diff --git a/lib/generator.js b/lib/generator.js
index 91539af..97ab1b9 100644
--- a/lib/generator.js
+++ b/lib/generator.js
@@ -10,7 +10,8 @@ const {
   _name, _vid, _string, _upperFirst, _type, _escape,
   _subModelName, _camelCase, _snakeCase, _getImport,
   _isBinaryOp, _adaptedQuotes, CORE, REQUEST, RESPONSE,
-  _avoidKeywords, _removeFilesInDirectory
+  _avoidKeywords, _removeFilesInDirectory, _sortImports,
+  _importsToString,
 } = require('./helper');
 const getBuiltin = require('./builtin');
 const { Tag } = require('@darabonba/parser/lib/tag');
@@ -68,7 +69,7 @@ class Visitor {
         recursive: true
       });
     }
-    this.package = {};
+    this.package = this.config.packageInfo || {};
     this.initSetupPy();
   }
 
@@ -76,18 +77,18 @@ class Visitor {
     // 初始化包信息
     this.package.name = this.package.name || this.config.package;
     this.package.version = this.package.version || '1.0.0';
-    this.package.description = this.package.description || '';
+    this.package.description = this.package.desc || '';
     this.package.author = this.package.author || 'Alibaba';
-    this.package.author_email = this.package.author_email || 'sdk-team@alibabacloud.com';
-    this.package.url = this.package.url || 'https://github.com/';
+    this.package.author_email = this.package.email || 'sdk-team@alibabacloud.com';
+    this.package.url = this.package.github || 'https://github.com/';
     this.package.license = this.package.license || 'Apache License 2.0';
-    this.package.requires = this.package.requires || [];
-  
+    this.package.requires = this.package.require || [];
+
     // 收集依赖信息
     if (!this.package.dependencies) {
       this.package.dependencies = {};
     }
-  
+
     Object.keys(this.typedef).forEach(type => {
       if (this.typedef[type].package) {
         let [pkgName, version] = this.typedef[type].package.split(':');
@@ -96,7 +97,8 @@ class Visitor {
         }
       }
     });
-  
+    const date = new Date();
+
     // 创建 setup.py 内容
     const setupPyContent = `
 # -*- coding: utf-8 -*-
@@ -123,14 +125,14 @@ import os
 from setuptools import setup, find_packages
 
 """
-setup module for tea_python_tests.
+setup module for ${this.package.name}.
 
-Created on *
+Created on ${('0' + date.getDate()).slice(-2) + '/' + ('0' + (date.getMonth() + 1)).slice(-2) + '/' + date.getFullYear()}
 
-@author: Alibaba
+@author: ${this.package.author}
 """
 
-PACKAGE = "${this.package.name}"
+PACKAGE = "${this.config.package}"
 NAME = "${this.package.name}"
 DESCRIPTION = "${this.package.description}"
 AUTHOR = "${this.package.author}"
@@ -138,13 +140,13 @@ AUTHOR_EMAIL = "${this.package.author_email}"
 URL = "${this.package.url}"
 VERSION = __import__(PACKAGE).__version__
 REQUIRES = [
-    "darabonba-core>=1.0.0, <2.0.0",
+    "darabonba-core>=1.0.0, <2.0.0"${this.package.requires.length > 0 || Object.keys(this.package.dependencies).length > 0 ? ',' : ''}
 ${Object.keys(this.package.dependencies).map(pkg => {
-    if(this.package.dependencies[pkg].includes('rc')) {
+    if (this.package.dependencies[pkg].includes('rc')) {
       return `    "${pkg}==${this.package.dependencies[pkg]}"`;
     }
     return `    "${pkg}>=${this.package.dependencies[pkg]}, <${+this.package.dependencies[pkg].split('.')[0] + 1}.0.0"`;
-  }).join(',\n')}
+  }).join(',\n')}${this.package.requires.length > 0 ? ',\n    "' + this.package.requires.join('",\n    "') + '"' : ''}
 ]
 
 LONG_DESCRIPTION = ''
@@ -162,34 +164,36 @@ setup(
     author_email=AUTHOR_EMAIL,
     license="Apache License 2.0",
     url=URL,
-    keywords=["tea","python","tests"],
+    keywords=${JSON.stringify(this.package.name ? this.package.name.split(/_|-/) : [])},
     packages=find_packages(exclude=["tests*"]),
     include_package_data=True,
     platforms="any",
     install_requires=REQUIRES,
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     classifiers=(
         "Development Status :: 4 - Beta",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Software Development"
     )
 )
     `.trim();
-  
+
     // 将内容写入 setup.py 文件
     const setupPath = path.join(this.outputDir, 'setup.py');
     fs.writeFileSync(setupPath, setupPyContent);
   }
-  
-  
-  
+
+
+
 
   saveInnerModule(ast) {
     const keys = ast.innerModule.keys();
@@ -213,7 +217,7 @@ setup(
 
   save(filepath) {
     let targetPath = filepath;
-    if(path.resolve(filepath).startsWith(path.resolve(this.outputDir))) {
+    if (path.resolve(filepath).startsWith(path.resolve(this.outputDir))) {
       const baseDir = path.join(this.outputDir, path.sep);
       filepath = filepath.replace(baseDir, '');
     }
@@ -238,18 +242,18 @@ setup(
   }
 
   overwrite(ast, filepath) {
-    if(!ast.moduleBody.nodes || !ast.moduleBody.nodes.length) {
+    if (!ast.moduleBody.nodes || !ast.moduleBody.nodes.length) {
       return;
     }
     const beginNotes = DSL.note.getNotes(this.notes, 0, ast.moduleBody.nodes[0].tokenRange[0]);
     const overwirte = beginNotes.find(note => note.note.lexeme === '@overwrite');
     let targetPath = filepath;
-    if(path.resolve(filepath).startsWith(path.resolve(this.outputDir))) {
+    if (path.resolve(filepath).startsWith(path.resolve(this.outputDir))) {
       const baseDir = path.join(this.outputDir, path.sep);
       filepath = filepath.replace(baseDir, '');
     }
     targetPath = path.join(this.outputDir, filepath);
-    if(overwirte && overwirte.arg.value === false && fs.existsSync(targetPath)) {
+    if (overwirte && overwirte.arg.value === false && fs.existsSync(targetPath)) {
       return false;
     }
     return true;
@@ -257,7 +261,7 @@ setup(
 
   modelBefore() {
     // clear model.py
-    if(fs.existsSync(this.modelPath + '.py')) {
+    if (fs.existsSync(this.modelPath + '.py')) {
       fs.unlinkSync(this.modelPath + '.py');
     }
     _removeFilesInDirectory(this.modelPath);
@@ -266,8 +270,8 @@ setup(
 
   visitModuleInit() {
     const initFile = path.join(this.outputDir, this.config.package, '__init__.py');
-    if(!fs.existsSync(initFile)) {
-      if(!fs.existsSync(path.dirname(initFile))) {
+    if (!fs.existsSync(initFile)) {
+      if (!fs.existsSync(path.dirname(initFile))) {
         fs.mkdirSync(path.dirname(initFile), {
           recursive: true
         });
@@ -293,11 +297,11 @@ setup(
     this.fileBuffer = {};
     this.usedTypes = [];
     this.imports = [];
-    if(this.overwrite(ast, filepath) === false) {
+    if (this.overwrite(ast, filepath) === false) {
       return;
     }
 
-    if(!this.className) {
+    if (!this.className) {
       let clientName = this.config.clientName.replace(/(?:^|_)([a-z])/g, (_, c) => (c ? c.toUpperCase() : ''));
       this.className = clientName;
     }
@@ -335,7 +339,7 @@ setup(
       return item.type === 'exception';
     });
 
-    
+
     if (exceptions.length > 0) {
       for (let i = 0; i < exceptions.length; i++) {
         this.eachException(exceptions[i], level);
@@ -350,7 +354,7 @@ setup(
 
     this.visitAnnotation(ast.annotation, level);
 
-   
+
 
     // models definition
     this.apiBefore(level);
@@ -380,7 +384,7 @@ setup(
       this.emit(`    def __init__(self):
         pass\n`);
     }
-    
+
     const apis = ast.moduleBody.nodes.filter((item) => {
       return item.type === 'api';
     });
@@ -558,7 +562,7 @@ setup(
       this.visitType(item.value);
       this.emit(' = None\n', level);
     });
-    if(ast.params.params.length !== 0) {
+    if (ast.params.params.length !== 0) {
       this.emit('\n');
       this.emit('def __init__(\n', level + 2);
       this.emit('self,\n', level + 4);
@@ -577,7 +581,7 @@ setup(
     } else {
       this.emit('def __init__(self):\n', level + 2);
     }
-    if (ast.initBody && ast.initBody.stmts.length !==0 ) {
+    if (ast.initBody && ast.initBody.stmts.length !== 0) {
       this.isStaticFunction = false;
       this.visitStmts(ast.initBody, level + 4);
       this.isStaticFunction = true;
@@ -609,7 +613,7 @@ setup(
             pyPath = pyPath.split('/').map(dir => _snakeCase(dir)).join(path.sep);
             pyPath = `${pyPath}`;
           }
-          
+
           const classNamespace = this.getClassNamespace(pyPath);
           const className = this.getInnerClient(aliasId, pyPath);
           const aliasName = this.getAliasName(className, aliasId);
@@ -628,7 +632,7 @@ setup(
         }
         let targetPath = '';
         if (moduleDir.startsWith('./') || moduleDir.startsWith('../')) {
-          targetPath = path.join( this.config.pkgDir, moduleDir);
+          targetPath = path.join(this.config.pkgDir, moduleDir);
         } else if (moduleDir.startsWith('/')) {
           targetPath = moduleDir;
         } else {
@@ -646,7 +650,7 @@ setup(
         let classNamespace = pyPkg.package;
         let models = 'models';
         let exceptions = 'exceptions';
-        if(inner && pkg.exports[inner]) {
+        if (inner && pkg.exports[inner]) {
           let pyPath = pkg.exports[inner];
           filename = pyPath.split(path.sep).slice(-1)[0].replace(/(\.tea)$|(\.spec)$|(\.dara)$/gi, '');
           models = filename + '_models';
@@ -669,7 +673,7 @@ setup(
         };
         // 这部分处理setup.py
         if (pkg.releases && pkg.releases.python) {
-          const REQUIRE = pkg.releases.python ;
+          const REQUIRE = pkg.releases.python;
           const [pkgName, version] = REQUIRE.split(':');
           this.package.dependencies[pkgName] = `${version}`;
         }
@@ -699,7 +703,7 @@ setup(
             className: this.moduleTypedef[aliasId][type].type,
           });
         }
-        
+
         return this.getTypedefType(this.moduleTypedef[aliasId][type].type);
       }
     }
@@ -719,19 +723,19 @@ setup(
   }
 
   getTypedefType(type) {
-    if(/\bDict\b/.test(type)) {
+    if (/\bDict\b/.test(type)) {
       this.usedTypes.push('Dict');
     }
 
-    if(/\bList\b/.test(type)) {
+    if (/\bList\b/.test(type)) {
       this.usedTypes.push('List');
     }
 
-    if(/\bAny\b/.test(type)) {
+    if (/\bAny\b/.test(type)) {
       this.usedTypes.push('Any');
     }
 
-    if(/\bBinaryIO\b/.test(type)) {
+    if (/\bBinaryIO\b/.test(type)) {
       this.usedTypes.push('BinaryIO');
     }
 
@@ -746,7 +750,7 @@ setup(
       return;
     }
     this.emit('(\n');
-    if (instanceFunc){
+    if (instanceFunc) {
       this.emit('self,\n', level);
     }
     for (var i = 0; i < ast.params.length; i++) {
@@ -761,7 +765,7 @@ setup(
       }
     }
     this.emit('\n');
-    this.emit(')',level - 2);
+    this.emit(')', level - 2);
   }
 
   visitType(ast, level) {
@@ -829,17 +833,17 @@ setup(
       this.emit(typeName);
     }
   }
-  
+
   visitTypeWithNone(ast, level) {
     this.visitType(ast, level);
     this.emit(' = None');
   }
-  
+
 
   visitReturnType(ast, level) {
     this.emit(' -> ');
-    if(this.isIterator(ast.returnType)) {
-      if(this.isAsyncFunction) {
+    if (this.isIterator(ast.returnType)) {
+      if (this.isAsyncFunction) {
         this.usedTypes.push('AsyncGenerator');
         this.emit('AsyncGenerator[');
       } else {
@@ -847,7 +851,7 @@ setup(
         this.emit('Generator[');
       }
     }
-    
+
     this.visitType(ast.returnType, level);
     if (this.isIterator(ast.returnType)) {
       this.emit(', None, None]');
@@ -864,16 +868,16 @@ setup(
   visitRuntimeBefore(ast, level) {
     assert.equal(ast.type, 'object');
     this.emit('_runtime = {\n', level + 2);
-    if(ast.fields.length !== 0){
+    if (ast.fields.length !== 0) {
       ast.fields.forEach((field) => {
         this.emit(`'${field.fieldName.lexeme}': `, level + 4);
         this.visitExpr(field.expr);
         this.emit(',\n');
       });
     }
-    this.emit('}\n', level +2);
-    this.emit('_last_request = None\n', level+2);
-    this.emit('_last_response = None\n', level+2);
+    this.emit('}\n', level + 2);
+    this.emit('_last_request = None\n', level + 2);
+    this.emit('_last_response = None\n', level + 2);
     this.emit('_retries_attempted = 0\n', level + 2);
     this.emit(`_context = RetryPolicyContext(
             retries_attempted= _retries_attempted
@@ -956,16 +960,16 @@ setup(
       if (externEx && externEx.has(modelName)) {
         type = 'exception';
       }
-      
+
       this.emit(this.getModelName(modelName, _name(moduleId)), type);
-      
+
     } else if (value.type === 'subModel') {
       const [moduleId, ...rest] = value.path;
       const modelName = _subModelName([moduleId.lexeme, ...rest.map((item) => {
         return item.lexeme;
       })].join('.'));
       this.emit(this.getModelName(modelName));
-    } else if (typeof value.fieldType === 'string'){
+    } else if (typeof value.fieldType === 'string') {
       const type = _type(value.fieldType);
       this.pushImports(type);
       this.emit(type);
@@ -978,7 +982,7 @@ setup(
         type = 'exception';
       }
       this.emit(this.getModelName(modelName, _name(moduleId), type));
-      
+
     } else if (value.fieldType.type === 'moduleTypedef') {
       const [moduleId, ...rest] = value.fieldType.path;
       const type = rest.map((item) => { return item.lexeme; }).join('.');
@@ -1015,7 +1019,7 @@ setup(
     assert.equal(ast.type, 'modelBody');
     this.visitFieldsInit(ast, level, modelName);
     let node;
-    
+
     for (let i = 0; i < ast.nodes.length; i++) {
       node = ast.nodes[i];
       let comments = DSL.comment.getFrontComments(this.comments, node.tokenRange[0]);
@@ -1033,7 +1037,7 @@ setup(
     this.emit('\n');
     // validate
     this.emit('def validate(self):\n', level);
-    if(ast.nodes.length > 0) {
+    if (ast.nodes.length > 0) {
       this.visitModelValidate(ast, level);
     } else {
       this.emit('pass\n', level + 2);
@@ -1047,7 +1051,7 @@ setup(
 
     // from_map
     this.visitFromMap(ast, modelName, level);
-    
+
     if (node) {
       //find the last node's back comment
       let comments = DSL.comment.getBetweenComments(this.comments, node.tokenRange[0], ast.tokenRange[1]);
@@ -1064,11 +1068,11 @@ setup(
 
   visitFieldValidate(fieldValue, fieldName, value, level) {
     const deep = Math.floor(level / 4);
-    if (fieldValue.type === 'modelBody' || fieldValue.type === 'moduleModel' || 
-    fieldValue.type === 'subModel' || fieldValue.idType === 'model' || 
-    (fieldValue.fieldType && (fieldValue.fieldType.type === 'moduleModel' || 
-    fieldValue.fieldType.idType === 'model' || fieldValue.fieldType.idType === 'builtin_model'))) {
-      if(deep > 1) {
+    if (fieldValue.type === 'modelBody' || fieldValue.type === 'moduleModel' ||
+      fieldValue.type === 'subModel' || fieldValue.idType === 'model' ||
+      (fieldValue.fieldType && (fieldValue.fieldType.type === 'moduleModel' ||
+        fieldValue.fieldType.idType === 'model' || fieldValue.fieldType.idType === 'builtin_model'))) {
+      if (deep > 1) {
         this.emit(` if ${value}:\n`, level);
       }
       this.emit(`${value}.validate()\n`, level + 2);
@@ -1079,7 +1083,7 @@ setup(
       this.emit(`for v${deep} in self.${fieldName}.values():\n`, level);
       this.visitFieldValidate(fieldValue.valueType, fieldName, `v${deep}`, level + 2);
     } else {
-      if(deep > 1) {
+      if (deep > 1) {
         this.emit(` if ${value}:\n`, level);
       }
       this.emit(`${value}.validate()\n`, level + 2);
@@ -1101,95 +1105,95 @@ setup(
       // 这里判断类中属性是否是必填
       if (node.required) {
         notPass = true;
-        this.emit(`self.validate_required(self.${param}, '${param}')\n`, level + 2);   
+        this.emit(`self.validate_required(self.${param}, '${param}')\n`, level + 2);
       }
       // 这里判断类中属性的结构
-      if(node.fieldValue.fieldType === 'array' || node.fieldValue.fieldType === 'map' || 
+      if (node.fieldValue.fieldType === 'array' || node.fieldValue.fieldType === 'map' ||
         node.fieldValue.type === 'array' || node.fieldValue.type === 'map'
       ) {
         // 下面不包含model的就不需要validate
-        if(!this.checkFieldHasModel(node.fieldValue)){
+        if (!this.checkFieldHasModel(node.fieldValue)) {
           continue;
         }
         notPass = true;
         this.emit(`if self.${param}:\n`, level + 2);
         this.visitFieldValidate(node.fieldValue, param, `self.${param}`, level + 4);
-      } else if(node.fieldValue.fieldType && node.fieldValue.fieldType.idType === 'model' || node.fieldValue.type === 'modelBody'){
+      } else if (node.fieldValue.fieldType && node.fieldValue.fieldType.idType === 'model' || node.fieldValue.type === 'modelBody') {
         notPass = true;
         this.emit(`if self.${param}:\n`, level + 2);
         this.emit(`self.${param}.validate()\n`, level + 4);
-      } else if(pattern !== ''){
+      } else if (pattern !== '') {
         notPass = true;
         this.emit(`if self.${param} is not None:\n`, level + 2);
         this.emit(`self.validate_pattern(self.${param}, '${param}', '${pattern}')\n`, level + 4);
-      } else if(maxLength > 0 && maxLength <= 2147483647){
+      } else if (maxLength > 0 && maxLength <= 2147483647) {
         notPass = true;
         this.emit(`if self.${param} is not None:\n`, level + 2);
         this.emit(`self.validate_max_length(self.${param}, '${param}', ${maxLength})\n`, level + 4);
-      } else if(minLength > 0 && minLength <= 2147483647){
+      } else if (minLength > 0 && minLength <= 2147483647) {
         notPass = true;
         this.emit(`if self.${param} is not None:\n`, level + 2);
         this.emit(`self.validate_min_length(self.${param}, '${param}', ${minLength})\n`, level + 4);
-      } else if(maximum > 0 && maximum <= Number.MAX_SAFE_INTEGER){
+      } else if (maximum > 0 && maximum <= Number.MAX_SAFE_INTEGER) {
         notPass = true;
         this.emit(`if self.${param} is not None:\n`, level + 2);
         this.emit(`self.validate_maximum(self.${param}, '${param}', ${maximum})\n`, level + 4);
-      } else if(minimum > 0 && minimum <= Number.MAX_SAFE_INTEGER){
+      } else if (minimum > 0 && minimum <= Number.MAX_SAFE_INTEGER) {
         notPass = true;
         this.emit(`if self.${param} is not None:\n`, level + 2);
         this.emit(`self.validate_minimum(self.${param}, '${param}', ${minimum})\n`, level + 4);
       }
     }
 
-    if(!notPass) {
+    if (!notPass) {
       this.emit('pass\n', level + 2);
     }
   }
 
   visitToMapField(fieldValue, fieldName, key, value, level, arr = false) {
     const deep = Math.floor((level - 4) / 2);
-    if (fieldValue.type === 'modelBody' || fieldValue.type === 'moduleModel' || 
-    fieldValue.type === 'subModel' || fieldValue.idType === 'model' || 
-    (fieldValue.fieldType && (fieldValue.fieldType.type === 'moduleModel' || 
-    fieldValue.fieldType.idType === 'model' || fieldValue.fieldType.idType === 'builtin_model'))) {
+    if (fieldValue.type === 'modelBody' || fieldValue.type === 'moduleModel' ||
+      fieldValue.type === 'subModel' || fieldValue.idType === 'model' ||
+      (fieldValue.fieldType && (fieldValue.fieldType.type === 'moduleModel' ||
+        fieldValue.fieldType.idType === 'model' || fieldValue.fieldType.idType === 'builtin_model'))) {
       let realVal = `${value}.to_map()`;
-      if(deep > 1) {
+      if (deep > 1) {
         realVal += ` if ${value} else None`;
       }
       this.emitFieldConvert(key, realVal, level, arr);
     } else if (fieldValue.type === 'array' || fieldValue.fieldType === 'array') {
-      let subKey  = key;
-      if(deep > 1) {
+      let subKey = key;
+      if (deep > 1) {
         subKey = `l${deep - 1}`;
         this.emit(`${subKey} = []\n`, level);
       }
       this.emit(`for k${deep} in ${value}:\n`, level);
       this.visitToMapField(fieldValue.fieldItemType || fieldValue.subType, fieldName, `${subKey}`, `k${deep}`, level + 2, true);
-      if(deep > 1) {
+      if (deep > 1) {
         this.emitFieldConvert(key, subKey, level, arr);
       }
     } else if (fieldValue.fieldType === 'map' || fieldValue.type === 'map') {
-      let subKey  = key;
-      if(deep > 1) {
+      let subKey = key;
+      if (deep > 1) {
         subKey = `d${deep - 1}`;
         this.emit(`${subKey} = {}\n`, level);
       }
       this.emit(`for k${deep}, v${deep} in self.${fieldName}.items():\n`, level);
       this.visitToMapField(fieldValue.valueType, fieldName, `${subKey}[k${deep}]`, `v${deep}`, level + 2);
-      if(deep > 1) {
+      if (deep > 1) {
         this.emitFieldConvert(key, subKey, level, arr);
       }
     } else {
       this.emitFieldConvert(key, value, level, arr);
     }
-    
+
   }
 
   visitToMap(ast, level) {
     this.emit('def to_map(self):\n', level);
-    this.emit('result = dict()\n' , level + 2);
-    this.emit('_map = super().to_map()\n' , level + 2);
-    this.emit('if _map is not None:\n' , level + 2);
+    this.emit('result = dict()\n', level + 2);
+    this.emit('_map = super().to_map()\n', level + 2);
+    this.emit('if _map is not None:\n', level + 2);
     this.emit('result = _map\n', level + 4);
     for (let i = 0; i < ast.nodes.length; i++) {
       const node = ast.nodes[i];
@@ -1199,7 +1203,7 @@ setup(
       let param = _avoidKeywords(_snakeCase(_escape(_name(node.fieldName))));
       const hasModel = this.checkFieldHasModel(node.fieldValue);
       let arr = false;
-      if(hasModel && !this.config.noneEmpty) {
+      if (hasModel && !this.config.noneEmpty) {
         if (node.fieldValue.type === 'array' || node.fieldValue.fieldType === 'array') {
           this.emit(`result['${realName}'] = []\n`, level + 2);
           arr = true;
@@ -1208,10 +1212,10 @@ setup(
         }
       }
       this.emit(`if self.${param} is not None:\n`, level + 2);
-      if(!hasModel) {
+      if (!hasModel) {
         this.emit(`result['${realName}'] = self.${param}\n`, level + 4);
       } else {
-        if(this.config.noneEmpty) {
+        if (this.config.noneEmpty) {
           if (node.fieldValue.type === 'array' || node.fieldValue.fieldType === 'array') {
             this.emit(`result['${realName}'] = []\n`, level + 4);
             arr = true;
@@ -1228,7 +1232,7 @@ setup(
   }
 
   emitFieldConvert(key, value, level, arr) {
-    if(arr) {
+    if (arr) {
       this.emit(`${key}.append(${value})\n`, level);
       return;
     }
@@ -1243,28 +1247,28 @@ setup(
       this.emitFieldConvert(key, `temp_model.from_map(${value})`, level, arr);
     } else if (fieldValue.type === 'array' || fieldValue.fieldType === 'array') {
       let subKey = key;
-      if(deep > 1) {
+      if (deep > 1) {
         subKey = `l${deep - 1}`;
         this.emit(`${subKey} = []\n`, level);
       }
       this.emit(`for k${deep} in ${value}:\n`, level);
       this.visitFromField(fieldValue.fieldItemType || fieldValue.subType, fieldName, `${subKey}`, `k${deep}`, level + 2, true);
-      if(deep > 1) {
+      if (deep > 1) {
         this.emitFieldConvert(key, subKey, level, arr);
       }
     } else if (fieldValue.fieldType === 'map' || fieldValue.type === 'map') {
       let subKey = key;
-      if(deep > 1) {
+      if (deep > 1) {
         subKey = `d${deep - 1}`;
         this.emit(`${subKey} = {}\n`, level);
       }
       this.emit(`for k${deep}, v${deep} in ${value}.items():\n`, level);
       this.visitFromField(fieldValue.valueType, fieldName, `${subKey}[k${deep}]`, `v${deep}`, level + 2);
-      if(deep > 1) {
+      if (deep > 1) {
         this.emitFieldConvert(key, subKey, level, arr);
       }
-    } else if (fieldValue.type === 'moduleModel' || 
-    (fieldValue.fieldType && fieldValue.fieldType.type === 'moduleModel')) {
+    } else if (fieldValue.type === 'moduleModel' ||
+      (fieldValue.fieldType && fieldValue.fieldType.type === 'moduleModel')) {
       const [moduleId, ...rest] = fieldValue.path || fieldValue.fieldType.path;
       const modelName = _subModelName(rest.map((item) => {
         return item.lexeme;
@@ -1294,7 +1298,7 @@ setup(
     } else {
       this.emitFieldConvert(key, value, level, arr);
     }
-    
+
   }
 
   visitFromMap(ast, modelName, level) {
@@ -1309,7 +1313,7 @@ setup(
       let param = _avoidKeywords(_snakeCase(_escape(_name(node.fieldName))));
       const hasModel = this.checkFieldHasModel(node.fieldValue);
       let arr = false;
-      if(hasModel && !this.config.noneEmpty) {
+      if (hasModel && !this.config.noneEmpty) {
         if (node.fieldValue.type === 'array' || node.fieldValue.fieldType === 'array') {
           this.emit(`self.${param} = []\n`, level + 2);
           arr = true;
@@ -1319,10 +1323,10 @@ setup(
         }
       }
       this.emit(`if m.get('${realName}') is not None:\n`, level + 2);
-      if(!hasModel) {
+      if (!hasModel) {
         this.emit(`self.${param} = m.get('${realName}')\n`, level + 4);
       } else {
-        if(this.config.noneEmpty) {
+        if (this.config.noneEmpty) {
           if (node.fieldValue.type === 'array' || node.fieldValue.fieldType === 'array') {
             this.emit(`self.${param} = []\n`, level + 4);
             arr = true;
@@ -1339,21 +1343,21 @@ setup(
     this.emit('\n');
   }
 
-  getAttributes(ast, name){
+  getAttributes(ast, name) {
     const attr = ast.attrs.find((item) => {
       return item.attrName.lexeme === name;
     });
-    if(!attr) {
+    if (!attr) {
       return;
     }
     return attr.attrValue.string || attr.attrValue.lexeme || attr.attrValue.value;
   }
 
-  extendBaseErr(extendOn){
+  extendBaseErr(extendOn) {
     if (!extendOn) {
       return true;
     }
-    if(_name(extendOn) === '$Error') {
+    if (_name(extendOn) === '$Error') {
       return true;
     }
 
@@ -1366,21 +1370,21 @@ setup(
       return type === 'model' ? this.emit(`(${CORE}Model)`) : this.emit(`(${CORE}Exception)`);
     }
 
-    switch(_name(extendOn)) {
-    case '$Error': 
+    switch (_name(extendOn)) {
+    case '$Error':
       this.pushImports(`${CORE}Exception`);
       this.emit(`(${CORE}Exception)`);
       return;
-    case '$ResponseError': 
+    case '$ResponseError':
       this.pushImports('ResponseException');
       this.emit('(ResponseException)');
       return;
-    case '$Model': 
+    case '$Model':
       this.pushImports(`${CORE}Model`);
       this.emit(`(${CORE}Model)`);
       return;
     }
-    
+
     let needBaseException = false;
 
     if (extendOn.type === 'moduleModel') {
@@ -1406,7 +1410,7 @@ setup(
       this.emit('(');
       this.emit(this.getModelName(_upperFirst(_name(extendOn)), extendOn.moduleName, type));
     }
-    if(needBaseException) {
+    if (needBaseException) {
       this.emit(`, ${CORE}Exception`);
     }
     this.emit(')');
@@ -1420,11 +1424,11 @@ setup(
       fileds.push(fieldName);
     }
     const extendFileds = [];
-    for (let i = 0; i < ast.extendFileds.length; i++) { 
+    for (let i = 0; i < ast.extendFileds.length; i++) {
       const node = ast.extendFileds[i];
       node.extend = true;
       const fieldName = _name(node.fieldName);
-      if(fileds.includes(fieldName)) {
+      if (fileds.includes(fieldName)) {
         continue;
       }
       extendFileds.push(node);
@@ -1446,7 +1450,7 @@ setup(
   }
 
   saveBuffer(filepath) {
-    if(this.fileBuffer[filepath]) {
+    if (this.fileBuffer[filepath]) {
       this.fileBuffer[filepath].imports = this.imports.concat(this.fileBuffer[filepath].imports);
       this.fileBuffer[filepath].usedTypes = this.usedTypes.concat(this.fileBuffer[filepath].usedTypes);
       this.fileBuffer[filepath].output = this.output + this.fileBuffer[filepath].output;
@@ -1498,39 +1502,39 @@ setup(
       modelNames.push(modelName);
       this.emit(`from ._${_snakeCase(mainModelName)} import ${modelName}\n`);
     }
-    
+
     this.emit('\n__all__ = [\n');
     this.emit(modelNames.join(',\n    '), 2);
-    if(moreExports && moreExports.length > 0) {
+    if (moreExports && moreExports.length > 0) {
       this.emit((',\n'));
       this.emit(moreExports.join(',\n    '), 2);
     }
-    
+
     this.emit('\n]\n');
 
     this.save(path.join(this.modelPath, '__init__.py'));
     this.moreExports = [];
   }
 
-  visitFieldsInit(ast, level, modelName, type = 'model', baseErr = false){ 
+  visitFieldsInit(ast, level, modelName, type = 'model', baseErr = false) {
     let node;
     this.emit('    def __init__(');
     const paramNodes = this.dealExtendFileds(ast);
-    if (!paramNodes.length)  {
+    if (!paramNodes.length) {
       this.emit('self):\n');
       this.emit('pass', level + 2);
       return;
     }
     this.emit('\n');
-    this.emit(`self,${ this.config.strictModel ? ' *,' : '' }\n`, level + 2);
+    this.emit(`self,${this.config.strictModel ? ' *,' : ''}\n`, level + 2);
     for (let i = 0; i < paramNodes.length; i++) {
       node = paramNodes[i];
-      if(!node.extend) {
+      if (!node.extend) {
         let comments = DSL.comment.getFrontComments(this.comments, node.tokenRange[0]);
         this.visitComments(comments, level);
       }
       let param = _avoidKeywords(_snakeCase(_escape(_name(node.fieldName))));
-      if(param === 'name' && type === 'exception') {
+      if (param === 'name' && type === 'exception') {
         continue;
       }
       this.emit(`${param}: `, level + 2);
@@ -1538,16 +1542,16 @@ setup(
       this.emit(' = None,\n');
     }
     this.emit('):\n', level);
-    
-    if(ast.extendFileds && ast.extendFileds.length > 0) {
+
+    if (ast.extendFileds && ast.extendFileds.length > 0) {
       this.emit('super().__init__(', level + 2);
-      if(baseErr) {
+      if (baseErr) {
         this.emit('{\n');
         for (let i = 0; i < ast.extendFileds.length; i++) {
           node = ast.extendFileds[i];
           let value = _snakeCase(_escape(_name(node.fieldName)));
           let key = _avoidKeywords(_escape(_name(node.fieldName)));
-          if(key === 'name' && type === 'exception') {
+          if (key === 'name' && type === 'exception') {
             continue;
           }
           this.emit(`'${key}': ${value},\n`, level + 4);
@@ -1558,7 +1562,7 @@ setup(
         for (let i = 0; i < ast.extendFileds.length; i++) {
           node = ast.extendFileds[i];
           let param = _avoidKeywords(_snakeCase(_escape(_name(node.fieldName))));
-          if(param === 'name' && type === 'exception') {
+          if (param === 'name' && type === 'exception') {
             continue;
           }
           this.emit(`${param} = ${param},\n`, level + 4);
@@ -1572,14 +1576,14 @@ setup(
     assert.equal(ast.type, 'exceptionBody');
     this.visitFieldsInit(ast, level, exceptionName, 'exception', this.extendBaseErr(extendOn));
     let node;
-    
+
     this.emit(`self.name = '${exceptionName}Exception'\n`, level + 2);
     for (let i = 0; i < ast.nodes.length; i++) {
       node = ast.nodes[i];
       let comments = DSL.comment.getFrontComments(this.comments, node.tokenRange[0]);
       this.visitComments(comments, level);
       let param = _avoidKeywords(_snakeCase(_escape(_name(node.fieldName))));
-      if(param === 'name') {
+      if (param === 'name') {
         continue;
       }
       this.emit(`self.${param} = ${param}\n`, level + 2);
@@ -1626,7 +1630,7 @@ setup(
       exceptionNames.push(exceptionName);
       this.emit(`from ._${_snakeCase(exceptionName)} import ${exceptionName}Exception\n`);
     }
-    
+
     this.emit('\n__all__ = [\n');
     this.emit(exceptionNames.join('Exception,\n    '), 2);
     this.emit('Exception\n]\n');
@@ -1658,7 +1662,7 @@ setup(
       } else {
         this.emit('\n');
       }
-    } else if (ast.type !== 'expandField'){
+    } else if (ast.type !== 'expandField') {
       throw new Error('unimpelemented');
     }
   }
@@ -1676,7 +1680,7 @@ setup(
       } else {
         this.emit('\n');
       }
-    } else if (ast.type !== 'expandField'){
+    } else if (ast.type !== 'expandField') {
       throw new Error('unimpelemented');
     }
   }
@@ -1700,10 +1704,10 @@ setup(
         }
         expandFields.push(ast.fields[i]);
       }
-      if (expandFields.length !== 0){
+      if (expandFields.length !== 0) {
         this.pushImports(`${CORE}Core`);
         this.emit(`${CORE}Core.merge({`);
-        if(ast.fields.length !== expandFields.length) {
+        if (ast.fields.length !== expandFields.length) {
           this.emit('\n');
         }
       } else {
@@ -1714,7 +1718,7 @@ setup(
       }
 
       if (expandFields.length !== 0) {
-        if(ast.fields.length !== expandFields.length) {
+        if (ast.fields.length !== expandFields.length) {
           this.emit('', level);
         }
         this.emit('}, ');
@@ -1727,7 +1731,7 @@ setup(
       } else {
         this.emit('}', level);
       }
-      
+
       let comments = DSL.comment.getBetweenComments(this.comments, ast.fields[i - 1].tokenRange[0], ast.tokenRange[1]);
       this.visitComments(comments, level + 1);
     }
@@ -1741,13 +1745,13 @@ setup(
       const method = name.replace('$', '');
       this.builtin[name][method](ast, level, ast.isAsync && this.isAsyncFunction);
       return;
-    } else if(this.isStaticFunction === false && this.isAsyncFunction && ast.isAsync){
+    } else if (this.isStaticFunction === false && this.isAsyncFunction && ast.isAsync) {
       this.emit(`await self.${functionName}_async`);
-    } else if(this.isStaticFunction === false) {
+    } else if (this.isStaticFunction === false) {
       this.emit(`self.${functionName}`);
-    } else if(ast.isAsync && this.isAsyncFunction) {
+    } else if (ast.isAsync && this.isAsyncFunction) {
       this.emit(`await ${this.className}.${functionName}_async`);
-    } else  {
+    } else {
       const functionName = _snakeCase(name);
       this.emit(`${this.className}.${functionName}`);
     }
@@ -1772,7 +1776,7 @@ setup(
         this.emit(aliasId);
       }
       this.emit(`.${(_avoidKeywords(_snakeCase(method)))}`);
-      if(async) {
+      if (async) {
         this.emit('_async');
       }
       this.visitArgs(ast.args, level);
@@ -1828,18 +1832,18 @@ setup(
   visitConstruct(ast, level) {
     assert.equal(ast.type, 'construct');
     const aliasId = _name(ast.aliasId);
-   
-    if(this.builtin[aliasId]) {
+
+    if (this.builtin[aliasId]) {
       const type = _type(aliasId);
       this.pushImports(type);
       this.emit(type);
     } else {
       this.emit(this.getModelName('', aliasId, 'module'));
     }
-    
+
     this.visitArgs(ast.args, level);
   }
-  
+
 
   visitSuper(ast, level) {
     assert.equal(ast.type, 'super');
@@ -1902,7 +1906,7 @@ setup(
     } else if (ast.type === 'object') {
       this.visitObject(ast, level);
     } else if (ast.type === 'variable') {
-      if(ast.inferred &&  ast.inferred.type === 'basic' && ast.inferred.name === 'class') {
+      if (ast.inferred && ast.inferred.type === 'basic' && ast.inferred.name === 'class') {
         this.emit(this.getModelName('', _name(ast.id), 'module'));
       } else {
         this.emit(_avoidKeywords(_snakeCase(_name(ast.id))));
@@ -1931,7 +1935,7 @@ setup(
         }
       }
       const quote = _adaptedQuotes(this.output);
-      this.output =  tmp + `f${quote}${this.output}${quote}`;
+      this.output = tmp + `f${quote}${this.output}${quote}`;
     } else if (ast.type === 'call') {
       // 调用函数
       this.visitCall(ast, level);
@@ -1957,7 +1961,7 @@ setup(
         this.emit(' * ');
       } else if (ast.type === 'and') {
         this.emit(' and ');
-      // eslint-disable-next-line no-dupe-else-if
+        // eslint-disable-next-line no-dupe-else-if
       } else if (ast.type === 'or') {
         this.emit(' or ');
       } else if (ast.type === 'lte') {
@@ -1975,7 +1979,7 @@ setup(
       }
       this.visitExpr(ast.right, level, env);
     } else if (ast.type === 'not') {
-      this.emit('not ',level);
+      this.emit('not ', level);
       this.visitExpr(ast.expr, level, env);
     } else if (ast.type === 'construct_model') {
       // 生成实例的初始化赋值
@@ -2014,7 +2018,7 @@ setup(
         return item.lexeme;
       })].join('.'));
 
-      if(mainModelName.startsWith('$') && _type(mainModelName)) {
+      if (mainModelName.startsWith('$') && _type(mainModelName)) {
         mainModelName = _type(mainModelName);
         this.pushImports(mainModelName);
         this.emit(mainModelName);
@@ -2035,7 +2039,7 @@ setup(
         this.visitModelField(ast.object.fields[i], level, i === ast.object.fields.length - 1);
       }
       this.emit(')', level);
-    } else{
+    } else {
       this.emit(')');
     }
 
@@ -2114,7 +2118,7 @@ setup(
       item = ast.items[i];
       let comments = DSL.comment.getFrontComments(this.comments, item.tokenRange[0]);
       this.visitComments(comments, level);
-      this.emit('', level +2);
+      this.emit('', level + 2);
       this.visitExpr(item, level + 2);
       if (i < ast.items.length - 1) {
         this.emit(',');
@@ -2137,7 +2141,7 @@ setup(
       return;
     }
     this.emit(' ');
-    
+
     if (ast.needCast) {
       this.emit(`${CORE}Core.from_map(\n`);
       this.emit('', level + 2);
@@ -2179,7 +2183,7 @@ setup(
       this.emit('\n');
       this.emit(')', level);
     }
-    
+
     this.emit('\n');
   }
 
@@ -2225,7 +2229,7 @@ setup(
     this.emit(':\n');
     this.visitStmts(ast.stmts, level + 2);
   }
-  
+
   visitFor(ast, level) {
     assert.equal(ast.type, 'for');
     // this.emit('\n');
@@ -2235,8 +2239,8 @@ setup(
       this.emit('for ', level);
     }
 
-    if (ast.list.inferred && ast.list.inferred.itemType 
-      && ast.list.inferred.itemType.type === 'entry'){
+    if (ast.list.inferred && ast.list.inferred.itemType
+      && ast.list.inferred.itemType.type === 'entry') {
       this.emit('k, v in ');
       this.visitExpr(ast.list, level);
     } else {
@@ -2253,11 +2257,11 @@ setup(
     this.visitExpr(ast.condition);
     this.emit(':\n');
     this.visitStmts(ast.stmts, level + 2);
-    
+
     if (ast.elseIfs) {
       for (let i = 0; i < ast.elseIfs.length; i++) {
         const branch = ast.elseIfs[i];
-        this.emit('elif ',level);
+        this.emit('elif ', level);
         this.visitExpr(branch.condition);
         this.emit(':\n');
         this.visitStmts(branch.stmts, level + 2);
@@ -2325,7 +2329,7 @@ setup(
   visitDeclare(ast, level) {
     var id = _avoidKeywords(_snakeCase(_name(ast.id)));
     this.emit(`${id}`, level);
-    if(id === 'new_full_str'){
+    if (id === 'new_full_str') {
       this.emit('');
     }
 
@@ -2356,7 +2360,7 @@ setup(
       //empty block's comment
       let comments = DSL.comment.getBetweenComments(this.comments, ast.tokenRange[0], ast.tokenRange[1]);
       this.visitComments(comments, level);
-      this.emit('pass\n',level);
+      this.emit('pass\n', level);
     }
   }
 
@@ -2396,7 +2400,7 @@ setup(
     } else {
       this.isStaticFunction = false;
     }
-    
+
     this.emit('', level);
 
     this.emit('def ');
@@ -2409,7 +2413,7 @@ setup(
     } else {
       this.visitParams(ast.params, level, true);
     }
-    
+
     // 返回值类型
     this.visitReturnType(ast);
     this.emit(':\n');
@@ -2448,7 +2452,7 @@ setup(
         this.visitFunctionBody(ast.functionBody, secondLevel);
       } else {
         let comments = DSL.comment.getFrontComments(this.comments, ast.tokenRange[0]);
-        this.visitComments(comments, level+2);
+        this.visitComments(comments, level + 2);
         this.emit('raise Exception(\'Un-implemented\')\n', level + 2);
       }
     }
@@ -2559,61 +2563,49 @@ setup(
       tempOutput += '# This file is auto-generated, don\'t edit it. Thanks.\n';
     }
 
-    tempOutput += 'from __future__ import annotations\n';
-
-    const imports = [];
-    this.imports.forEach(ele => {
-      let header = '';
-      if(ele.packageName) {
-        header += `from ${ele.packageName} `;
-      }
-
-      if(ele.className) {
-        header += `import ${ele.className} `;
-      }
-
-      if(ele.aliasName) {
-        header += `as ${ele.aliasName} `;
-      }
-      imports.push(header);
+    this.imports.push({
+      packageName: '__future__',
+      className: 'annotations',
     });
 
-    tempOutput += [...new Set(imports)].join('\n') + '\n';
-
     if (this.usedTypes.length > 0) {
-      tempOutput += 'from typing import ' 
-      + [...new Set(this.usedTypes)].join(', ');
-      tempOutput += '\n';
+      this.imports.push({
+        packageName: 'typing',
+        className: [...new Set(this.usedTypes)].join(', '),
+      });
     }
 
-    
+    const imports = _sortImports(this.imports);
+
+    tempOutput += _importsToString(imports);
+
     // 将临时输出插入到 this.output 的开头
     this.output = tempOutput + '\n\n' + this.output;
   }
 
   modelInitBefore(ast, level) {
     let beginToken = 0;
-    if(ast.imports.length > 0) {
+    if (ast.imports.length > 0) {
       const lastIndex = ast.imports.length - 1;
       beginToken = ast.imports[lastIndex].tokenRange[0];
     }
     let endToken = 0;
-    if(ast.moduleBody.nodes.length > 0) {
+    if (ast.moduleBody.nodes.length > 0) {
       endToken = ast.moduleBody.nodes[0].tokenRange[0];
     }
     const beginNotes = DSL.note.getNotes(this.notes, beginToken, endToken);
     const part = beginNotes.find(note => note.note.lexeme === '@pythonModel');
-    if(part && part.arg.value) {
+    if (part && part.arg.value) {
       this.emit(_string(part.arg.value));
     }
 
-    if(part && part.arg.type === 'object') {
+    if (part && part.arg.type === 'object') {
       part.arg.fields.map(field => {
-        if(_name(field.fieldName) === 'header') {
+        if (_name(field.fieldName) === 'header') {
           this.emit(_string(field.expr.value));
         }
 
-        if(_name(field.fieldName) === 'exports') {
+        if (_name(field.fieldName) === 'exports') {
           this.moreExports = field.expr.items.map(item => {
             return _string(item.value);
           });
@@ -2624,23 +2616,23 @@ setup(
 
   moduleBefore(ast, level) {
     let beginToken = 0;
-    if(ast.imports.length > 0) {
+    if (ast.imports.length > 0) {
       const lastIndex = ast.imports.length - 1;
       beginToken = ast.imports[lastIndex].tokenRange[0];
     }
-    let endToken = 0; 
-    if(ast.moduleBody.nodes.length > 0) {
+    let endToken = 0;
+    if (ast.moduleBody.nodes.length > 0) {
       endToken = ast.moduleBody.nodes[0].tokenRange[0];
     }
     const beginNotes = DSL.note.getNotes(this.notes, beginToken, endToken);
     const part = beginNotes.find(note => note.note.lexeme === '@python');
-    if(part && part.arg.value) {
+    if (part && part.arg.value) {
       this.emit(_string(part.arg.value));
     }
   }
 
   apiBefore(level) {
-    
+
     this.emit(`class ${this.className}`, level);
     if (this.parentModule) {
       const aliasId = _name(this.parentModule);
@@ -2657,8 +2649,8 @@ setup(
       return this.checkFieldHasModel(fieldValue.fieldItemType || fieldValue.subType);
     } else if (fieldValue.fieldType === 'map' || fieldValue.type === 'map') {
       return this.checkFieldHasModel(fieldValue.valueType);
-    } else if (fieldValue.type === 'moduleModel' || 
-    (fieldValue.fieldType && fieldValue.fieldType.type === 'moduleModel')) {
+    } else if (fieldValue.type === 'moduleModel' ||
+      (fieldValue.fieldType && fieldValue.fieldType.type === 'moduleModel')) {
       return true;
     } else if (fieldValue.type === 'subModel') {
       return true;
@@ -2681,15 +2673,15 @@ setup(
       } else if (obj.fieldItemType.fieldType === 'array') {
         // 如果 fieldItemType 仍然是数组
         return this.checkFieldItemTypeAllString(obj.fieldItemType);
-      } else if (obj.fieldItemType.valueType && obj.fieldItemType.valueType.lexeme === 'any'){
+      } else if (obj.fieldItemType.valueType && obj.fieldItemType.valueType.lexeme === 'any') {
         return true;
       }
     }
-    if (obj && obj.fieldType ==='map'){
+    if (obj && obj.fieldType === 'map') {
       return this.checkFieldItemTypeAllString(obj.valueType);
     }
-    if (obj && obj.subType){
-      if (obj.subType.type === 'map'){
+    if (obj && obj.subType) {
+      if (obj.subType.type === 'map') {
         return this.checkFieldItemTypeAllString(obj.subType);
       }
     }
@@ -2702,7 +2694,7 @@ setup(
   }
 
   getClassNamespace(pyPath) {
-    if(path.resolve(pyPath).startsWith(path.resolve(this.outputDir))) {
+    if (path.resolve(pyPath).startsWith(path.resolve(this.outputDir))) {
       const baseDir = path.join(this.outputDir, path.sep, this.config.package);
       pyPath = pyPath.replace(baseDir, '');
     }
@@ -2712,12 +2704,12 @@ setup(
 
     let className = this.config.package;
     arr.map(key => {
-      if(!key) {
+      if (!key) {
         return;
       }
       className += '.' + key;
     });
-    
+
     return className;
   }
 
@@ -2740,11 +2732,11 @@ setup(
     const nameAttr = node.attrs.find((item) => {
       return item.attrName.lexeme === 'name';
     });
-    return  nameAttr ?_string(nameAttr.attrValue) : _name(node.fieldName);
+    return nameAttr ? _string(nameAttr.attrValue) : _name(node.fieldName);
   }
 
-  getModelName(name, moduleName, type = 'model'){
-    if(type === 'model' && !moduleName) {
+  getModelName(name, moduleName, type = 'model') {
+    if (type === 'model' && !moduleName) {
       const aliasName = 'main_models';
       this.imports.push({
         aliasName,
@@ -2754,7 +2746,7 @@ setup(
       return `${aliasName}.${name}`;
     }
 
-    if(type === 'model' && moduleName) {
+    if (type === 'model' && moduleName) {
       const { namemespace, models } = this.packageInfo[moduleName];
       const aliasName = `${_snakeCase(moduleName.replace(/-/g, ''))}_models`;
       this.imports.push({
@@ -2765,7 +2757,7 @@ setup(
       return `${aliasName}.${name}`;
     }
 
-    if(type === 'exception' && !moduleName) {
+    if (type === 'exception' && !moduleName) {
       const aliasName = 'main_exceptions';
       this.imports.push({
         aliasName,
@@ -2775,7 +2767,7 @@ setup(
       return `${aliasName}.${name}Exception`;
     }
 
-    if(type === 'exception' && moduleName) {
+    if (type === 'exception' && moduleName) {
       const { namemespace, exceptions } = this.packageInfo[moduleName];
       const aliasName = `${_snakeCase(moduleName.replace(/-/g, ''))}_exceptions`;
       this.imports.push({
@@ -2786,7 +2778,7 @@ setup(
       return `${aliasName}.${name}Exception`;
     }
 
-    if(type === 'module') {
+    if (type === 'module') {
       const {
         aliasName,
         clientName,
@@ -2811,7 +2803,7 @@ setup(
     const moduleAst = this.ast.innerDep.get(aliasId);
     const beginNotes = DSL.note.getNotes(moduleAst.notes, 0, moduleAst.moduleBody.nodes[0].tokenRange[0]);
     const clientNote = beginNotes.find(note => note.note.lexeme === '@clientName');
-    if(clientNote) {
+    if (clientNote) {
       return _string(clientNote.arg.value);
     }
     return 'Client';
@@ -2819,30 +2811,30 @@ setup(
 
   pushImports(type) {
     const pkg = _getImport(type);
-    if(pkg) {
+    if (pkg) {
       this.imports.push(pkg);
       return;
     }
 
-    if(type === 'sys') {
+    if (type === 'sys') {
       this.imports.push({
         className: 'sys',
       });
     }
 
-    if(type === 'Any' ) {
+    if (type === 'Any') {
       this.usedTypes.push('Any');
     }
 
-    if(type === 'array') {
+    if (type === 'array') {
       this.usedTypes.push('List');
     }
 
-    if(type === 'map') {
+    if (type === 'map') {
       this.usedTypes.push('Dict');
     }
 
-    if(type === 'BinaryIO') {
+    if (type === 'BinaryIO') {
       this.usedTypes.push('BinaryIO');
     }
 
diff --git a/lib/helper.js b/lib/helper.js
index 68ef3cd..c09f9e4 100644
--- a/lib/helper.js
+++ b/lib/helper.js
@@ -11,6 +11,23 @@ const keywords = [
   'lambda', 'nonlocal', 'not', 'or', 'pass',
   'raise', 'return', 'try', 'while', 'with', 'yield'
 ];
+// 定义标准库模块列表（Python 3.x常用标准库）
+const standardLibraries = new Set([
+  '__future__', 'abc', 'argparse', 'ast', 'asyncio', 'base64', 'bisect',
+  'builtins', 'calendar', 'collections', 'concurrent', 'configparser',
+  'contextlib', 'copy', 'csv', 'datetime', 'decimal', 'difflib',
+  'email', 'enum', 'errno', 'faulthandler', 'fileinput', 'fnmatch',
+  'fractions', 'functools', 'gc', 'glob', 'gzip', 'hashlib', 'heapq',
+  'hmac', 'html', 'http', 'importlib', 'inspect', 'io', 'ipaddress',
+  'itertools', 'json', 'keyword', 'linecache', 'locale', 'logging',
+  'lzma', 'math', 'mimetypes', 'multiprocessing', 'numbers', 'operator',
+  'os', 'pathlib', 'pickle', 'platform', 'pprint', 'queue', 'random',
+  're', 'reprlib', 'secrets', 'shlex', 'shutil', 'signal', 'socket',
+  'sqlite3', 'ssl', 'statistics', 'string', 'subprocess', 'sys',
+  'tarfile', 'tempfile', 'textwrap', 'threading', 'time', 'timeit',
+  'traceback', 'types', 'typing', 'unittest', 'urllib', 'uuid',
+  'warnings', 'weakref', 'xml', 'zipfile', 'zlib'
+]);
 
 const builtinModels = [
   '$Request', '$Response', '$Error', '$SSEEvent', '$Model',
@@ -192,7 +209,7 @@ function _camelCase(str, split = '_') {
     // 如果没有下划线，对整个字符串首字母大写
     str = _upperFirst(str);
   }
-  
+
   return str;
 }
 
@@ -258,12 +275,12 @@ function _isBuiltinModel(name) {
 }
 
 function _isDefault(expr) {
-  if(expr.type !== 'call' || expr.left.type !== 'method_call') {
+  if (expr.type !== 'call' || expr.left.type !== 'method_call') {
     return false;
   }
   const name = _name(expr.left.id);
 
-  if(name !== '$default') {
+  if (name !== '$default') {
     return false;
   }
 
@@ -296,7 +313,7 @@ function _type(name) {
     return 'int';
   }
 
-  if(name === 'float'  || name === 'double') {
+  if (name === 'float' || name === 'double') {
     return 'float';
   }
 
@@ -395,7 +412,7 @@ function _escape(str) {
 }
 
 function _removeFilesInDirectory(directoryPath) {
-  if(!fs.existsSync(directoryPath)) {
+  if (!fs.existsSync(directoryPath)) {
     return;
   }
   const files = fs.readdirSync(directoryPath);
@@ -412,6 +429,212 @@ function _removeFilesInDirectory(directoryPath) {
   }
 }
 
+/**
+ * 按照Python PEP 8标准对imports进行排序
+ * @param {Array} imports - import对象数组
+ * @returns {Array} 排序后的imports数组
+ */
+function _sortImports(imports) {
+  function isStandardLibrary(packageName) {
+    if (!packageName) { return false; }
+
+    // 处理子模块，如 os.path -> os
+    const rootModule = packageName.split('.')[0];
+    return standardLibraries.has(rootModule);
+  }
+
+  function isThirdPartyLibrary(packageName) {
+    if (!packageName) { return false; }
+
+    // 不是标准库且不是相对导入（不以.开头）
+    return !isStandardLibrary(packageName) && !packageName.startsWith('.');
+  }
+
+  function isLocalImport(packageName) {
+    if (!packageName) { return false; }
+
+    // 以.开头的相对导入，或者看起来像本地模块的导入
+    return packageName.startsWith('.') ||
+      (!isStandardLibrary(packageName) && !isThirdPartyLibrary(packageName));
+  }
+
+  function getImportPriority(importObj) {
+    const { packageName, className } = importObj;
+
+    // 1. __future__ imports (最高优先级)
+    if (packageName === '__future__') {
+      return 1;
+    }
+
+    // 2. 标准库 import 语句
+    if (!packageName && isStandardLibrary(className)) {
+      return 2;
+    }
+
+    // 3. 标准库 from...import 语句
+    if (packageName && isStandardLibrary(packageName)) {
+      return 3;
+    }
+
+    // 4. 第三方库 import 语句
+    if (!packageName && isThirdPartyLibrary(className)) {
+      return 4;
+    }
+
+    // 5. 第三方库 from...import 语句
+    if (packageName && isThirdPartyLibrary(packageName)) {
+      return 5;
+    }
+
+    // 6. 本地/相对 import 语句
+    if (!packageName && isLocalImport(className)) {
+      return 6;
+    }
+
+    // 7. 本地/相对 from...import 语句
+    if (packageName && isLocalImport(packageName)) {
+      return 7;
+    }
+
+    // 8. 其他情况
+    return 8;
+  }
+
+
+  // 生成排序键
+  function getSortKey(importObj) {
+    const { packageName, className } = importObj;
+    const priority = getImportPriority(importObj);
+
+    // 构建排序键：优先级 + 包名 + 类名
+    const sortPackage = packageName || '';
+    const sortClass = className || '';
+
+    return `${priority.toString().padStart(2, '0')}_${sortPackage}_${sortClass}`;
+  }
+
+  //合并同一包的from imports
+  function mergeFromImportsByPackage(imports) {
+    const packageGroups = new Map();
+    const nonFromImports = [];
+
+    for (const importObj of imports) {
+      if (importObj.packageName) {
+        if (!packageGroups.has(importObj.packageName)) {
+          packageGroups.set(importObj.packageName, []);
+        }
+        packageGroups.get(importObj.packageName).push(importObj);
+      } else {
+        nonFromImports.push(importObj);
+      }
+    }
+
+    const mergedImports = [...nonFromImports];
+    for (const [packageName, packageImports] of packageGroups) {
+      if (packageImports.length === 1) {
+        mergedImports.push(packageImports[0]);
+      } else {
+        const canMerge = packageImports.every(imp => !imp.aliasName);
+
+        if (canMerge) {
+          const classNames = packageImports.map(imp => imp.className).sort();
+          mergedImports.push({
+            packageName: packageName,
+            className: classNames.join(', '),
+            aliasName: '',
+            _isMerged: true
+          });
+        } else {
+          mergedImports.push(...packageImports);
+        }
+      }
+    }
+
+    return mergedImports;
+  }
+
+
+  const importMap = new Map();
+  for (const importObj of imports) {
+    const key = `${importObj.packageName}|${importObj.className}|${importObj.aliasName}`;
+
+    if (importMap.has(key)) {
+      continue;
+    }
+    importMap.set(key, importObj);
+  }
+
+
+  const mergedImports = mergeFromImportsByPackage(Array.from(importMap.values()));
+
+  // 对imports进行排序
+  const sortedImports = [...mergedImports].sort((a, b) => {
+    const keyA = getSortKey(a);
+    const keyB = getSortKey(b);
+    return keyA.localeCompare(keyB);
+  });
+
+  return sortedImports;
+}
+
+// 辅助函数：将排序后的导入转换为Python代码字符串
+function _importsToString(sortedImports) {
+  const lines = [];
+  let lastPriority = -1;
+
+  // 内部函数需要访问外部的getImportPriority
+  function getImportPriority(importObj) {
+    const { packageName, className } = importObj;
+
+    function isStandardLibrary(packageName) {
+      if (!packageName) { return false; }
+      const rootModule = packageName.split('.')[0];
+      return standardLibraries.has(rootModule);
+    }
+
+    if (packageName === '__future__') { return 1; }
+    if (!packageName && isStandardLibrary(className)) { return 2; }
+    if (packageName && isStandardLibrary(packageName)) { return 3; }
+    if (!packageName && !isStandardLibrary(className)) { return 4; }
+    if (packageName && !isStandardLibrary(packageName)) { return 5; }
+    return 6;
+  }
+
+  sortedImports.forEach(importObj => {
+    const { packageName, className, aliasName } = importObj;
+    const currentPriority = getImportPriority(importObj);
+
+    // 在不同优先级组之间添加空行
+    if (lastPriority !== -1 && currentPriority !== lastPriority) {
+      lines.push('');
+    }
+
+    // 生成import语句
+    let importLine;
+    if (packageName) {
+      // from...import 语句
+      if (aliasName) {
+        importLine = `from ${packageName} import ${className} as ${aliasName}`;
+      } else {
+        importLine = `from ${packageName} import ${className}`;
+      }
+    } else {
+      // import 语句
+      if (aliasName) {
+        importLine = `import ${className} as ${aliasName}`;
+      } else {
+        importLine = `import ${className}`;
+      }
+    }
+
+    lines.push(importLine);
+    lastPriority = currentPriority;
+  });
+
+  return lines.join('\n');
+}
+
+
 module.exports = {
   _removeFilesInDirectory,
   _name,
@@ -433,6 +656,8 @@ module.exports = {
   _type,
   _getImport,
   _adaptedQuotes,
+  _sortImports,
+  _importsToString,
   CORE,
   REQUEST,
   RESPONSE,
diff --git a/tests/expected/alias/setup.py b/tests/expected/alias/setup.py
index f3910f9..7819633 100644
--- a/tests/expected/alias/setup.py
+++ b/tests/expected/alias/setup.py
@@ -22,25 +22,27 @@
 from setuptools import setup, find_packages
 
 """
-setup module for tea_python_tests.
+setup module for tea-python-tests.
 
 Created on *
 
-@author: Alibaba
+@author: AlibabaCloud SDK Team
 """
 
 PACKAGE = "tea_python_tests"
-NAME = "tea_python_tests"
-DESCRIPTION = ""
-AUTHOR = "Alibaba"
-AUTHOR_EMAIL = "sdk-team@alibabacloud.com"
-URL = "https://github.com/"
+NAME = "tea-python-tests"
+DESCRIPTION = "Generate setup.py"
+AUTHOR = "AlibabaCloud SDK Team"
+AUTHOR_EMAIL = "sdkteam@alibabacloud.com"
+URL = "https://github.com/dara"
 VERSION = __import__(PACKAGE).__version__
 REQUIRES = [
-     "alibabacloud-tea>=1.0.0",
-    "source==0.0.1",
-    "import==1.1.2",
-    "alibabacloud_tea_util==0.3.11"
+    "darabonba-core>=1.0.0, <2.0.0",
+    "source>=0.0.1, <1.0.0",
+    "import>=1.1.2, <2.0.0",
+    "alibabacloud_tea_util>=0.3.11, <1.0.0",
+    "xxx1>=0.0.1, <1.0.0",
+    "xxx2>=0.0.1, <1.0.0"
 ]
 
 LONG_DESCRIPTION = ''
@@ -63,17 +65,19 @@
     include_package_data=True,
     platforms="any",
     install_requires=REQUIRES,
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     classifiers=(
         "Development Status :: 4 - Beta",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Software Development"
     )
 )
\ No newline at end of file
diff --git a/tests/expected/alias/tea_python_tests/client.py b/tests/expected/alias/tea_python_tests/client.py
index 4705131..a59f883 100644
--- a/tests/expected/alias/tea_python_tests/client.py
+++ b/tests/expected/alias/tea_python_tests/client.py
@@ -1,13 +1,13 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from Import.client import Client as ImportClient 
-from Source.client import Client as SourceClient 
-from Alias.alias_client import AliasClient 
-from alias_source.source_client import SourceClient as AliasSourceSourceClient 
-from alias_symbol.client import Client as AliasSymbolClient 
-from alias_symbol import models as alias_symbol_models 
 
+from alias_source.source_client import SourceClient as AliasSourceSourceClient
+from alias_symbol import models as alias_symbol_models
+from alias_symbol.client import Client as AliasSymbolClient
+from Alias.alias_client import AliasClient
+from Import.client import Client as ImportClient
+from Source.client import Client as SourceClient
 
 
 
diff --git a/tests/expected/annotation/tea_python_tests/client.py b/tests/expected/annotation/tea_python_tests/client.py
index 68c50d5..94864dd 100644
--- a/tests/expected/annotation/tea_python_tests/client.py
+++ b/tests/expected/annotation/tea_python_tests/client.py
@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.core import DaraCore 
-from darabonba.exceptions import UnretryableException 
-from darabonba.policy.retry import RetryPolicyContext 
-from darabonba.request import DaraRequest 
 
+from darabonba.core import DaraCore
+from darabonba.exceptions import UnretryableException
+from darabonba.policy.retry import RetryPolicyContext
+from darabonba.request import DaraRequest
 
 """
  * @remarks
diff --git a/tests/expected/annotation/tea_python_tests/models/__init__.py b/tests/expected/annotation/tea_python_tests/models/__init__.py
index 1efea09..82a6d16 100644
--- a/tests/expected/annotation/tea_python_tests/models/__init__.py
+++ b/tests/expected/annotation/tea_python_tests/models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._test import Test
 
 __all__ = [
diff --git a/tests/expected/annotation/tea_python_tests/models/_test.py b/tests/expected/annotation/tea_python_tests/models/_test.py
index 866b1c2..918e45c 100644
--- a/tests/expected/annotation/tea_python_tests/models/_test.py
+++ b/tests/expected/annotation/tea_python_tests/models/_test.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
 
+from darabonba.model import DaraModel
 
 """
  * @remarks
diff --git a/tests/expected/api/tea_python_tests/client.py b/tests/expected/api/tea_python_tests/client.py
index 6f7c69f..246da64 100644
--- a/tests/expected/api/tea_python_tests/client.py
+++ b/tests/expected/api/tea_python_tests/client.py
@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.core import DaraCore 
-from darabonba.request import DaraRequest 
-from darabonba.exceptions import UnretryableException 
-from darabonba.policy.retry import RetryPolicyContext 
 
+from darabonba.core import DaraCore
+from darabonba.exceptions import UnretryableException
+from darabonba.policy.retry import RetryPolicyContext
+from darabonba.request import DaraRequest
 
 class Client:
     def __init__(self):
diff --git a/tests/expected/builtin/tea_python_tests/client.py b/tests/expected/builtin/tea_python_tests/client.py
index 4257c16..fd55b77 100644
--- a/tests/expected/builtin/tea_python_tests/client.py
+++ b/tests/expected/builtin/tea_python_tests/client.py
@@ -1,23 +1,25 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-import base64 
-from darabonba.utils.bytes import Bytes as DaraBytes 
-from darabonba.date import Date as DaraDate 
-import os 
-from darabonba.file import File as DaraFile 
-from darabonba.utils.form import Form as DaraForm 
-from darabonba.core import DaraCore as DaraCore 
-import json 
-import logging 
-import random 
-import math 
-from darabonba.utils.stream import Stream as DaraStream 
-from darabonba.url import Url as DaraURL 
-from darabonba.utils.xml import XML as DaraXML 
-import sys 
+
+import base64
+import json
+import logging
+import math
+import os
+import random
+import sys
+
 from typing import List, Any
 
+from darabonba.core import DaraCore as DaraCore
+from darabonba.date import Date as DaraDate
+from darabonba.file import File as DaraFile
+from darabonba.url import Url as DaraURL
+from darabonba.utils.bytes import Bytes as DaraBytes
+from darabonba.utils.form import Form as DaraForm
+from darabonba.utils.stream import Stream as DaraStream
+from darabonba.utils.xml import XML as DaraXML
 
 class Client:
 
diff --git a/tests/expected/comment/tea_python_tests/client.py b/tests/expected/comment/tea_python_tests/client.py
index b43bf56..ab449fe 100644
--- a/tests/expected/comment/tea_python_tests/client.py
+++ b/tests/expected/comment/tea_python_tests/client.py
@@ -1,13 +1,14 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from tea_python_tests import models as main_models 
-from darabonba.core import DaraCore 
-from darabonba.exceptions import UnretryableException 
-from darabonba.policy.retry import RetryPolicyContext 
-from darabonba.request import DaraRequest 
+
 from typing import List, Dict, BinaryIO, Any
 
+from darabonba.core import DaraCore
+from darabonba.exceptions import UnretryableException
+from darabonba.policy.retry import RetryPolicyContext
+from darabonba.request import DaraRequest
+from tea_python_tests import models as main_models
 
 # top comment
 """
diff --git a/tests/expected/comment/tea_python_tests/models/__init__.py b/tests/expected/comment/tea_python_tests/models/__init__.py
index 7795e1b..83d51f2 100644
--- a/tests/expected/comment/tea_python_tests/models/__init__.py
+++ b/tests/expected/comment/tea_python_tests/models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._test_1 import Test1
 from ._test_2 import Test2
 from ._test_3 import Test3
diff --git a/tests/expected/comment/tea_python_tests/models/_test_1.py b/tests/expected/comment/tea_python_tests/models/_test_1.py
index ce61d12..931c52d 100644
--- a/tests/expected/comment/tea_python_tests/models/_test_1.py
+++ b/tests/expected/comment/tea_python_tests/models/_test_1.py
@@ -1,9 +1,10 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
+
 from typing import List
 
+from darabonba.model import DaraModel
 
 # import comment
 
diff --git a/tests/expected/comment/tea_python_tests/models/_test_2.py b/tests/expected/comment/tea_python_tests/models/_test_2.py
index f2ad65e..3d72112 100644
--- a/tests/expected/comment/tea_python_tests/models/_test_2.py
+++ b/tests/expected/comment/tea_python_tests/models/_test_2.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
 
+from darabonba.model import DaraModel
 
 """
  * @remarks
diff --git a/tests/expected/comment/tea_python_tests/models/_test_3.py b/tests/expected/comment/tea_python_tests/models/_test_3.py
index fa0f980..b700057 100644
--- a/tests/expected/comment/tea_python_tests/models/_test_3.py
+++ b/tests/expected/comment/tea_python_tests/models/_test_3.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
 
+from darabonba.model import DaraModel
 
 """
  * @remarks
diff --git a/tests/expected/complex/tea_python_tests/client.py b/tests/expected/complex/tea_python_tests/client.py
index e70aef5..35246f1 100644
--- a/tests/expected/complex/tea_python_tests/client.py
+++ b/tests/expected/complex/tea_python_tests/client.py
@@ -1,20 +1,21 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from Source.source_client import SourceClient 
-from Source import models as source_models 
-from darabonba.core import DaraCore 
-from tea_python_tests import models as main_models 
-from darabonba.exceptions import UnretryableException 
-from darabonba.policy.retry import RetryPolicyContext 
-from darabonba.request import DaraRequest 
-import logging 
-from darabonba.response import DaraResponse 
-from darabonba.exceptions import DaraException 
-from tea_python_tests import exceptions as main_exceptions 
-from Source import exceptions as source_exceptions 
+
+import logging
+
 from typing import List, Dict, Any
 
+from darabonba.core import DaraCore
+from darabonba.exceptions import DaraException, UnretryableException
+from darabonba.policy.retry import RetryPolicyContext
+from darabonba.request import DaraRequest
+from darabonba.response import DaraResponse
+from Source import exceptions as source_exceptions
+from Source import models as source_models
+from Source.source_client import SourceClient
+from tea_python_tests import exceptions as main_exceptions
+from tea_python_tests import models as main_models
 
 class Client(SourceClient):
     _protocol: str = None
diff --git a/tests/expected/complex/tea_python_tests/exceptions/__init__.py b/tests/expected/complex/tea_python_tests/exceptions/__init__.py
index 9d2b218..4994ff7 100644
--- a/tests/expected/complex/tea_python_tests/exceptions/__init__.py
+++ b/tests/expected/complex/tea_python_tests/exceptions/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._err_1 import Err1Exception
 from ._err_2 import Err2Exception
 
diff --git a/tests/expected/complex/tea_python_tests/exceptions/_err_1.py b/tests/expected/complex/tea_python_tests/exceptions/_err_1.py
index 824eeda..576be73 100644
--- a/tests/expected/complex/tea_python_tests/exceptions/_err_1.py
+++ b/tests/expected/complex/tea_python_tests/exceptions/_err_1.py
@@ -1,9 +1,10 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.exceptions import DaraException 
+
 from typing import Dict
 
+from darabonba.exceptions import DaraException
 
 class Err1Exception(DaraException):
     def __init__(
diff --git a/tests/expected/complex/tea_python_tests/exceptions/_err_2.py b/tests/expected/complex/tea_python_tests/exceptions/_err_2.py
index c5fbab2..afe9031 100644
--- a/tests/expected/complex/tea_python_tests/exceptions/_err_2.py
+++ b/tests/expected/complex/tea_python_tests/exceptions/_err_2.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.exceptions import DaraException 
 
+from darabonba.exceptions import DaraException
 
 class Err2Exception(DaraException):
     def __init__(
diff --git a/tests/expected/complex/tea_python_tests/models/__init__.py b/tests/expected/complex/tea_python_tests/models/__init__.py
index 2a02dc3..f69d110 100644
--- a/tests/expected/complex/tea_python_tests/models/__init__.py
+++ b/tests/expected/complex/tea_python_tests/models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._complex_request import ComplexRequest
 from ._response import Response
 from ._complex_request import ComplexRequestHeader
diff --git a/tests/expected/complex/tea_python_tests/models/_complex_request.py b/tests/expected/complex/tea_python_tests/models/_complex_request.py
index 6cc716a..3b963ba 100644
--- a/tests/expected/complex/tea_python_tests/models/_complex_request.py
+++ b/tests/expected/complex/tea_python_tests/models/_complex_request.py
@@ -1,14 +1,15 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests import models as main_models 
-from darabonba.request import DaraRequest 
-from darabonba.response import DaraResponse 
-from Source import models as source_models 
-from Source.source_client import SourceClient 
+
 from typing import BinaryIO, List, Dict, Any
 
+from darabonba.model import DaraModel
+from darabonba.request import DaraRequest
+from darabonba.response import DaraResponse
+from Source import models as source_models
+from Source.source_client import SourceClient
+from tea_python_tests import models as main_models
 
 class ComplexRequest(DaraModel):
     def __init__(
diff --git a/tests/expected/complex/tea_python_tests/models/_response.py b/tests/expected/complex/tea_python_tests/models/_response.py
index 16c9e97..5014345 100644
--- a/tests/expected/complex/tea_python_tests/models/_response.py
+++ b/tests/expected/complex/tea_python_tests/models/_response.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests import models as main_models 
 
+from darabonba.model import DaraModel
+from tea_python_tests import models as main_models
 
 class Response(DaraModel):
     def __init__(
diff --git a/tests/expected/const/tea_python_tests/client.py b/tests/expected/const/tea_python_tests/client.py
index 0557dd0..d1ad8f9 100644
--- a/tests/expected/const/tea_python_tests/client.py
+++ b/tests/expected/const/tea_python_tests/client.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 class Client:
 
     def __init__(self):
diff --git a/tests/expected/empty/tea_python_tests/client.py b/tests/expected/empty/tea_python_tests/client.py
index 11c7b19..210627d 100644
--- a/tests/expected/empty/tea_python_tests/client.py
+++ b/tests/expected/empty/tea_python_tests/client.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 class Client:
 
     def __init__(self):
diff --git a/tests/expected/exec/tea_python_tests/exec_client.py b/tests/expected/exec/tea_python_tests/exec_client.py
index 45e75a9..fdc6e7f 100644
--- a/tests/expected/exec/tea_python_tests/exec_client.py
+++ b/tests/expected/exec/tea_python_tests/exec_client.py
@@ -1,9 +1,10 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-import sys 
-from typing import List
 
+import sys
+
+from typing import List
 
 class ExecClient:
 
diff --git a/tests/expected/function/tea_python_tests/client.py b/tests/expected/function/tea_python_tests/client.py
index b0940c3..ed627ab 100644
--- a/tests/expected/function/tea_python_tests/client.py
+++ b/tests/expected/function/tea_python_tests/client.py
@@ -1,9 +1,10 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.core import DaraCore 
+
 from typing import Dict, List
 
+from darabonba.core import DaraCore
 
 class Client:
     def __init__(self):
diff --git a/tests/expected/import/setup.py b/tests/expected/import/setup.py
index f3aae12..ee19513 100644
--- a/tests/expected/import/setup.py
+++ b/tests/expected/import/setup.py
@@ -62,17 +62,19 @@
     include_package_data=True,
     platforms="any",
     install_requires=REQUIRES,
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     classifiers=(
         "Development Status :: 4 - Beta",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Software Development"
     )
 )
\ No newline at end of file
diff --git a/tests/expected/import/tea_python_tests/client.py b/tests/expected/import/tea_python_tests/client.py
index 0c625e5..d4a87b5 100644
--- a/tests/expected/import/tea_python_tests/client.py
+++ b/tests/expected/import/tea_python_tests/client.py
@@ -1,11 +1,12 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from Local import models as local_models 
-from Source.source_client import SourceClient 
-from Source import models as source_models 
+
 from typing import List
 
+from Local import models as local_models
+from Source import models as source_models
+from Source.source_client import SourceClient
 
 
 
diff --git a/tests/expected/map/tea_python_tests/client.py b/tests/expected/map/tea_python_tests/client.py
index dcd9f07..97cf813 100644
--- a/tests/expected/map/tea_python_tests/client.py
+++ b/tests/expected/map/tea_python_tests/client.py
@@ -1,10 +1,10 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from Source.source_client import SourceClient 
-from Source import models as source_models 
-from darabonba.core import DaraCore 
 
+from darabonba.core import DaraCore
+from Source import models as source_models
+from Source.source_client import SourceClient
 
 
 
diff --git a/tests/expected/model/tea_python_tests/client.py b/tests/expected/model/tea_python_tests/client.py
index 11c7b19..210627d 100644
--- a/tests/expected/model/tea_python_tests/client.py
+++ b/tests/expected/model/tea_python_tests/client.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 class Client:
 
     def __init__(self):
diff --git a/tests/expected/model/tea_python_tests/exceptions/__init__.py b/tests/expected/model/tea_python_tests/exceptions/__init__.py
index cc92471..c054722 100644
--- a/tests/expected/model/tea_python_tests/exceptions/__init__.py
+++ b/tests/expected/model/tea_python_tests/exceptions/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._main_file import MainFileException
 
 __all__ = [
diff --git a/tests/expected/model/tea_python_tests/exceptions/_main_file.py b/tests/expected/model/tea_python_tests/exceptions/_main_file.py
index 0c52132..71f6cbf 100644
--- a/tests/expected/model/tea_python_tests/exceptions/_main_file.py
+++ b/tests/expected/model/tea_python_tests/exceptions/_main_file.py
@@ -1,10 +1,11 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.exceptions import DaraException 
-from tea_python_tests import models as main_models 
+
 from typing import Dict
 
+from darabonba.exceptions import DaraException
+from tea_python_tests import models as main_models
 
 class MainFileException(DaraException):
     def __init__(
diff --git a/tests/expected/model/tea_python_tests/models/__init__.py b/tests/expected/model/tea_python_tests/models/__init__.py
index 707ff19..21f14be 100644
--- a/tests/expected/model/tea_python_tests/models/__init__.py
+++ b/tests/expected/model/tea_python_tests/models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._m import M
 from ._class import Class
 from ._model import Model
diff --git a/tests/expected/model/tea_python_tests/models/_class.py b/tests/expected/model/tea_python_tests/models/_class.py
index a9e2034..f1c4d22 100644
--- a/tests/expected/model/tea_python_tests/models/_class.py
+++ b/tests/expected/model/tea_python_tests/models/_class.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
 
+from darabonba.model import DaraModel
 
 class Class(DaraModel):
     def __init__(self):
diff --git a/tests/expected/model/tea_python_tests/models/_m.py b/tests/expected/model/tea_python_tests/models/_m.py
index 9ab664d..fe7b532 100644
--- a/tests/expected/model/tea_python_tests/models/_m.py
+++ b/tests/expected/model/tea_python_tests/models/_m.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests import models as main_models 
 
+from darabonba.model import DaraModel
+from tea_python_tests import models as main_models
 
 class M(DaraModel):
     def __init__(
diff --git a/tests/expected/model/tea_python_tests/models/_main_file.py b/tests/expected/model/tea_python_tests/models/_main_file.py
index 7c3a68f..f12baf6 100644
--- a/tests/expected/model/tea_python_tests/models/_main_file.py
+++ b/tests/expected/model/tea_python_tests/models/_main_file.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests import models as main_models 
 
+from darabonba.model import DaraModel
+from tea_python_tests import models as main_models
 
 class MainFileModel(DaraModel):
     def __init__(
diff --git a/tests/expected/model/tea_python_tests/models/_model.py b/tests/expected/model/tea_python_tests/models/_model.py
index e6e8af0..81749a2 100644
--- a/tests/expected/model/tea_python_tests/models/_model.py
+++ b/tests/expected/model/tea_python_tests/models/_model.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
 
+from darabonba.model import DaraModel
 
 class Model(DaraModel):
     def __init__(
diff --git a/tests/expected/model/tea_python_tests/models/_my_model.py b/tests/expected/model/tea_python_tests/models/_my_model.py
index 0ef7055..67672ec 100644
--- a/tests/expected/model/tea_python_tests/models/_my_model.py
+++ b/tests/expected/model/tea_python_tests/models/_my_model.py
@@ -1,13 +1,14 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests import models as main_models 
-from Source.client import Client as SourceClient 
-from Source import models as source_models 
-from darabonba.request import DaraRequest 
+
 from typing import List, Dict, Any, BinaryIO
 
+from darabonba.model import DaraModel
+from darabonba.request import DaraRequest
+from Source import models as source_models
+from Source.client import Client as SourceClient
+from tea_python_tests import models as main_models
 
 class MyModel(DaraModel):
     def __init__(
diff --git a/tests/expected/modelConfig/tea_python_tests/client.py b/tests/expected/modelConfig/tea_python_tests/client.py
index 11c7b19..210627d 100644
--- a/tests/expected/modelConfig/tea_python_tests/client.py
+++ b/tests/expected/modelConfig/tea_python_tests/client.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 class Client:
 
     def __init__(self):
diff --git a/tests/expected/modelConfig/tea_python_tests/exceptions/__init__.py b/tests/expected/modelConfig/tea_python_tests/exceptions/__init__.py
index cc92471..c054722 100644
--- a/tests/expected/modelConfig/tea_python_tests/exceptions/__init__.py
+++ b/tests/expected/modelConfig/tea_python_tests/exceptions/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._main_file import MainFileException
 
 __all__ = [
diff --git a/tests/expected/modelConfig/tea_python_tests/exceptions/_main_file.py b/tests/expected/modelConfig/tea_python_tests/exceptions/_main_file.py
index 67949ea..539bf64 100644
--- a/tests/expected/modelConfig/tea_python_tests/exceptions/_main_file.py
+++ b/tests/expected/modelConfig/tea_python_tests/exceptions/_main_file.py
@@ -1,10 +1,11 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.exceptions import DaraException 
-from tea_python_tests import models as main_models 
+
 from typing import Dict
 
+from darabonba.exceptions import DaraException
+from tea_python_tests import models as main_models
 
 class MainFileException(DaraException):
     def __init__(
diff --git a/tests/expected/modelConfig/tea_python_tests/models/__init__.py b/tests/expected/modelConfig/tea_python_tests/models/__init__.py
index 707ff19..21f14be 100644
--- a/tests/expected/modelConfig/tea_python_tests/models/__init__.py
+++ b/tests/expected/modelConfig/tea_python_tests/models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._m import M
 from ._class import Class
 from ._model import Model
diff --git a/tests/expected/modelConfig/tea_python_tests/models/_class.py b/tests/expected/modelConfig/tea_python_tests/models/_class.py
index a9e2034..f1c4d22 100644
--- a/tests/expected/modelConfig/tea_python_tests/models/_class.py
+++ b/tests/expected/modelConfig/tea_python_tests/models/_class.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
 
+from darabonba.model import DaraModel
 
 class Class(DaraModel):
     def __init__(self):
diff --git a/tests/expected/modelConfig/tea_python_tests/models/_m.py b/tests/expected/modelConfig/tea_python_tests/models/_m.py
index cecb93d..ee6bb7a 100644
--- a/tests/expected/modelConfig/tea_python_tests/models/_m.py
+++ b/tests/expected/modelConfig/tea_python_tests/models/_m.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests import models as main_models 
 
+from darabonba.model import DaraModel
+from tea_python_tests import models as main_models
 
 class M(DaraModel):
     def __init__(
diff --git a/tests/expected/modelConfig/tea_python_tests/models/_main_file.py b/tests/expected/modelConfig/tea_python_tests/models/_main_file.py
index 3da3613..b1a1d76 100644
--- a/tests/expected/modelConfig/tea_python_tests/models/_main_file.py
+++ b/tests/expected/modelConfig/tea_python_tests/models/_main_file.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests import models as main_models 
 
+from darabonba.model import DaraModel
+from tea_python_tests import models as main_models
 
 class MainFileModel(DaraModel):
     def __init__(
diff --git a/tests/expected/modelConfig/tea_python_tests/models/_model.py b/tests/expected/modelConfig/tea_python_tests/models/_model.py
index 7b2967a..38dbf96 100644
--- a/tests/expected/modelConfig/tea_python_tests/models/_model.py
+++ b/tests/expected/modelConfig/tea_python_tests/models/_model.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
 
+from darabonba.model import DaraModel
 
 class Model(DaraModel):
     def __init__(
diff --git a/tests/expected/modelConfig/tea_python_tests/models/_my_model.py b/tests/expected/modelConfig/tea_python_tests/models/_my_model.py
index 9369af9..18dfd4e 100644
--- a/tests/expected/modelConfig/tea_python_tests/models/_my_model.py
+++ b/tests/expected/modelConfig/tea_python_tests/models/_my_model.py
@@ -1,13 +1,14 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests import models as main_models 
-from Source.client import Client as SourceClient 
-from Source import models as source_models 
-from darabonba.request import DaraRequest 
+
 from typing import List, Dict, Any, BinaryIO
 
+from darabonba.model import DaraModel
+from darabonba.request import DaraRequest
+from Source import models as source_models
+from Source.client import Client as SourceClient
+from tea_python_tests import models as main_models
 
 class MyModel(DaraModel):
     def __init__(
diff --git a/tests/expected/multi/tea_python_tests/api.py b/tests/expected/multi/tea_python_tests/api.py
index 43716ee..ead8eca 100644
--- a/tests/expected/multi/tea_python_tests/api.py
+++ b/tests/expected/multi/tea_python_tests/api.py
@@ -1,12 +1,12 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.core import DaraCore 
-from darabonba.exceptions import UnretryableException 
-from darabonba.policy.retry import RetryPolicyContext 
-from darabonba.request import DaraRequest 
-from tea_python_tests.lib.util import Util 
 
+from darabonba.core import DaraCore
+from darabonba.exceptions import UnretryableException
+from darabonba.policy.retry import RetryPolicyContext
+from darabonba.request import DaraRequest
+from tea_python_tests.lib.util import Util
 
 class Client:
     def __init__(self):
diff --git a/tests/expected/multi/tea_python_tests/api_models/__init__.py b/tests/expected/multi/tea_python_tests/api_models/__init__.py
index 334b54e..d8262e1 100644
--- a/tests/expected/multi/tea_python_tests/api_models/__init__.py
+++ b/tests/expected/multi/tea_python_tests/api_models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._test_model_dir_2 import TestModelDir2
 
 __all__ = [
diff --git a/tests/expected/multi/tea_python_tests/api_models/_test_model_dir_2.py b/tests/expected/multi/tea_python_tests/api_models/_test_model_dir_2.py
index e8e8886..0b2d671 100644
--- a/tests/expected/multi/tea_python_tests/api_models/_test_model_dir_2.py
+++ b/tests/expected/multi/tea_python_tests/api_models/_test_model_dir_2.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
 
+from darabonba.model import DaraModel
 
 
 
diff --git a/tests/expected/multi/tea_python_tests/client.py b/tests/expected/multi/tea_python_tests/client.py
index 6964727..94ec764 100644
--- a/tests/expected/multi/tea_python_tests/client.py
+++ b/tests/expected/multi/tea_python_tests/client.py
@@ -1,11 +1,12 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from tea_python_tests.model import user_models as user_models 
-from tea_python_tests.lib.util import Util 
-from tea_python_tests.api import Client as APIClient 
+
 from typing import Generator, AsyncGenerator
 
+from tea_python_tests.api import Client as APIClient
+from tea_python_tests.lib.util import Util
+from tea_python_tests.model import user_models as user_models
 
 class Client:
     _user: user_models.Info = None
diff --git a/tests/expected/multi/tea_python_tests/exceptions/__init__.py b/tests/expected/multi/tea_python_tests/exceptions/__init__.py
index c563a2a..316de49 100644
--- a/tests/expected/multi/tea_python_tests/exceptions/__init__.py
+++ b/tests/expected/multi/tea_python_tests/exceptions/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._err import ErrException
 from ._err import ERRException
 
diff --git a/tests/expected/multi/tea_python_tests/exceptions/_err.py b/tests/expected/multi/tea_python_tests/exceptions/_err.py
index 8786fb3..066f114 100644
--- a/tests/expected/multi/tea_python_tests/exceptions/_err.py
+++ b/tests/expected/multi/tea_python_tests/exceptions/_err.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.exceptions import DaraException 
 
+from darabonba.exceptions import DaraException
 
 class ERRException(DaraException):
     def __init__(
diff --git a/tests/expected/multi/tea_python_tests/lib/util.py b/tests/expected/multi/tea_python_tests/lib/util.py
index d174c8c..81efdb3 100644
--- a/tests/expected/multi/tea_python_tests/lib/util.py
+++ b/tests/expected/multi/tea_python_tests/lib/util.py
@@ -4,7 +4,6 @@
 
 from typing import Generator, Dict
 
-
 class Util:
 
     def __init__(self):
diff --git a/tests/expected/multi/tea_python_tests/model/user.py b/tests/expected/multi/tea_python_tests/model/user.py
index 03eef52..7039daa 100644
--- a/tests/expected/multi/tea_python_tests/model/user.py
+++ b/tests/expected/multi/tea_python_tests/model/user.py
@@ -1,10 +1,11 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from alibabacloud_tea_util.util import Utils 
-from tea_python_tests.lib.util import Util 
+
 from typing import Generator, AsyncGenerator
 
+from alibabacloud_tea_util.util import Utils
+from tea_python_tests.lib.util import Util
 
 class Client:
 
diff --git a/tests/expected/multi/tea_python_tests/model/user_exceptions/__init__.py b/tests/expected/multi/tea_python_tests/model/user_exceptions/__init__.py
index 333b710..6434192 100644
--- a/tests/expected/multi/tea_python_tests/model/user_exceptions/__init__.py
+++ b/tests/expected/multi/tea_python_tests/model/user_exceptions/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._err import ErrException
 from ._err_1 import Err1Exception
 from ._err_2 import Err2Exception
diff --git a/tests/expected/multi/tea_python_tests/model/user_exceptions/_err.py b/tests/expected/multi/tea_python_tests/model/user_exceptions/_err.py
index 56270d1..255c093 100644
--- a/tests/expected/multi/tea_python_tests/model/user_exceptions/_err.py
+++ b/tests/expected/multi/tea_python_tests/model/user_exceptions/_err.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.exceptions import DaraException 
 
+from darabonba.exceptions import DaraException
 
 class ErrException(DaraException):
     def __init__(
diff --git a/tests/expected/multi/tea_python_tests/model/user_exceptions/_err_1.py b/tests/expected/multi/tea_python_tests/model/user_exceptions/_err_1.py
index e55a643..02413b1 100644
--- a/tests/expected/multi/tea_python_tests/model/user_exceptions/_err_1.py
+++ b/tests/expected/multi/tea_python_tests/model/user_exceptions/_err_1.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from tea_python_tests import user_exceptions as main_exceptions 
 
+from tea_python_tests import user_exceptions as main_exceptions
 
 class Err1Exception(main_exceptions.BaseInfoException):
     def __init__(
diff --git a/tests/expected/multi/tea_python_tests/model/user_exceptions/_err_2.py b/tests/expected/multi/tea_python_tests/model/user_exceptions/_err_2.py
index dd81d17..8439f31 100644
--- a/tests/expected/multi/tea_python_tests/model/user_exceptions/_err_2.py
+++ b/tests/expected/multi/tea_python_tests/model/user_exceptions/_err_2.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from tea_python_tests import user_exceptions as main_exceptions 
 
+from tea_python_tests import user_exceptions as main_exceptions
 
 class Err2Exception(main_exceptions.ErrException):
     def __init__(
diff --git a/tests/expected/multi/tea_python_tests/model/user_models/__init__.py b/tests/expected/multi/tea_python_tests/model/user_models/__init__.py
index a468a56..69478ac 100644
--- a/tests/expected/multi/tea_python_tests/model/user_models/__init__.py
+++ b/tests/expected/multi/tea_python_tests/model/user_models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._base_info import BaseInfo
 from ._info import Info
 
diff --git a/tests/expected/multi/tea_python_tests/model/user_models/_base_info.py b/tests/expected/multi/tea_python_tests/model/user_models/_base_info.py
index 3f294a0..ca65fa8 100644
--- a/tests/expected/multi/tea_python_tests/model/user_models/_base_info.py
+++ b/tests/expected/multi/tea_python_tests/model/user_models/_base_info.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from alibabacloud_tea_util import models as darautil_models 
 
+from alibabacloud_tea_util import models as darautil_models
 
 
 
diff --git a/tests/expected/multi/tea_python_tests/model/user_models/_info.py b/tests/expected/multi/tea_python_tests/model/user_models/_info.py
index e15fc53..ef1679b 100644
--- a/tests/expected/multi/tea_python_tests/model/user_models/_info.py
+++ b/tests/expected/multi/tea_python_tests/model/user_models/_info.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from tea_python_tests import user_models as main_models 
 
+from tea_python_tests import user_models as main_models
 
 class Info(main_models.BaseInfo):
     def __init__(
diff --git a/tests/expected/multi/tea_python_tests/models/__init__.py b/tests/expected/multi/tea_python_tests/models/__init__.py
index 8c839b0..3eac2e6 100644
--- a/tests/expected/multi/tea_python_tests/models/__init__.py
+++ b/tests/expected/multi/tea_python_tests/models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._test_model_dir import TestModelDir
 from ._test_model_dir import TestModelDIR
 
diff --git a/tests/expected/multi/tea_python_tests/models/_test_model_dir.py b/tests/expected/multi/tea_python_tests/models/_test_model_dir.py
index 0477f60..3858b8b 100644
--- a/tests/expected/multi/tea_python_tests/models/_test_model_dir.py
+++ b/tests/expected/multi/tea_python_tests/models/_test_model_dir.py
@@ -1,10 +1,11 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from tea_python_tests.model import user_models as user_models 
+
 from typing import Any
 
+from darabonba.model import DaraModel
+from tea_python_tests.model import user_models as user_models
 
 class TestModelDIR(DaraModel):
     def __init__(
diff --git a/tests/expected/statements/tea_python_tests/client.py b/tests/expected/statements/tea_python_tests/client.py
index 67317d3..5a42275 100644
--- a/tests/expected/statements/tea_python_tests/client.py
+++ b/tests/expected/statements/tea_python_tests/client.py
@@ -1,10 +1,10 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.core import DaraCore 
-from darabonba.request import DaraRequest 
-from darabonba.exceptions import DaraException 
 
+from darabonba.core import DaraCore
+from darabonba.exceptions import DaraException
+from darabonba.request import DaraRequest
 
 class Client:
     def __init__(self):
diff --git a/tests/expected/super/tea_python_tests/client.py b/tests/expected/super/tea_python_tests/client.py
index dbe4f42..6a5f11b 100644
--- a/tests/expected/super/tea_python_tests/client.py
+++ b/tests/expected/super/tea_python_tests/client.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from Source.source_client import SourceClient 
-from Source import models as source_models 
 
+from Source import models as source_models
+from Source.source_client import SourceClient
 
 
 
diff --git a/tests/expected/typedef/tea_python_tests/client.py b/tests/expected/typedef/tea_python_tests/client.py
index 032b8a8..2938b1d 100644
--- a/tests/expected/typedef/tea_python_tests/client.py
+++ b/tests/expected/typedef/tea_python_tests/client.py
@@ -1,13 +1,13 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from requests import Request 
-from Tea.model import TeaModel 
-from Source.source_client import SourceClient 
-from tea_python_tests import models as main_models 
-from requests import Response 
+
 from typing import Dict, Any
 
+from requests import Request, Response
+from Source.source_client import SourceClient
+from tea_python_tests import models as main_models
+from Tea.model import TeaModel
 
 class Client:
     _vid: Request = None
diff --git a/tests/expected/typedef/tea_python_tests/models/__init__.py b/tests/expected/typedef/tea_python_tests/models/__init__.py
index a40078d..b218fc4 100644
--- a/tests/expected/typedef/tea_python_tests/models/__init__.py
+++ b/tests/expected/typedef/tea_python_tests/models/__init__.py
@@ -2,8 +2,6 @@
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
 
-
-
 from ._m import M
 
 __all__ = [
diff --git a/tests/expected/typedef/tea_python_tests/models/_m.py b/tests/expected/typedef/tea_python_tests/models/_m.py
index 70b13d2..916af18 100644
--- a/tests/expected/typedef/tea_python_tests/models/_m.py
+++ b/tests/expected/typedef/tea_python_tests/models/_m.py
@@ -1,10 +1,10 @@
 # -*- coding: utf-8 -*-
 # This file is auto-generated, don't edit it. Thanks.
 from __future__ import annotations
-from darabonba.model import DaraModel 
-from requests import Request 
-from Tea.model import TeaModel 
 
+from darabonba.model import DaraModel
+from requests import Request
+from Tea.model import TeaModel
 
 
 
diff --git a/tests/fixtures/alias/Darafile b/tests/fixtures/alias/Darafile
index f43b38b..94a8678 100644
--- a/tests/fixtures/alias/Darafile
+++ b/tests/fixtures/alias/Darafile
@@ -14,11 +14,12 @@
     "package": "tea_python_tests",
     "clientName": "client",
     "packageInfo": {
-      "name": "tea_python_tests",
+      "name": "tea-python-tests",
       "desc": "Generate setup.py",
-      "github": "https://github.com/",
-      "author": "Alibaba",
-      "email": "sdk-team@alibabacloud.com"
+      "github": "https://github.com/dara",
+      "author": "AlibabaCloud SDK Team",
+      "email": "sdkteam@alibabacloud.com",
+      "require": ["xxx1>=0.0.1, <1.0.0", "xxx2>=0.0.1, <1.0.0"]
     }
   }
 }
\ No newline at end of file
diff --git a/tests/main.tests.js b/tests/main.tests.js
index b62e717..834238e 100644
--- a/tests/main.tests.js
+++ b/tests/main.tests.js
@@ -75,7 +75,7 @@ describe('Python Generator', function () {
       });
   });
 
-  
+
   it('complex should ok', function () {
     check('complex', 'tea_python_tests',
       {
@@ -85,7 +85,7 @@ describe('Python Generator', function () {
         }
       });
   });
-  
+
   it('model should ok', function () {
     check('model', 'tea_python_tests',
       {
@@ -159,14 +159,19 @@ describe('Python Generator', function () {
           package: 'tea_python_tests',
           clientName: 'client',
           packageInfo: {
-            name: 'tea_python_tests',
+            name: 'tea-python-tests',
             desc: 'Generate setup.py',
-            github: 'https://github.com/',
-            author: 'Alibaba',
-            email: 'sdk-team@alibabacloud.com'
+            github: 'https://github.com/dara',
+            author: 'AlibabaCloud SDK Team',
+            email: 'sdkteam@alibabacloud.com',
+            require: ['xxx>=0.0.1, <1.0.0', 'xxx>=0.0.1, <1.0.0']
           }
         }
       });
+    const expectedContent = fs.readFileSync(path.join(__dirname, 'expected', 'alias', 'setup.py'), 'utf8');
+    const acutalContent = fs.readFileSync(path.join(__dirname, 'output', 'alias', 'setup.py'), 'utf8');
+
+    assert.deepStrictEqual(expectedContent, acutalContent.replace(new RegExp('\\d{2}\\/\\d{2}\\/\\d{4}'), '*'));
   });
 
   it('const should ok', function () {
@@ -188,7 +193,7 @@ describe('Python Generator', function () {
         }
       });
   });
-  
+
   it('function should ok', function () {
     check('function', 'tea_python_tests',
       {
@@ -197,8 +202,8 @@ describe('Python Generator', function () {
           clientName: 'client'
         }
       });
-  }); 
-   
+  });
+
   it('api should ok', function () {
     check('api', 'tea_python_tests',
       {
@@ -261,23 +266,21 @@ describe('Python Generator', function () {
 
   it('empty should ok', function () {
     check('empty', 'tea_python_tests',
-    {
-      python: {
-        package: 'tea_python_tests',
-        clientName: 'client',
-        packageInfo: {
-          name: 'tea_python_tests',
-          desc: 'Generate setup.py',
-          github: 'https://github.com/',
-          author: 'Alibaba',
-          email: 'sdk-team@alibabacloud.com'
+      {
+        python: {
+          package: 'tea_python_tests',
+          clientName: 'client',
+          packageInfo: {
+            name: 'tea_python_tests',
+            desc: 'Generate setup.py',
+            github: 'https://github.com/',
+            author: 'Alibaba',
+            email: 'sdk-team@alibabacloud.com'
+          }
         }
-      }
-    });
+      });
   });
 
-
-
   it('super should ok', function () {
     check('super', 'tea_python_tests',
       {