diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f80077..b5c727c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # ChangeLog
 
+# 2.0.10
+- Upgrade the sse function generate function.
+
 # 2.0.9
 - Fixed the arr & map init error in from map
 
diff --git a/ChangeLog.md b/ChangeLog.md
index 2f80077..b5c727c 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,8 @@
 # ChangeLog
 
+# 2.0.10
+- Upgrade the sse function generate function.
+
 # 2.0.9
 - Fixed the arr & map init error in from map
 
diff --git a/lib/helper.js b/lib/helper.js
index 77eef6f..c09f9e4 100644
--- a/lib/helper.js
+++ b/lib/helper.js
@@ -35,8 +35,6 @@ const builtinModels = [
   '$ResponseError', '$FileField'
 ];
 
-const words = ['SSE'];
-
 const CORE = 'Dara';
 const REQUEST = '_request';
 const RESPONSE = '_response';
@@ -221,11 +219,6 @@ function _snakeCase(str) {
   }
   let res = '';
   let tmp = '';
-  words.forEach(word => {
-    // 只匹配驼峰词前缀，不破坏开头
-    const regex = new RegExp(word + '(?=[A-Z0-9])', 'g');
-    str = str.replace(regex, _upperFirst(word.toLowerCase()));
-  });
   for (const c of str) {
     if (/[A-Z|0-9]/.test(c)) {
       tmp += c;
diff --git a/package.json b/package.json
index 23b9c7a..2e4e7c9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@darabonba/python-generator",
-  "version": "2.0.9",
+  "version": "2.0.11",
   "description": "The darabonba generator for Python",
   "main": "lib/generator.js",
   "directories": {