diff --git a/WHartTest_Django/requirements.txt b/WHartTest_Django/requirements.txt
index 6b0af93c..af4b7554 100644
--- a/WHartTest_Django/requirements.txt
+++ b/WHartTest_Django/requirements.txt
@@ -1,6 +1,6 @@
 # Django Web框架 - BSD许可证 (当前版本: 5.2)
 # https://github.com/django/django/blob/main/LICENSE
-Django==5.2
+Django==5.2.14
 
 # Django REST框架 - BSD许可证 (当前版本: 3.16.0)
 # https://github.com/encode/django-rest-framework/blob/master/LICENSE.md
@@ -26,7 +26,7 @@ daphne==4.2.1
 
 # 环境变量管理 - BSD许可证 (当前版本: 1.1.1)
 # https://github.com/theskumar/python-dotenv/blob/main/LICENSE
-python-dotenv==1.1.1
+python-dotenv==1.2.2
 
 # OpenAI API客户端 - MIT许可证 (v1.x 重大升级)
 # https://github.com/openai/openai-python/blob/main/LICENSE
@@ -42,15 +42,15 @@ drf-nested-routers==0.94.2
 
 # LangGraph工作流框架 - MIT许可证 (v1.x 重大升级)
 # https://github.com/langchain-ai/langgraph/blob/main/LICENSE
-langgraph==1.0.6
+langgraph==1.0.10rc1
 
 # LangChain主库 - MIT许可证 (v1.x 重大升级)
 # https://github.com/langchain-ai/langchain/blob/master/LICENSE
-langchain==1.2.3
+langchain==1.3.9
 
 # LangChain OpenAI集成 - MIT许可证 (v1.x 重大升级)
 # https://github.com/langchain-ai/langchain/blob/master/libs/partners/openai/LICENSE
-langchain-openai==1.1.7
+langchain-openai==1.1.14
 
 # LangChain DeepSeek集成 - MIT许可证
 # https://github.com/langchain-ai/langchain/tree/main/libs/partners/deepseek
@@ -67,7 +67,7 @@ langchain-qwq==0.3.4
 
 # LangChain核心库 - MIT许可证 (v1.x 重大升级)
 # https://github.com/langchain-ai/langchain/blob/master/libs/core/LICENSE
-langchain-core==1.2.7
+langchain-core==1.3.3
 
 # LangChain实验性功能 - MIT许可证 (已移除 - 项目未使用)
 # 注意：langchain-experimental 尚未适配 v1.x 生态
@@ -76,7 +76,7 @@ langchain-core==1.2.7
 
 # LangGraph检查点 - MIT许可证 (v1.x 重大升级)
 # https://github.com/langchain-ai/langgraph/blob/main/libs/checkpoint/LICENSE
-langgraph-checkpoint==4.0.0
+langgraph-checkpoint==4.1.1
 
 # LangGraph预构建组件 - MIT许可证 (v1.x 重大升级)
 # https://github.com/langchain-ai/langgraph/blob/main/libs/prebuilt/LICENSE
@@ -128,7 +128,7 @@ langchain-community==0.4.1
 
 # 文本分割器 - MIT许可证 (最新稳定版)
 # https://github.com/langchain-ai/langchain/blob/master/libs/text-splitters/LICENSE
-langchain-text-splitters==1.1.0
+langchain-text-splitters==1.1.2
 
 # Qdrant向量数据库 - Apache 2.0许可证 (v1.x 重大升级)
 # https://github.com/qdrant/qdrant-client/blob/master/LICENSE
@@ -196,7 +196,7 @@ beautifulsoup4==4.13.3
 # 文档处理依赖
 # PDF文件处理 - BSD许可证 (当前版本: 5.6.0)
 # https://github.com/py-pdf/pypdf/blob/main/LICENSE
-pypdf==5.6.0
+pypdf==6.13.3
 
 # Word文档处理 - MIT许可证 (当前版本: 1.1.2)
 # https://github.com/python-openxml/python-docx/blob/master/LICENSE