diff --git a/env.example b/env.example
index 5fc70125..c97d6f7b 100644
--- a/env.example
+++ b/env.example
@@ -11,12 +11,12 @@ DATABASE_URL=postgresql://postgres:1234@127.0.0.1:5432/postgres
 # AI模型配置 / AI Model Configuration
 # ===============================================
 
-# OpenAI API基础URL
-# OpenAI API base URL
-OPENAI_API_BASE="api.openai-proxy.org" 
+# OpenRouter API基础URL
+# OpenRouter API base URL
+OPENAI_API_BASE="openrouter.ai" 
 
-# OpenAI API密钥
-# OpenAI API key
+# OpenRouter API密钥
+# OpenRouter API key
 OPENAI_API_KEY="sk-xxxxx"
 
 
diff --git a/src/openai_api/model_config.json b/src/openai_api/model_config.json
index f39483f5..f1c98cce 100644
--- a/src/openai_api/model_config.json
+++ b/src/openai_api/model_config.json
@@ -1,13 +1,13 @@
 {
-  "openai_general": "gpt-4.1",
-  "code_assumptions_analysis": "claude-sonnet-4-5",
-  "vulnerability_detection": "claude-sonnet-4-5",
-  "group_results_summarization": "claude-sonnet-4-5",
-  "initial_vulnerability_validation": "gpt-5-codex",
-  "vulnerability_findings_json_extraction": "gpt-4o-mini",
-  "additional_context_determination": "deepseek-reasoner",
-  "comprehensive_vulnerability_analysis": "gpt-5-codex",
-  "final_vulnerability_extraction": "gpt-4o-mini",
-  "structured_json_extraction": "gpt-4.1",
-  "embedding_model": "text-embedding-3-large"
+  "openai_general": "openai/gpt-4-turbo",
+  "code_assumptions_analysis": "anthropic/claude-sonnet-4-20250514",
+  "vulnerability_detection": "anthropic/claude-sonnet-4-20250514",
+  "group_results_summarization": "anthropic/claude-sonnet-4-20250514",
+  "initial_vulnerability_validation": "openai/gpt-4-turbo",
+  "vulnerability_findings_json_extraction": "openai/gpt-4o-mini",
+  "additional_context_determination": "deepseek/deepseek-reasoner",
+  "comprehensive_vulnerability_analysis": "openai/gpt-4-turbo",
+  "final_vulnerability_extraction": "openai/gpt-4o-mini",
+  "structured_json_extraction": "openai/gpt-4-turbo",
+  "embedding_model": "openai/text-embedding-3-large"
 }
\ No newline at end of file