diff --git a/app/service/chat/gemini_chat_service.py b/app/service/chat/gemini_chat_service.py
index 5af40b7..7348812 100644
--- a/app/service/chat/gemini_chat_service.py
+++ b/app/service/chat/gemini_chat_service.py
@@ -206,7 +206,10 @@ def _build_payload(model: str, request: GeminiRequest) -> Dict[str, Any]:
     else:
         # 客户端没有提供思考配置，使用默认配置    
         if model.endswith("-non-thinking"):
-            payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 0} 
+            if "gemini-2.5-pro" in model:
+                payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 128}
+            else:
+                payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 0} 
         elif model in settings.THINKING_BUDGET_MAP:
             if settings.SHOW_THINKING_PROCESS:
                 payload["generationConfig"]["thinkingConfig"] = {
diff --git a/app/service/chat/openai_chat_service.py b/app/service/chat/openai_chat_service.py
index a86756b..526e3c2 100644
--- a/app/service/chat/openai_chat_service.py
+++ b/app/service/chat/openai_chat_service.py
@@ -184,7 +184,10 @@ def _build_payload(
         payload["generationConfig"]["responseModalities"] = ["Text", "Image"]
     
     if request.model.endswith("-non-thinking"):
-        payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 0}
+        if "gemini-2.5-pro" in request.model:
+            payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 128}
+        else:
+            payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 0} 
     
     if request.model in settings.THINKING_BUDGET_MAP:
         if settings.SHOW_THINKING_PROCESS:
diff --git a/app/service/chat/vertex_express_chat_service.py b/app/service/chat/vertex_express_chat_service.py
index 93b4f93..fea7929 100644
--- a/app/service/chat/vertex_express_chat_service.py
+++ b/app/service/chat/vertex_express_chat_service.py
@@ -144,7 +144,10 @@ def _build_payload(model: str, request: GeminiRequest) -> Dict[str, Any]:
     else:
         # 客户端没有提供思考配置，使用默认配置    
         if model.endswith("-non-thinking"):
-            payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 0} 
+            if "gemini-2.5-pro" in model:
+                payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 128}
+            else:
+                payload["generationConfig"]["thinkingConfig"] = {"thinkingBudget": 0} 
         elif model in settings.THINKING_BUDGET_MAP:
             if settings.SHOW_THINKING_PROCESS:
                 payload["generationConfig"]["thinkingConfig"] = {