diff --git a/src/llm_models/utils_model.py b/src/llm_models/utils_model.py
index b9a419c33..1077cfa09 100644
--- a/src/llm_models/utils_model.py
+++ b/src/llm_models/utils_model.py
@@ -255,11 +255,12 @@ class LLMRequest:
         if self.temp != 0.7:
             payload["temperature"] = self.temp
 
-        # 添加enable_thinking参数（仅在启用时添加）
-        if self.enable_thinking:
-            payload["enable_thinking"] = True
-            if self.thinking_budget != 4096:
-                payload["thinking_budget"] = self.thinking_budget
+        # 添加enable_thinking参数（如果不是默认值False）
+        if not self.enable_thinking:
+            payload["enable_thinking"] = False
+
+        if self.thinking_budget != 4096:
+            payload["thinking_budget"] = self.thinking_budget
 
         if self.max_tokens:
             payload["max_tokens"] = self.max_tokens
@@ -669,11 +670,12 @@ class LLMRequest:
         if self.temp != 0.7:
             payload["temperature"] = self.temp
 
-        # 添加enable_thinking参数（仅在启用时添加）
-        if self.enable_thinking:
-            payload["enable_thinking"] = True
-            if self.thinking_budget != 4096:
-                payload["thinking_budget"] = self.thinking_budget
+        # 添加enable_thinking参数（如果不是默认值False）
+        if not self.enable_thinking:
+            payload["enable_thinking"] = False
+
+        if self.thinking_budget != 4096:
+            payload["thinking_budget"] = self.thinking_budget
 
         if self.max_tokens:
             payload["max_tokens"] = self.max_tokens