diff --git a/src/app/api/simulator/[id]/execute/route.ts b/src/app/api/simulator/[id]/execute/route.ts
index 6e493c9..68b76f5 100644
--- a/src/app/api/simulator/[id]/execute/route.ts
+++ b/src/app/api/simulator/[id]/execute/route.ts
@@ -66,9 +66,9 @@ const IMAGE_MODEL_ADAPTERS: Record<string, ModelAdapter> = {
         }
       }
       
-      // 如果有图片数据，返回图片数据，否则返回文本内容
+      // 如果有图片数据，不返回到 content 中，只存储到 imageData
       return {
-        content: imageData || content || 'No image data found in response',
+        content: imageData ? '' : (content || 'No image data found in response'),
         outputType: 'image',
         imageData: imageData
       }