diff --git a/src/utils/messageHandler.ts b/src/utils/messageHandler.ts
index 928d144..49e3777 100644
--- a/src/utils/messageHandler.ts
+++ b/src/utils/messageHandler.ts
@@ -365,13 +365,12 @@ async function handleUserMessageWithBackend(
               command: "hideStatus",
             });
 
-            // 最后一次发送完整的段落
-            const result = await panel.webview.postMessage({
+            // 发送完成标记（不再重复发送 segments，避免内容重复显示）
+            panel.webview.postMessage({
               command: "updateSegments",
-              segments: segments,
+              segments: [],
               isComplete: true,
             });
-            console.log("[MessageHandler] postMessage 返回值:", result);
 
             // 发送系统通知 - AI 响应完成
             const notificationService = NotificationService.getInstance();