diff --git a/app/(chat)/api/chat/route.ts b/app/(chat)/api/chat/route.ts
index 115366a..ece237c 100644
--- a/app/(chat)/api/chat/route.ts
+++ b/app/(chat)/api/chat/route.ts
@@ -991,7 +991,7 @@ export async function POST(request: Request) {
               const chatMessageId = generateUUID();
               console.log("[Chat API] 💬 Sending conversational reply first:", smartAutoFriendlyMessage);
               
-              // 立即发送对话消息
+              // 发送对话消息
               writer.write({
                 type: "data-appendMessage",
                 data: JSON.stringify({
@@ -1014,6 +1014,9 @@ export async function POST(request: Request) {
                   },
                 ],
               });
+              
+              // 🆕 给前端一点时间渲染第一条消息
+              await new Promise(resolve => setTimeout(resolve, 500));
             }
             
             // 只传递最后一条用户消息
@@ -1205,7 +1208,7 @@ export async function POST(request: Request) {
               const chatMessageId = generateUUID();
               console.log("[Chat API] 💬 Volcano: Sending conversational reply first:", smartAutoFriendlyMessage);
               
-              // 立即发送对话消息
+              // 发送对话消息
               writer.write({
                 type: "data-appendMessage",
                 data: JSON.stringify({
@@ -1228,6 +1231,9 @@ export async function POST(request: Request) {
                   },
                 ],
               });
+              
+              // 🆕 给前端一点时间渲染第一条消息
+              await new Promise(resolve => setTimeout(resolve, 500));
             }
             
             // 转换消息，火山引擎支持 URL 和 base64