update

index3.js

@@ -41,10 +41,7 @@ app.post('/wechat', async (req, res) => {
         }],
       stream: true
     });
-    let fullContent = '';
-    for await (const chunk of completion) {
-      fullContent += chunk.choices[0].message.content || '';
-    }
+    let fullContent = completion.choices[0].message.content|| '';
 
     const xmlEntities = {
       '&': '&',