增加fetchEventSource里面的回调函数的注释

src/App.vue

@@ -90,20 +90,20 @@ export default {
           'Content-Type': 'application/json'
         },
         body: JSON.stringify(body),
+        // 建立连接后立即执行
         onopen: (response) => {
           dialog.text = '';
         },
+        // 接收到消息时执行
         onmessage: (msg) => {
           if (msg.data === '[DONE]') {
             this.loading = false;
             return;
           };
           const data = JSON.parse(msg.data);
-          console.log(data)
           const finish_reason = data.choices[0].finish_reason;
           const finish = finish_reason === 'stop' || finish_reason === 'length';
           const content = data.choices[0].delta.content;
-
           if (finish) {
             this.loading = false;
           } else if (content) {
@@ -111,6 +111,7 @@ export default {
             dialog.text += text;
           }
         },
+        // 连接发生错误
         onerror: (err) => {
           console.log("error", err);
         }