feat: 生成的唯一消息id 优化

pages/chat/ChatMainList.vue

@@ -358,7 +358,7 @@ const initHandler = () => {
   console.log("initHandler");
 
   loadRecentConversation();
-  loadConversationMsgList();
+  ///loadConversationMsgList();
   initWebSocket();
 };
 

utils/index.js

@@ -13,7 +13,12 @@ export class IdUtils {
    * @returns {string} 消息ID
    */
   static generateMessageId() {
-    return "mid" + new Date().getTime();
+    const timestamp = new Date().getTime();
+    const chars = "abcdefghijklmnopqrstuvwxyz";
+    const randomStr = Array.from({ length: 4 }, () =>
+      chars.charAt(Math.floor(Math.random() * chars.length))
+    ).join("");
+    return "mid"+ randomStr + timestamp;
   }
 }