代码优化，变量名称调整

pages/im/index.vue

@@ -54,7 +54,6 @@
     export default {
         data() {
             return {
-                isShown: true, // 当前页面显示状态
                 showType: 1, // 0 单聊，1 群聊
                 conversations: [], // 会话列表
                 groupConversations: [],
@@ -80,7 +79,9 @@
             if (this.$store.state.token !== '') {
                 this.getPrivateConversationList()
                 this.getGroupConversationList()
-            }
+            }
+            
+            console.log('开始监听');
             // 监听新消息
             uni.$on('onReceivePrivateMessage', (msg) => {
                 this.getPrivateConversationList()
@@ -88,13 +89,11 @@
             uni.$on('onReceiveGroupMessage', (msg) => {
                 this.getGroupConversationList()
             })
-            
-            this.isShown = true
         },
         onHide() {
             uni.$off('onReceivePrivateMessage')
-            uni.$off('onReceiveGroupMessage')
-            this.isShown = false
+            uni.$off('onReceiveGroupMessage')
+            console.log('index 隐藏');
         },
         onNavigationBarButtonTap(e) {
             if (e.index == 0) {