Fix：3648 【商城小程序】进入客服会话页面并返回后，再次进入未显示消息数据

pkg_common/views/room.vue

@@ -132,13 +132,19 @@ export default {
     this.token = uni.getStorageSync("login_status");
     this.userInfo = uni.getStorageSync("userInfo");
     this.uid = this.userInfo.uid
-    this.content = uni.getStorageSync(this.merName+this.uid+this.storeId)
+    
-    this.connectSocketInit()
   },
-  onHide() {
+  onShow() {
+    this.content = uni.getStorageSync(this.merName+this.uid+this.storeId)
+    this.connectSocketInit();
+  },
+  onUnload() {
     if (this.socketOpen) {
       this.socketTask.close();
     }
+    uni.onSocketClose(res => {
+      console.log('WebSocket 已关闭！', res);
+    });
     uni.setStorageSync(this.merName+this.uid+this.storeId, this.content)
   },
   methods: {
@@ -247,7 +253,6 @@ export default {
         console.log('WebSocket连接已打开！', res);
         this.socketOpen = true;
         this.createRoom();
-        
       });
 
       uni.onSocketError(err => {