Fix：4895 【商城小程序】用户看完新消息后，首页红点数字提示未消除

pkg_common/views/roomLogs.vue

@@ -111,6 +111,7 @@ export default {
      */
     toMessage() {
       markMessagesAsRead().then(res => {
+        uni.$emit('updateUnreadMessageCount', 0)
         uni.navigateTo({url: '/pkg_common/views/message'})
       })
     },
@@ -120,7 +121,9 @@ export default {
      */
     getUnreadMessageCount(item) {
       getUnreadMessageCount().then(res => {
-        this.unreadNum = res.data
+        const count = res.data || 0
+        this.unreadNum = count
+        uni.$emit('updateUnreadMessageCount', count)
       })  
     },
     goRoom(item) {
@@ -279,4 +282,4 @@ export default {
   box-sizing: border-box;
   padding: 4rpx;
 }
-</style>
+</style>