问腾讯IM 收消息的时候会触发多次，怎么解决？

TIM.EVENT.MESSAGE_RECEIVED
这个事件 收到一条消息会出发很多次
mounted() {
    console.log('IM当前会话', this.currentConversation);
    console.log('IM当前聊天记录', this.messageList, this.$store.state);
    // 收到新消息
    this.tim.on(this.TIM.EVENT.MESSAGE_RECEIVED, this.onReceiveMessage)
    this.isCompleted = this.$store.state.conversation.isCompleted;
  },
  
  
  
  
  
    onReceiveMessage({ data: messageList }) {
      //  没搞清楚为啥可以触发这么多次
      console.log('收到消息', messageList);
      console.log('已有消息', this.currentMessageList);
      this.$store.commit('pushCurrentMessageList', messageList);
      this.scrollMessageListToButtom()
    },