onLoad(options) {
    wx.connectSocket({ 
      url: 'ws://127.0.0.1:8080/ws/tet',  
      header:{ 
        'content-type': 'application/json'
      },
      success:(res)=>{ 
        // console.log(res)
        console.log("webSocket 连接创建成功")
      } ,
      fail:(err)=>{
        console.log("接口访问失败")
      }
    })
  },