errMsg: "requestSubscribeMessage:fail No template data return, verify the template id exist", errCode: 20001

wx.requestSubscribeMessage({

        tmplIds: ["VubITm5-bBbv7HdOz13mXAnQ-M6VijkSB9PRap48mfY"],

        success: (res) => {

          if (res['VubITm5-bBbv7HdOz13mXAnQ-M6VijkSB9PRap48mfY'] === 'accept') {

            wx.showToast({

              title: '订阅OK！',

              duration: 1000,

              success(data) {

                //成功

                resolve()

              }

            })

          }

        },

        fail(err) {

          //失败

          console.error(err);

          reject()

        }

      })