wx.onUnhandledRejection((reason)=>{
    console.log('promise报错121212',reason)
  })
testPormise() {
      return new Promise((resolve,reject)=>{
        console.log(bb);
        const aa = 'name';
        if (aa === 'name1') {
          resolve();
        } else {
          reject({message: '1212'});
        }
      });
    },
this.testPormise().then(()=>{});

https://developers.weixin.qq.com/miniprogram/dev/api/base/app/app-event/wx.onUnhandledRejection.html

这样尝试并没有打印出来reason