Taro.scanCode({
  onlyFromCamera:true,
  success(res){
    //path: "subPackage_task/taskCate/taskCate?scene=id%3D1"
    const {path} = res;
    console.log('扫码', res);
    Taro.reLaunch({
      url:`/${path}`
    }).catch(()=>'');

  }
}).catch(()=>'');

问题截图如下: