@Override
 public void onFinish() {
   super.onFinish();
   mHttpResponseCallBack.onFinish();
 }
 @Override
 public void onCancel() {
   super.onCancel();
   mHttpResponseCallBack.onCancel();
 }
 @Override
 public void onStart() {
   super.onStart();
   mHttpResponseCallBack.onStart();
 }