* add error code add workaround api * add description * add description * Update terror/terror.go Co-authored-by: kennytm <kennytm@gmail.com> * address comment * address comment * move errCodeMap into New * address commney * fix fmt Co-authored-by: kennytm <kennytm@gmail.com> Co-authored-by: lysu <sulifx@gmail.com> Co-authored-by: bb7133 <bb7133@gmail.com>