diff --git a/server/service/pay.go b/server/service/pay.go
index 0880190..5d998bf 100644
--- a/server/service/pay.go
+++ b/server/service/pay.go
@@ -49,10 +49,12 @@ func (p *Pay) AlipayAuth(sess *session.AdminSession, authCode, state string) (st
 	session.CheckDBError(err)
 	session.CheckNilError(staffUser)
 	payee := staffUser.GetPayee()
+	oldUid := payee.AlipayUid
 	payee.AlipayUid = res.UserId
 	staffUser.Payee = goutil.EncodeJSON(payee)
 	err = dao.NewStaffUserDao().Update(staffUser)
 	session.CheckDBError(err)
+	log.Errorf("staffuser[%d] alipayUid[%s]->alipayUid[%s]", staffUser.Id, oldUid, res.UserId)
 	return res.UserId, staffUser
 }