diff --git a/internal/rpc/chat/user.go b/internal/rpc/chat/user.go
index 057cc6d7..c3fc234a 100644
--- a/internal/rpc/chat/user.go
+++ b/internal/rpc/chat/user.go
@@ -143,7 +143,7 @@ func (o *chatSvr) checkUpdateInfo(ctx context.Context, req *chat.UpdateUserInfoR
 		}
 		_, err := o.Database.TakeCredentialByAccount(ctx, req.Email.GetValue())
 		if err == nil {
-			return eerrs.ErrAccountAlreadyRegister.Wrap()
+			return eerrs.ErrEmailAlreadyRegister.Wrap()
 		} else if !dbutil.IsDBNotFound(err) {
 			return err
 		}
diff --git a/internal/rpc/chat/utils.go b/internal/rpc/chat/utils.go
index b8c1f174..41ebd1bc 100644
--- a/internal/rpc/chat/utils.go
+++ b/internal/rpc/chat/utils.go
@@ -103,7 +103,7 @@ func (o *chatSvr) checkRegisterInfo(ctx context.Context, user *chat.RegisterUser
 		}
 		_, err := o.Database.TakeAttributeByAccount(ctx, user.Email)
 		if err == nil {
-			return eerrs.ErrAccountAlreadyRegister.Wrap()
+			return eerrs.ErrEmailAlreadyRegister.Wrap()
 		} else if !dbutil.IsDBNotFound(err) {
 			return err
 		}