diff --git a/pkg/gateway/lb/handler/grpc/handler.go b/pkg/gateway/lb/handler/grpc/handler.go
index f6ef4fdb421..f471137bc16 100644
--- a/pkg/gateway/lb/handler/grpc/handler.go
+++ b/pkg/gateway/lb/handler/grpc/handler.go
@@ -130,19 +130,17 @@ func (s *server) exists(ctx context.Context, uuid string) (id *payload.Object_ID
 							target + " deadline_exceeded: " + err.Error())
 					code = codes.DeadlineExceeded
 				default:
-					st, msg, err = status.ParseError(err, codes.NotFound, "error "+vald.ExistsRPCName+" API meta "+uuid+"'s uuid not found",
-						&errdetails.RequestInfo{
-							RequestId:   uuid,
-							ServingData: errdetails.Serialize(meta),
-						},
-						&errdetails.ResourceInfo{
-							ResourceType: errdetails.ValdGRPCResourceTypePrefix + "/vald.v1." + vald.ExistsRPCName,
-							ResourceName: fmt.Sprintf("%s: %s(%s) to %s", apiName, s.name, s.ip, target),
-						})
-					if st != nil {
+					st, ok := status.FromError(err)
+					if ok && st != nil {
 						code = st.Code()
+						if st.Message() != "" {
+							msg = fmt.Sprintf("%s's uuid %s", uuid, st.Message())
+						} else {
+							msg = fmt.Sprintf("%s's uuid not found", uuid)
+						}
 					} else {
 						code = codes.NotFound
+						msg = fmt.Sprintf("%s's uuid not found", uuid)
 					}
 					attrs = trace.FromGRPCStatus(code, msg)
 				}