小优化

server/admin/internal/modules/regionblock/service.go

@@ -19,10 +19,10 @@ import (
 )
 
 const (
-	maxRegionBlockKeywords      = 200
-	maxRegionBlockKeywordLength = 128
-	maxIPWhitelistItems         = 500
-	maxUserWhitelistItems       = 500
+	maxRegionBlockKeywords       = 200
+	maxRegionBlockKeywordLength  = 128
+	maxIPWhitelistItems          = 500
+	maxUserWhitelistItems        = 500
 	maxUserWhitelistLookupLength = 64
 )
 
@@ -282,7 +282,10 @@ func (s *Service) normalizeUserIDWhitelist(ctx context.Context, requestID string
 			return nil, errInvalidPayload
 		}
 		userID, err := s.resolveWhitelistUserID(ctx, requestID, value)
-		if err != nil || userID <= 0 {
+		if err != nil {
+			return nil, err
+		}
+		if userID <= 0 {
 			return nil, errInvalidPayload
 		}
 		if _, ok := seen[userID]; ok {

server/admin/internal/modules/regionblock/service_test.go

@@ -17,6 +17,7 @@ type fakeWhitelistCacheUserClient struct {
 
 	called     bool
 	err        error
+	resolveErr error
 	users      map[int64]*userclient.User
 	identities map[string]*userclient.UserIdentity
 }
@@ -36,6 +37,9 @@ func (f *fakeWhitelistCacheUserClient) ResolveDisplayUserID(_ context.Context, r
 	if req.RequestID != "req-refresh" || req.Caller != "admin-server" {
 		return nil, errors.New("unexpected resolve request")
 	}
+	if f.resolveErr != nil {
+		return nil, f.resolveErr
+	}
 	if identity := f.identities[req.DisplayUserID]; identity != nil {
 		return identity, nil
 	}
@@ -81,6 +85,18 @@ func TestNormalizeUserIDWhitelistRejectsInvalidID(t *testing.T) {
 	}
 }
 
+func TestNormalizeUserIDWhitelistKeepsUserServiceError(t *testing.T) {
+	upstreamErr := status.Error(codes.Unavailable, "user-service unavailable")
+	service := NewService(nil, &fakeWhitelistCacheUserClient{resolveErr: upstreamErr})
+	_, err := service.normalizeUserIDWhitelist(context.Background(), "req-refresh", []string{"VIP2026"})
+	if !errors.Is(err, upstreamErr) {
+		t.Fatalf("normalize error = %v, want upstream error", err)
+	}
+	if errors.Is(err, errInvalidPayload) {
+		t.Fatalf("normalize error = %v, should not be mapped to invalid payload", err)
+	}
+}
+
 func TestRefreshWhitelistCacheMapsUserServiceError(t *testing.T) {
 	client := &fakeWhitelistCacheUserClient{err: errors.New("rpc down")}
 	service := NewService(nil, client)