diff --git a/Src/Dlhis.Basic/Organization/Controllers/GainfoFacesController.cs b/Src/Dlhis.Basic/Organization/Controllers/GainfoFacesController.cs
index 9a695244..519ea32e 100644
--- a/Src/Dlhis.Basic/Organization/Controllers/GainfoFacesController.cs
+++ b/Src/Dlhis.Basic/Organization/Controllers/GainfoFacesController.cs
@@ -44,7 +44,7 @@ public class GainfoFacesController : ControllerBase
     public async Task<string> TestAsync(GainfoFaceValidateRequest request)
     {
         var client = _httpClientFactory.CreateClient("hik-openapi");
-        var body = request.ToJson();
+        var body = request.ToJson(JsonExtensions.DefaultSetting);
         var url = "/artemis/api/frs/v1/application/oneToOne";
         var key = "27390082";
         var secret = "MLl7Dv7p5Pgc9XYI3r4O";