diff --git a/CloudBuilder.Security.Service/YesNoPolicyService.cs b/CloudBuilder.Security.Service/YesNoPolicyService.cs
index 1e2f841..25e64e9 100644
--- a/CloudBuilder.Security.Service/YesNoPolicyService.cs
+++ b/CloudBuilder.Security.Service/YesNoPolicyService.cs
@@ -1,4 +1,5 @@
 using CloudBuilder.Core.DatabaseAccessor.Entity;
+using CloudBuilder.Core.DependencyInjection.Form;
 using CloudBuilder.Core.Service;
 using CloudBuilder.Security.Data;
 using CloudBuilder.Security.Entity;
@@ -6,6 +7,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.DependencyInjection;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -27,7 +29,7 @@ namespace CloudBuilder.Security.Service
         [HttpPost]
         public SelectOption[] FindSelectOption(bool blank)
         {
-            YesNoPolicy policy = YesNoPolicy.GetInstance();
+            YesNoPolicy policy = service.ServiceProvider.GetKeyedService<YesNoPolicy>(typeof(YesNoPolicy).Name);
             string[] values = policy.GetValues();
             List<SelectOption> l = new List<SelectOption>();