重构存款预算

Common/ServiceExtension.cs

@@ -22,6 +22,7 @@ public static class ServiceExtension
     /// </summary>
     public static IServiceCollection AddServices(this IServiceCollection services)
     {
+        services.AddSingleton<IDateTimeProvider, DateTimeProvider>();
         // 扫描程序集
         var serviceAssembly = Assembly.Load("Service");
         var repositoryAssembly = Assembly.Load("Repository");