fix second修改

Src/Dlhis.Basic/Organization/Services/Implements/GainfoFaceService.cs

@@ -230,7 +230,7 @@ public class GainfoFaceService : IGainfoFaceService
         var face = await _faceDbContext.Queryable<GainfoFaceEntity>().Where(x => x.UserCode == gainfo.Code).SingleAsync();
         if (face != null)
         {
-            ((DateTime.Now - face.ModifiedTime).Seconds > 300).ThrowIfFalse("请勿频繁更新照片,请稍后重试");
+            ((DateTime.Now - face.ModifiedTime).TotalSeconds > 300).ThrowIfFalse("请勿频繁更新照片,请稍后重试");
         }
 
         var userId = _currentUser.GetIntSubjectId();