Using YaStringLength and YaRequired

src/Yavsc.Server/ViewModels/Manage/VerifyPhoneNumberViewModel.cs

@@ -1,13 +1,14 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Manage
 {
     public class VerifyPhoneNumberViewModel
     {
-        [Required]
+        [YaRequired]
         public string Code { get; set; }
 
-        [Required]
+        [YaRequired]
         [Phone]
         [Display(Name = "Phone number")]
         public string PhoneNumber { get; set; }