diff --git a/modules/users/src/Volo.Abp.Users.Domain.Shared/Volo/Abp/Users/AbpUserConsts.cs b/modules/users/src/Volo.Abp.Users.Domain.Shared/Volo/Abp/Users/AbpUserConsts.cs
index ee37c6c9f4..efbd2e02b2 100644
--- a/modules/users/src/Volo.Abp.Users.Domain.Shared/Volo/Abp/Users/AbpUserConsts.cs
+++ b/modules/users/src/Volo.Abp.Users.Domain.Shared/Volo/Abp/Users/AbpUserConsts.cs
@@ -2,14 +2,29 @@ namespace Volo.Abp.Users
 {
     public class AbpUserConsts
     {
+        /// <summary>
+        /// Default value: 256
+        /// </summary>
         public static int MaxUserNameLength { get; set; } = 256;
         
+        /// <summary>
+        /// Default value: 64
+        /// </summary>
         public static int MaxNameLength { get; set; } = 64;
         
+        /// <summary>
+        /// Default value: 64
+        /// </summary>
         public static int MaxSurnameLength { get; set; } = 64;
 
+        /// <summary>
+        /// Default value: 256
+        /// </summary>
         public static int MaxEmailLength { get; set; } = 256;
 
+        /// <summary>
+        /// Default value: 16
+        /// </summary>
         public static int MaxPhoneNumberLength { get; set; } = 16;
     }
 }
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