diff --git a/src/Infrastructure/BotSharp.Abstraction/Users/Models/User.cs b/src/Infrastructure/BotSharp.Abstraction/Users/Models/User.cs
index 7ed9c02d..0baa7457 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Users/Models/User.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Users/Models/User.cs
@@ -21,7 +21,7 @@ public class User
     public string Role { get; set; } = UserRole.User;
     public string? VerificationCode { get; set; }
     public bool Verified { get; set; }
-    public string? RegionCode { get; set; }
+    public string RegionCode { get; set; } = "CN";
     public string? AffiliateId { get; set; }
     public string? EmployeeId { get; set; }
     public bool IsDisabled { get; set; }