diff --git a/src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs b/src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs
index 3fbf92c7..674f60c5 100644
--- a/src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs
+++ b/src/Infrastructure/BotSharp.Core/Users/Services/UserService.cs
@@ -631,7 +631,7 @@ public class UserService : IUserService
         var record = db.GetUserById(curUser.Id);
         var existPhone = db.GetUserByPhone(phone);
 
-        if (record == null || existPhone != null)
+        if (record == null || (existPhone != null && existPhone.RegionCode == regionCode))
         {
             return false;
         }