diff --git a/asg_form/Controllers/login.cs b/asg_form/Controllers/login.cs
index a89fe12..89bf138 100644
--- a/asg_form/Controllers/login.cs
+++ b/asg_form/Controllers/login.cs
@@ -205,7 +205,7 @@ namespace asg_form.Controllers
                     }
                     else
                     {
-                        return BadRequest(new error_mb { code = 400, message = "邮箱已被注册" });
+                        return BadRequest(new error_mb { code = 400, message = "用户名重复" });
                     }
                 }
                 else