diff --git a/labs/Teacher/TeacherExt/Models/EditTeacherModel.cs b/labs/Teacher/TeacherExt/Models/EditTeacherModel.cs
index f4f109d2..d5f9aa20 100644
--- a/labs/Teacher/TeacherExt/Models/EditTeacherModel.cs
+++ b/labs/Teacher/TeacherExt/Models/EditTeacherModel.cs
@@ -89,7 +89,7 @@ namespace TeacherExt.Models
         public string NativePlace { get; set; }
 
         [SkipSearch, SkipList]
-        [DataType(DataType.PhoneNumber)]
+        [RegularExpression(@"(^$|^\d{7}$|^\d{11}$)",ErrorMessage ="电话号码格式错误")]
         [Display(Order = 90, Name = "联系电话")]
         public string PhoneNumber { get; set; }