用户长度校验更改

@@ -24,7 +24,7 @@ public class USERS implements UserDetails {
     private Integer userId;
 
     @NotBlank(message="用户名不能为空",groups={InsertUser.class, UpdateUser.class})
-    @Length(min = 1, max = 11, message = "username 长度必须在 {min} - {max} 之间",groups={InsertUser.class, UpdateUser.class})
+    @Length(min = 1, max = 18, message = "username 长度必须在 {min} - {max} 之间",groups={InsertUser.class, UpdateUser.class})
     @CheckUserExist(message = "用户已存在",groups=InsertUser.class)
     private String username;