update 优化 统一校验注解长度

ruoyi-auth/src/main/java/org/dromara/auth/form/RegisterBody.java

@@ -19,14 +19,14 @@ public class RegisterBody extends LoginBody {
      * 用户名
      */
     @NotBlank(message = "{user.username.not.blank}")
-    @Length(min = 2, max = 20, message = "{user.username.length.valid}")
+    @Length(min = 2, max = 30, message = "{user.username.length.valid}")
     private String username;
 
     /**
      * 用户密码
      */
     @NotBlank(message = "{user.password.not.blank}")
-    @Length(min = 5, max = 20, message = "{user.password.length.valid}")
+    @Length(min = 5, max = 30, message = "{user.password.length.valid}")
     private String password;
 
     /**