feat:修改字段类型，由于排序混乱问题处理

ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/SysMenu.java

@@ -29,7 +29,7 @@ public class SysMenu extends BaseEntity
     private Long parentId;
 
     /** 显示顺序 */
-    private String orderNum;
+    private Integer orderNum;
 
     /** 菜单URL */
     private String url;
@@ -97,13 +97,13 @@ public class SysMenu extends BaseEntity
         this.parentId = parentId;
     }
 
-    @NotBlank(message = "显示顺序不能为空")
-    public String getOrderNum()
+    @NotNull(message = "显示顺序不能为空")
+    public Integer getOrderNum()
     {
         return orderNum;
     }
 
-    public void setOrderNum(String orderNum)
+    public void setOrderNum(Integer orderNum)
     {
         this.orderNum = orderNum;
     }