fix: 发货审核异常未回滚导致的脏数据，添加判空操作

gongchunyi

昨天 2aa97d1237b7f720b33f9952f9901ddf7ae9833a

 src/main/java/com/ruoyi/common/constant/HttpStatus.java

@@ -86,4 +86,9 @@
     * 接口未实现

     */

    public static final int NOT_IMPLEMENTED = 501;



    /**

     * 系统警告消息

     */

    public static final int WARN = 601;

}