fix: 旧库存进行判空处理

gongchunyi

昨天 83bfb1d99f351371a720c270f20d1eaff0f9d9bc

 src/main/java/com/ruoyi/approve/service/IApproveNodeService.java

@@ -17,5 +17,5 @@

    void updateApproveNode(ApproveNode approveNode) throws IOException;

    void delApproveNodeByApproveId(Long id);
    void delApproveNodeByApproveId(String id);
}