fix: 旧库存进行判空处理

gongchunyi

昨天 83bfb1d99f351371a720c270f20d1eaff0f9d9bc

 src/main/java/com/ruoyi/collaborativeApproval/dto/SealApplicationManagementDTO.java

@@ -8,4 +8,7 @@
    private String createUserName;
    //所属部门
    private String department;

    //审批人
    private String approveUserName;
}