fix(approve): 修复审批流程为空时的异常处理

liyong

2026-04-30 c2ad2126d6f8423e0a5e6e20bbb91ef6bb1cffc0

 src/main/java/com/ruoyi/stock/dto/StockInRecordDto.java

@@ -25,4 +25,5 @@

    //现存量
    private String currentStock;

}