新增表结构

distributed-print-business/src/main/java/com/qmth/distributed/print/business/service/GradeBatchPaperService.java

@@ -1,6 +1,7 @@
 package com.qmth.distributed.print.business.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.qmth.distributed.print.business.entity.GradeBatchPaper;
 
 /**
  * <p>