修改bug，专题库批量标引产品bug

PAS/src/main/java/cn/cslg/pas/service/impl/StructurePatentServiceImpl.java

@@ -111,16 +111,16 @@ public class StructurePatentServiceImpl extends ServiceImpl<AssoStructurePatentM
         wrapper.eq(AssoStructurePatent::getProjectId, projectId);
         List<AssoStructurePatent> oldAssoStructurePatents = this.list(wrapper);
         if (oldAssoStructurePatents != null && oldAssoStructurePatents.size() > 0) {
-            //遍历查询出来的所有数据，将id改为Null
+            //遍历查询出来的所有数据，将id改为Null（为了集合去重，两个集合的所有属性都相同才能去重）
             for (AssoStructurePatent assoStructurePatent2 : oldAssoStructurePatents) {
                 assoStructurePatent2.setId(null);
             }
         }
 
         //集合去重，去重后留下来的数据即为新增的标引就可以直接入库了
-        boolean flag = newAssoStructurePatents.removeAll(oldAssoStructurePatents);
+        newAssoStructurePatents.removeAll(oldAssoStructurePatents);
         //若有新增的标引则入库
-        if (flag) {
+        if (newAssoStructurePatents.size() > 0) {
             //数据批量插入架构和专利关联表
             log.info("数据批量插入架构和专利关联表");
             this.saveBatch(newAssoStructurePatents);