修改了删除角色bug

src/main/java/org/rcisoft/pc/pcrole/service/impl/PcRoleServiceImpl.java

@@ -128,10 +128,14 @@ public class PcRoleServiceImpl extends ServiceImpl<PcRoleRepository, PcRole>  im
         int line = baseMapper.deleteById(pcRole);
         //批量逻辑删除角色课程中间表
         List<PcRoleLesson> pcRoleLessonList = pcRoleLessonRepository.selectList(new QueryWrapper<PcRoleLesson>().eq("pc_role_id", pcRole.getBusinessId()));
-        int deleteBatch1 = pcRoleLessonRepository.deleteBatch(pcRoleLessonList);
+        if (pcRoleLessonList.size() > 0){
+          int deleteBatch1 = pcRoleLessonRepository.deleteBatch(pcRoleLessonList);
+        }
         //逻辑删除角色用户中间表
         List<PcRoleUser> pcRoleUserList = pcRoleUserRepository.selectList(new QueryWrapper<PcRoleUser>().eq("pc_role_id", pcRole.getBusinessId()));
-        int deleteBatch2 = pcRoleUserRepository.deleteBatch(pcRoleUserList);
+        if (pcRoleUserList.size()>0){
+            int deleteBatch2 = pcRoleUserRepository.deleteBatch(pcRoleUserList);
+        }
             log.debug(CyUserUtil.getAuthenUsername()+"逻辑删除了ID为"+
                 pcRole.getBusinessId()+"的前台_角色管理信息");
             return new CyPersistModel(line);