diff --git a/renren-admin/src/main/java/io/renren/modules/resource/service/impl/ResourceServiceImpl.java b/renren-admin/src/main/java/io/renren/modules/resource/service/impl/ResourceServiceImpl.java
index 40ad4a9e..53228125 100644
--- a/renren-admin/src/main/java/io/renren/modules/resource/service/impl/ResourceServiceImpl.java
+++ b/renren-admin/src/main/java/io/renren/modules/resource/service/impl/ResourceServiceImpl.java
@@ -683,7 +683,9 @@ public class ResourceServiceImpl extends CrudServiceImpl<ResourceDao, ResourceEn
         resourceDao.update(entity, updateWrapper);
 
         Integer num = jdbcTemplate.queryForObject("SELECT round(tb_data_resource_assignmark.total) FROM tb_data_resource_assignmark WHERE id =" + id, Integer.class);
-
+        if (num == null) {
+            return;
+        }
         String sql = String.format("update tb_data_resource SET total = %d WHERE id = %s", num.intValue(), id.toString());
         jdbcTemplate.update(sql);