diff --git a/renren-admin/src/main/resources/db/V2.5__tb_data_resource_addcol.sql b/renren-admin/src/main/resources/db/V2.5__tb_data_resource_addcol.sql
index 48d3bf0e..01032f16 100644
--- a/renren-admin/src/main/resources/db/V2.5__tb_data_resource_addcol.sql
+++ b/renren-admin/src/main/resources/db/V2.5__tb_data_resource_addcol.sql
@@ -6,6 +6,4 @@ SET tb_data_resource.total = round(tb_data_resource_assignmark.total)
 WHERE
 	tb_data_resource.id = tb_data_resource_assignmark.id;
 
-
---alter table `tb_resource_collection` drop index `total`;
 alter table `tb_data_resource`ADD INDEX `total`(`total` DESC) USING BTREE;
\ No newline at end of file