diff --git a/frontend/src/pages/sys-admin/statistic/statistic-traffic-orgs.js b/frontend/src/pages/sys-admin/statistic/statistic-traffic-orgs.js
index 64204c8dbf..b155d96e82 100644
--- a/frontend/src/pages/sys-admin/statistic/statistic-traffic-orgs.js
+++ b/frontend/src/pages/sys-admin/statistic/statistic-traffic-orgs.js
@@ -74,7 +74,7 @@ class OrgsTraffic extends React.Component {
 
   getTrafficList = (month, page) => {
     const { perPage, sortBy, sortOrder } = this.state;
-    const orderBy = `${sortBy}_${sortOrder}`;
+    const orderBy = sortOrder == 'asc' ? sortBy : `${sortBy}_${sortOrder}`;
     this.setState({isLoading: true, errorMessage: ''});
     seafileAPI.sysAdminListOrgTraffic(month, page, perPage, orderBy).then(res => {
       let orgTrafficList = res.data.org_monthly_traffic_list.slice(0);
diff --git a/frontend/src/pages/sys-admin/statistic/statistic-traffic-users.js b/frontend/src/pages/sys-admin/statistic/statistic-traffic-users.js
index 8988c64887..8e8ad2cb5c 100644
--- a/frontend/src/pages/sys-admin/statistic/statistic-traffic-users.js
+++ b/frontend/src/pages/sys-admin/statistic/statistic-traffic-users.js
@@ -74,7 +74,7 @@ class UsersTraffic extends React.Component {
 
   getTrafficList = (month, page) => {
     const { perPage, sortBy, sortOrder } = this.state;
-    const orderBy = `${sortBy}_${sortOrder}`;
+    const orderBy = sortOrder == 'asc' ? sortBy : `${sortBy}_${sortOrder}`;
     this.setState({
       isLoading: true,
       errorMessage: ''