diff --git a/cmdb-ui/src/style/global.less b/cmdb-ui/src/style/global.less
index 327c77d..4c7c399 100644
--- a/cmdb-ui/src/style/global.less
+++ b/cmdb-ui/src/style/global.less
@@ -545,7 +545,8 @@ body {
 .ops-side-bar.ant-menu-light {
   border-right-color: transparent;
   // background: @layout-background-light-color;
-  background: url('../assets/sidebar_background.png');
+  // background: url('../assets/sidebar_background.png');
+  background: #002766;
   // background-position-x: center;
   // background-position-y: center;
   background-repeat: no-repeat !important;
@@ -666,7 +667,8 @@ body {
 .ops-side-bar {
   .ant-menu-submenu.ant-menu-submenu-placement-rightTop {
     > .ant-menu {
-      background: url('../assets/sidebar_background.png');
+      // background: url('../assets/sidebar_background.png');
+      background: #002766;
       background-position-x: center;
       background-position-y: center;
       background-repeat: no-repeat !important;