diff --git a/site/theme/static/common.less b/site/theme/static/common.less
index 59bb95aa90..a95ea89884 100644
--- a/site/theme/static/common.less
+++ b/site/theme/static/common.less
@@ -107,6 +107,6 @@ a {
   padding: 40px 0;
 }
 
-.drawer-wrapper {
-  height: 100%;
+.drawer {
+  z-index: 1029;
 }
diff --git a/site/theme/static/responsive.less b/site/theme/static/responsive.less
index fce04ef0b7..b33bb2d7ba 100644
--- a/site/theme/static/responsive.less
+++ b/site/theme/static/responsive.less
@@ -221,4 +221,11 @@
       }
     }
   }
+  .drawer {
+    .ant-menu-inline .ant-menu-item:after,
+    .ant-menu-vertical .ant-menu-item:after {
+      left: 0;
+      right: auto;
+    }
+  }
 }