diff --git a/src/layout/components/AppMain.vue b/src/layout/components/AppMain.vue
index 78ad2d800..3439249df 100644
--- a/src/layout/components/AppMain.vue
+++ b/src/layout/components/AppMain.vue
@@ -46,10 +46,4 @@ export default {
 </style>
 
 <style lang="scss">
-// fix css style bug in open el-dialog
-.el-popup-parent--hidden {
-  .fixed-header {
-    padding-right: 15px;
-  }
-}
 </style>