bug fixes

src/components/layout/Header.vue

@@ -175,9 +175,9 @@ function handleClick(path: string) {
     padding: 0;
     border-bottom: 0 !important;
   }
-  // .el-sub-menu__icon-arrow {
-  //   display: none;
-  // }
+  .el-sub-menu__icon-arrow {
+    display: none;
+  }
 }
 .sub-menu-popper {
   border: 0 !important;