style:nav选中样式修改

@@ -105,6 +105,10 @@ export default {
   @extend .xuanzhong;
   @extend .xuanzhong;
 }
 }
 
 
+/deep/.el-menu-item.is-active {
+  @extend .xuanzhong;
+}
+
 
 
 .navbar {
 .navbar {
   height: $headerHeight;
   height: $headerHeight;