update 优化 整体代码结构

src/assets/styles/element-ui.scss

@@ -78,8 +78,6 @@
   overflow-x: hidden;
 }
 
-
-
 // refine element ui upload
 .upload-container {
   .el-upload {
@@ -109,10 +107,10 @@
   box-sizing: content-box;
 }
 
-.el-menu--collapse>div>.el-submenu>.el-submenu__title .el-submenu__icon-arrow {
+.el-menu--collapse > div > .el-submenu > .el-submenu__title .el-submenu__icon-arrow {
   display: none;
 }
 
 .el-dropdown .el-dropdown-link {
   color: var(--el-color-primary) !important;
-}
+}

src/assets/styles/index.scss

@@ -26,7 +26,8 @@ html {
   box-sizing: border-box;
 }
 
-html.dark .svg-icon, html.dark svg {
+html.dark .svg-icon,
+html.dark svg {
   fill: var(--el-text-color-regular);
 }