update Web/src/layout/component/columnsAside.vue.

解决鼠标经过时 字体颜色和背景太接近，无法识别菜单的名称，建议去掉继承，加上背景颜色！

Signed-off-by: jacoat <jacoat@163.com>

Web/src/layout/component/columnsAside.vue

@@ -245,7 +245,8 @@ watch(
 			position: relative;
 			z-index: 1;
 			&:hover {
-				@extend .layout-columns-hover;
+				//@extend .layout-columns-hover;
+                background-color: var(--el-color-primary-light-3);
 			}
 			.columns-vertical {
 				margin: auto;