aside组件样式优化

src/framework/material/aside.vue

@@ -59,7 +59,7 @@ export default {
       cursor: pointer;
       line-height: 48px;
       height: 48px;
-      color: #323233;
+      color: #969799;
       font-size: 16px;
       &:hover, &.router-link-exact-active,
       &.router-link-active {