fix（导航栏样式调整）

src/layout/components/Navbar.vue

@@ -445,7 +445,7 @@ export default {
     float: right;
     height: 100%;
     line-height: 50px;
-    width: calc(100% - 350px);
+    width: calc(100% - 400px);
     display: flex;
     &:focus {
       outline: none;