优化代码

ruoyi-ui/src/layout/components/Sidebar/SidebarItem.vue

@@ -62,11 +62,10 @@ export default {
       const showingChildren = children.filter(item => {
         if (item.hidden) {
           return false
-        } else {
-          // Temp set(will be used if only has one showing child)
-          this.onlyOneChild = item
-          return true
         }
+        // Temp set(will be used if only has one showing child)
+        this.onlyOneChild = item
+        return true
       })
 
       // When there is only one child router, the child router is displayed by default