fix #1593 (#1616)

src/utils/utils.js

@@ -123,11 +123,10 @@ function getRenderArr(routes) {
   let renderArr = [];
   renderArr.push(routes[0]);
   for (let i = 1; i < routes.length; i += 1) {
-    let isAdd = false;
-    // 是否包含
-    isAdd = renderArr.every(item => getRelation(item, routes[i]) === 3);
     // 去重
     renderArr = renderArr.filter(item => getRelation(item, routes[i]) !== 1);
+    // 是否包含
+    const isAdd = renderArr.every(item => getRelation(item, routes[i]) === 3);
     if (isAdd) {
       renderArr.push(routes[i]);
     }