feats

src/utils/array.js

@@ -21,14 +21,15 @@ export function arr2Tree(arr = [], parent = 'parentId', key = 'key', rootId = '-
   // 挂载父子节点
   const tree = [];
   for (let item of arr) {
+    const node = dict[item[key]];
     const parentNodeId = item[parent];
 
     if (parentNodeId === rootId) {
-      tree.push(dict[item[key]]);
+      tree.push(node);
     } else {
       const parentNode = dict[parentNodeId];
       if (parentNode) {
-        parentNode.children.push(item);
+        parentNode.children.push(node);
       }
     }
   }