ok

components/page/productTree.vue

@@ -15,7 +15,7 @@
       </div>
     </h3>
     <div class="search">
-      <Input search placeholder="关键字" v-model="keys" clearable />
+      <Input search placeholder="请输入关键字" v-model="keys" clearable />
     </div>
     <div class="fg">
       <div class="tree">
@@ -108,7 +108,7 @@ export default {
       search(this.keys, items);
       function search(keys, data) {
         data.map(u => {
-          if (keys.length < 3) {
+          if (keys.length < 2) {
             u.expand = expand;
             result.push(u);
           } else {