diff --git a/pages/tabBar/API.uvue b/pages/tabBar/API.uvue
index 5129fe25bb444b29d3e139c66cbd17d545f81da1..c78c13bce924f093cd248abaa42dcd6933c5c409 100644
--- a/pages/tabBar/API.uvue
+++ b/pages/tabBar/API.uvue
@@ -30,7 +30,7 @@
               <uni-collapse-item :title="childMenuItem.name" class="item"
                 style="margin-bottom: 0; padding-left: 5px; padding-right: 5px">
                 <view style="padding-left: 18px" class="uni-navigate-item" hover-class="is--active"
-                  v-for="grandChildMenuItem in childMenuItem.items" :key="grandChildMenuItem!.path"
+                  v-for="grandChildMenuItem in childMenuItem.items" :key="grandChildMenuItem.path"
                   @click="goPage(`/${grandChildMenuItem.path}`)">
                   <text class="uni-navigate-text" :class="{
                       'left-win-active':