🎈 perf(购物页面): 添加分页功能]

src/custom-tab-bar/index.tsx

@@ -41,7 +41,7 @@ const CustomTabBar: FC = () => {
   const handleSelectTabItem = (id: TabBarIndexMap[number]['id']) => {
     return () => {
       setSelected(id)
-      Taro.switchTab({ url: tabItem.find(item=>item.id === id)?.pagePath! })
+      Taro.switchTab({ url: tabItem?.find(item=>item.id === id)?.pagePath! })
     }
   }
   const setSelected = (id: TabBarIndexMap[number]['id']) => {
@@ -51,7 +51,7 @@ const CustomTabBar: FC = () => {
   return (
     <View className={styles.customTabBar}>
       <View className={styles['customTabBar-line']}></View>
-      {tabItem.map((item, index) => {
+      {tabItem?.map((item, index) => {
         return (
           <View
             key={index}