fix example

Signed-off-by: Nwzztoone <wangzezhen@huawei.com>
Change-Id: I13ab8e512ac0c6fcd184e74fc0c2b5b167946986

zh-cn/application-dev/reference/arkui-ts/ts-container-tabcontent.md

@@ -75,31 +75,31 @@ struct TabContentExample  {
     Column() {
       Tabs({ barPosition: BarPosition.End, controller: this.controller }) {
         TabContent() {
-          Flex({justifyContent: FlexAlign.Center})) {
+          Flex({justifyContent: FlexAlign.Center}) {
             Text('Tab1').fontSize(32)
           }
         }.tabBar(this.TabBuilder(0))
 
         TabContent() {
-          Flex({justifyContent: FlexAlign.Center})) {
+          Flex({justifyContent: FlexAlign.Center}) {
             Text('Tab2').fontSize(32)
           }
         }.tabBar(this.TabBuilder(1))
 
         TabContent() {
-          Flex({justifyContent: FlexAlign.Center})) {
+          Flex({justifyContent: FlexAlign.Center}) {
             Text('Add').fontSize(32)
           }
         }.tabBar(this.AddBuilder())
 
         TabContent() {
-          Flex({justifyContent: FlexAlign.Center})) {
+          Flex({justifyContent: FlexAlign.Center}) {
             Text('Tab3').fontSize(32)
           }
         }.tabBar(this.TabBuilder(3))
 
         TabContent() {
-          Flex({justifyContent: FlexAlign.Center})) {
+          Flex({justifyContent: FlexAlign.Center}) {
             Text('Tab4').fontSize(32)
           }
         }.tabBar(this.TabBuilder(4))