fixed fd43a15d from https://gitee.com/yamila89/docs/pulls/15035

update zh-cn/application-dev/ui/ui-ts-animation-feature.md.
Signed-off-by: N田雨 <tianyu55@huawei.com>

zh-cn/application-dev/ui/ui-ts-animation-feature.md

@@ -99,7 +99,7 @@
       .opacity(this.opacityValue)
       .onAppear(() => {
         animateTo({
-         duration: 2000, 
+         duration: 1000, 
          curve: this.curve1, 
          delay: 100, 
         }, () => {