fixed 09a9c095 from https://gitee.com/HelloCrease/docs/pulls/5053

update zh-cn/application-dev/ui/ts-component-based-styles.md.
Signed-off-by: NLiAn <lian15@huawei.com>

zh-cn/application-dev/ui/ts-component-based-styles.md

@@ -48,7 +48,7 @@ struct FancyUse {
 @Entry
 @Component
 struct FancyUse {
-  @Styles function componentFancy() {
+  @Styles componentFancy() {
     .width(50)
     .height(50)
   }