diff --git a/entry/src/main/ets/pages/AdvertisingPage.ets b/entry/src/main/ets/pages/AdvertisingPage.ets
index 1748f27270a6ef41119f32e3294be1338e080962..aabf542faf917592a9647c858ceb925ee2154d8e 100644
--- a/entry/src/main/ets/pages/AdvertisingPage.ets
+++ b/entry/src/main/ets/pages/AdvertisingPage.ets
@@ -23,12 +23,15 @@ import CommonConstants from '../common/constants/CommonConstants';
 @Entry
 @Component
 struct AdvertisingPage {
+  // 打开广告页后，在onPageShow方法内开始2秒倒计时（用户可手动点击跳过），倒计时结束后跳转到首页。
   @State countDownSeconds: number = CommonConstants.ADVERTISING_COUNT_DOWN_SECONDS;
   private timeId: number = 0;
 
   onPageShow() {
+    // 开启2秒倒计时
     this.timeId = setInterval(() => {
       if (this.countDownSeconds == 0) {
+        // 跳转到首页
         this.jumpToAppHomePage();
       } else {
         this.countDownSeconds--;
@@ -88,12 +91,12 @@ struct AdvertisingPage {
         Column() {
           Text($r('app.string.healthy_life_text'))
             .bottomTextStyle(FontWeight.Bolder,
-            CommonConstants.ADVERTISING_HEALTHY_LIFE_TEXT_SPACING,
+              CommonConstants.ADVERTISING_HEALTHY_LIFE_TEXT_SPACING,
               $r('app.float.advertising_text_title_size'),
               $r('app.color.advertising_text_title_color'))
           Text($r('app.string.healthy_life_introduce'))
             .bottomTextStyle(FontWeight.Normal,
-            CommonConstants.ADVERTISING_TEXT_INTRODUCE_LETTER_SPACING,
+              CommonConstants.ADVERTISING_TEXT_INTRODUCE_LETTER_SPACING,
               $r('app.float.advertising_text_introduce_size'),
               $r('app.color.launcher_text_introduce_color'))
             .opacity($r('app.float.advertising_text_opacity'))
@@ -112,11 +115,13 @@ struct AdvertisingPage {
     .height(CommonConstants.FULL_HEIGHT)
   }
 }
+
 // Bottom text common style.
-@Extend(Text) function bottomTextStyle (fontWeight: number,
+@Extend(Text)
+function bottomTextStyle(fontWeight: number,
   textAttribute: number, fontSize: Resource, fontColor: Resource) {
-    .fontWeight(fontWeight)
-    .letterSpacing(textAttribute)
-    .fontSize(fontSize)
-    .fontColor(fontColor)
-}
+  .fontWeight(fontWeight)
+  .letterSpacing(textAttribute)
+  .fontSize(fontSize)
+  .fontColor(fontColor)
+}
\ No newline at end of file