diff --git a/CommonEventAndNotification/AlarmClock/README.md b/CommonEventAndNotification/AlarmClock/README.md
index 16af875536d7a32f09ac87421f34ad0f22e12570..48b6f552915a0cd5e192c6bcf268e0d4c96fd1c1 100644
--- a/CommonEventAndNotification/AlarmClock/README.md
+++ b/CommonEventAndNotification/AlarmClock/README.md
@@ -100,9 +100,9 @@
         this.screenHeight = data.height
         // 设置canvas尺寸，竖屏取值为宽高最小值的1/3，横屏取值为宽高最小值的1/4
         this.canvasOnScreenRatio = (this.screenWidth < this.screenHeight ? 3 : 4)
-        this.size = (this.screenWidth < this.screenHeight ? this.screenWidth : this.screenHeight) / this.canvasOnScreenRatio
+        this.canvasSize = (this.screenWidth < this.screenHeight ? this.screenWidth : this.screenHeight) / this.canvasOnScreenRatio
         // 重置原点到canvas画布中间
-        this.context.translate(this.size, this.size / 2)
+        this.context.translate(this.canvasSize, this.canvasSize / 2)
       });
     }
     ```
@@ -111,11 +111,11 @@
 
     ```
     Canvas(this.context)
-      .height(this.size)
+      .height(this.canvasSize)
       .aspectRatio(2.0)
       .onReady(() =>{
         // 获取半径
-        this.radius = this.size / 2 - 2.5
+        this.radius = this.canvasSize / 2 - 2.5
         var that = this
         // 避免时钟闪现，先画一遍
         that.draw()
@@ -136,7 +136,7 @@
     // 开始绘制
     private draw(): void{
       // 清空绘制
-      this.context.clearRect(-this.size, this.size / -2, this.size * 2, this.size)
+      this.context.clearRect(-this.canvasSize, this.canvasSize / -2, this.canvasSize * 2, this.canvasSize)
       // 获取当前时间
       let date = new Date()
       if(this.showClock) {
diff --git a/CommonEventAndNotification/AlarmClock/build-profile.json5 b/CommonEventAndNotification/AlarmClock/build-profile.json5
index a94f9962fabcc697fc1a89d01ff9f0c6320010ce..5110f748cf2402cd9946b02d419cd7494b22af38 100644
--- a/CommonEventAndNotification/AlarmClock/build-profile.json5
+++ b/CommonEventAndNotification/AlarmClock/build-profile.json5
@@ -7,7 +7,7 @@
     "products": [
       {
         "name": "default",
-        "signingConfig": "debug",
+        "signingConfig": "default",
       },
     ],
   },
diff --git a/CommonEventAndNotification/AlarmClock/entry/src/main/ets/pages/index.ets b/CommonEventAndNotification/AlarmClock/entry/src/main/ets/pages/index.ets
index a1ba8e15bd131c966b87241ca76a52e750ff54f3..3e6926d08a3f5b29b43afc927d696dc645b19e94 100644
--- a/CommonEventAndNotification/AlarmClock/entry/src/main/ets/pages/index.ets
+++ b/CommonEventAndNotification/AlarmClock/entry/src/main/ets/pages/index.ets
@@ -1,4 +1,4 @@
-/*
+  /*
  * Copyright (c) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,7 +24,7 @@ struct Index {
   private times: Array<number> = [3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 2] //时间刻度值
   private settings: RenderingContextSettings = new RenderingContextSettings(true)
   private context: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.settings)
-  @State size: number = 0 // canvas宽高
+  @State canvasSize: number = 0 // canvas宽高
   @State canvasOnScreenRatio: number = 3 // 时钟画布是屏幕的几分之一，竖屏：宽度的1/3，此值为3。横屏：高度的1/4，此值为4
   private radius: number = 0 // 半径
   private sixtyParts = Math.PI * 2 / 60 // 60等分
@@ -50,9 +50,9 @@ struct Index {
       this.screenHeight = data.height
       // 设置canvas尺寸，竖屏取值为宽高最小值的1/3，横屏取值为宽高最小值的1/4
       this.canvasOnScreenRatio = (this.screenWidth < this.screenHeight ? 3 : 4)
-      this.size = (this.screenWidth < this.screenHeight ? this.screenWidth : this.screenHeight) / this.canvasOnScreenRatio
+      this.canvasSize = (this.screenWidth < this.screenHeight ? this.screenWidth : this.screenHeight) / this.canvasOnScreenRatio
       // 重置原点到canvas画布中间
-      this.context.translate(this.size, this.size / 2)
+      this.context.translate(this.canvasSize, this.canvasSize / 2)
     });
   }
 
@@ -65,11 +65,11 @@ struct Index {
             .margin({left: 20})
         }.height(80).width('100%').alignItems(HorizontalAlign.Start)
         Canvas(this.context)
-          .height(this.size)
+          .height(this.canvasSize)
           .aspectRatio(2.0)
           .onReady(() =>{
             // 获取半径
-            this.radius = this.size / 2 - 2.5
+            this.radius = this.canvasSize / 2 - 2.5
             var that = this
             // 避免时钟闪现，先画一遍
             that.draw()
@@ -157,7 +157,7 @@ struct Index {
   // 开始绘制
   private draw(): void{
     // 清空绘制
-    this.context.clearRect(-this.size, this.size / -2, this.size * 2, this.size)
+    this.context.clearRect(-this.canvasSize, this.canvasSize / -2, this.canvasSize * 2, this.canvasSize)
     // 获取当前时间
     let date = new Date()
     if(this.showClock) {