diff --git a/AppColdStart/README.md b/AppColdStart/README.md
index d6e9ba0dfdd3bb26ad5e5a29c20b6d081b659020..12019e4f8d1d77a273930dc166f6d478a515ba1d 100644
--- a/AppColdStart/README.md
+++ b/AppColdStart/README.md
@@ -32,7 +32,15 @@
 │  └──utils
 │     ├──Calculator.ets                     // 耗时运算函数封装
 │     └──NetRequest.ets                     // 网络请求工具类
-└──entry/src/main/resources                 // 应用资源目录
+├──entry/src/main/resources                 // 应用资源目录
+└──library                                  // 静态资源共享包 
+   ├──src/main/ets/components/mainpage   
+   │  ├──MainPgge.ets                       // 静态资源包首页                          
+   │  └──SubPage.ets                        // 静态资源包次级页面     
+   ├──Index.ets                             // 入口文件，对外暴露模块方法
+   ├──IndexAppStart.ets                     // 拆分导出文件MainPage 
+   ├──IndexOthers.ets                       // 拆分导出文件SubPage 
+   └──src/main/resources                    // 应用静态资源目录
 ```
 
 ### 相关权限
diff --git a/AppColdStart/entry/src/main/ets/pages/ScenariosExample.ets b/AppColdStart/entry/src/main/ets/pages/ScenariosExample.ets
index 30413c44f31241b3a1dc4ab10175bb5503de44e0..b086f51ab5353a9d49ddf31400f637b0aa284afc 100644
--- a/AppColdStart/entry/src/main/ets/pages/ScenariosExample.ets
+++ b/AppColdStart/entry/src/main/ets/pages/ScenariosExample.ets
@@ -19,7 +19,7 @@ import { http } from '@kit.NetworkKit';
 import { image } from '@kit.ImageKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { abilityAccessCtrl, common, Permissions } from '@kit.AbilityKit';
-import { fileIo as fs } from '@kit.CoreFileKit';
+import { fileIo, fileIo as fs } from '@kit.CoreFileKit';
 
 const PERMISSIONS: Array<Permissions> = [
   'ohos.permission.READ_MEDIA',
@@ -83,12 +83,17 @@ struct Index {
   }
 
   async saveImage(buffer: ArrayBuffer | string): Promise<void> {
-    const context = this.getUIContext().getHostContext() as common.UIAbilityContext;
-    const filePath: string = context.cacheDir + '/test.jpg';
-    AppStorage.set('net_picture', filePath);
-    const file = await fs.open(filePath, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
-    await fs.write(file.fd, buffer);
-    await fs.close(file.fd);
+    try {
+      const context:common.UIAbilityContext = this.getUIContext().getHostContext() as common.UIAbilityContext;
+      const filePath: string = context.cacheDir + '/test.jpg';
+      AppStorage.set('net_picture', filePath);
+      const file: fileIo.File = await fs.open(filePath, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+      await fs.write(file.fd, buffer);
+      await fs.close(file.fd);
+    } catch (err) {
+      let error = err as BusinessError;
+      console.error(`onAddForm err, code: ${error.code}, mesage: ${error.message}`);
+    }
   }
 
 
@@ -109,10 +114,9 @@ struct Index {
     }
   }
 
-
   async aboutToAppear(): Promise<void> {
-    const context = this.getUIContext().getHostContext() as common.UIAbilityContext;
-    const atManager = abilityAccessCtrl.createAtManager();
+    const context: common.UIAbilityContext = this.getUIContext().getHostContext() as common.UIAbilityContext;
+    const atManager: abilityAccessCtrl.AtManager = abilityAccessCtrl.createAtManager();
     await atManager.requestPermissionsFromUser(context, PERMISSIONS);
     this.useCachePic(); // Get data from local storage
     this.getPicture(); // Obtain data from the network side
diff --git a/AppColdStart/entry/src/main/ets/utils/Calculator.ets b/AppColdStart/entry/src/main/ets/utils/Calculator.ets
index c860a7b90ba84cf11e52adf30c721254fd6c188f..4a6a84ff999d2fea2450142bef336aa3790fd4c8 100644
--- a/AppColdStart/entry/src/main/ets/utils/Calculator.ets
+++ b/AppColdStart/entry/src/main/ets/utils/Calculator.ets
@@ -1,6 +1,6 @@
 // [Start request_in_home]
 // Calculator.ets
-const LARGE_NUMBER = 100000000;
+const LARGE_NUMBER: number = 100000000;
 
 function computeTask(): number {
   let count: number = 0;
diff --git a/AppColdStart/library/src/main/ets/components/mainpage/SubPage.ets b/AppColdStart/library/src/main/ets/components/mainpage/SubPage.ets
index 467a4a8c4e75b2606af614cd215da55200b85e14..437d9c689926a8268a21907ed2284aac0d4281b7 100644
--- a/AppColdStart/library/src/main/ets/components/mainpage/SubPage.ets
+++ b/AppColdStart/library/src/main/ets/components/mainpage/SubPage.ets
@@ -4,13 +4,14 @@
 const LARGE_NUMBER: number = 10000000;
 
 function computeTask(): number {
-  let count:number = 0;
+  let count: number = 0;
   while (count < LARGE_NUMBER) {
     count++;
   }
   return count;
 }
-let count = computeTask();
+
+computeTask();
 // ...
 // [End not_recommend_demo]
 @Component