diff --git a/entry/src/main/ets/pages/Index.ets b/entry/src/main/ets/pages/Index.ets
index 4fb607cec4c42a3bf3366cf2aabff1732b44f201..d56654d4ba71720f3e036bdf1d62d3d0355d51c0 100644
--- a/entry/src/main/ets/pages/Index.ets
+++ b/entry/src/main/ets/pages/Index.ets
@@ -25,8 +25,8 @@ import { FileNameList } from '../model/FileNameModel';
 @Entry
 @Component
 struct Index {
-  private sandboxFilesDir: string = getContext(this).filesDir;
-  private resMgr: resourceManager.ResourceManager = getContext().resourceManager;
+  private sandboxFilesDir: string = this.getUIContext().getHostContext()!.filesDir;
+  private resMgr: resourceManager.ResourceManager = this.getUIContext().getHostContext()!.resourceManager;
 
   @Styles
   customButtonStyle() {
@@ -56,7 +56,7 @@ struct Index {
       Button($r('app.string.button_sandbox'))
         .customButtonStyle()
         .onClick(() => {
-          let content = getContext(this).resourceManager
+          let content = this.getUIContext().getHostContext()!.resourceManager
             .getStringSync($r('app.string.file_content_sandbox'));
           FileAccess.transferSandboxPath(this.sandboxFilesDir, content);
           this.customToast(readFile(this.sandboxFilesDir + '/' + FileNameList[0]));
@@ -65,7 +65,7 @@ struct Index {
       Button($r('app.string.button_splice'))
         .customButtonStyle()
         .onClick(() => {
-          let content = getContext(this).resourceManager
+          let content = this.getUIContext().getHostContext()!.resourceManager
             .getStringSync($r('app.string.file_content_splice'));
           FileAccess.splicePath(content);
           this.customToast(readFile(this.sandboxFilesDir + '/' + FileNameList[1]));
@@ -81,13 +81,13 @@ struct Index {
       Button($r('app.string.button_create'))
         .customButtonStyle()
         .onClick(async () => {
-          CreateFileByPicker(getContext(this), FileNameList[3]);
+          CreateFileByPicker(this.getUIContext().getHostContext()!, FileNameList[3]);
         })
 
       Button($r('app.string.button_write'))
         .customButtonStyle()
         .onClick(async () => {
-          let content = getContext(this).resourceManager
+          let content = this.getUIContext().getHostContext()!.resourceManager
             .getStringSync($r('app.string.file_content_picker'));
           await WriteFileByPicker(content).then((value: string) => {
             setTimeout(() => {