diff --git a/NetworkReconnection/entry/src/main/ets/pages/HTTPReconnection.ets b/NetworkReconnection/entry/src/main/ets/pages/HTTPReconnection.ets
index 99a1989ce7d40c5c7823eb69de9313589a8153e8..79a8d8ef1080b535cdb9c2eb9155a6f759774218 100644
--- a/NetworkReconnection/entry/src/main/ets/pages/HTTPReconnection.ets
+++ b/NetworkReconnection/entry/src/main/ets/pages/HTTPReconnection.ets
@@ -103,7 +103,7 @@ export struct HTTPReconnection {
       });
 
       this.httpRequest.on('dataEnd', () => {
-        promptAction.showToast({ message: $r('app.string.download_success') });
+        this.getUIContext().getPromptAction().showToast({ message: $r('app.string.download_success') });
         this.downloadSize = 0;
         this.contentLength = 0;
         fs.closeSync(file);
@@ -135,7 +135,8 @@ export struct HTTPReconnection {
         });
     } catch (err) {
       this.isDownload = false;
-      promptAction.showToast({ message: "Download Error" });
+      this.getUIContext().getPromptAction().showToast({ message: $r('app.string.download_error') });
+      this.getUIContext().getPromptAction().showToast({ message: "Download Error" });
       return;
     }
   }
diff --git a/NetworkReconnection/entry/src/main/ets/pages/RCPReconnection.ets b/NetworkReconnection/entry/src/main/ets/pages/RCPReconnection.ets
index f003321e73940f215c0157c80f51f90bf80e6603..cfa194f5e455d58def6eb5a2543be5ef6bae666e 100644
--- a/NetworkReconnection/entry/src/main/ets/pages/RCPReconnection.ets
+++ b/NetworkReconnection/entry/src/main/ets/pages/RCPReconnection.ets
@@ -129,7 +129,7 @@ export struct RCPReconnection {
                 fs.writeSync(file.fd, response.body);
                 fs.closeSync(file);
                 this.isDownload = false;
-                promptAction.showToast({ message: $r('app.string.download_success') });
+                this.getUIContext().getPromptAction().showToast({ message: $r('app.string.download_success') });
               } catch (err) {
                 Logger.info(JSON.stringify(err));
               } finally {
@@ -156,7 +156,8 @@ export struct RCPReconnection {
           }
         })
     } catch (err) {
-      promptAction.showToast({ message: "Download Error" });
+      this.getUIContext().getPromptAction().showToast({ message: $r('app.string.download_error') });
+      this.getUIContext().getPromptAction().showToast({ message: "Download Error" });
       this.isDownload = false;
       return;
     }
diff --git a/NetworkReconnection/entry/src/main/ets/pages/SocketReconnection.ets b/NetworkReconnection/entry/src/main/ets/pages/SocketReconnection.ets
index c5bf10dcd83f900f17b50600ff80a8a7976bc84b..566dd7cdb711caa8f90fedaba45a41bc603b0cba 100644
--- a/NetworkReconnection/entry/src/main/ets/pages/SocketReconnection.ets
+++ b/NetworkReconnection/entry/src/main/ets/pages/SocketReconnection.ets
@@ -118,7 +118,8 @@ export struct SocketReconnection {
 
   tcpSocketConnect() {
     if (!this.netAvailable) {
-      promptAction.showToast({ message: "Connect error" });
+      this.getUIContext().getPromptAction().showToast({ message: $r('app.string.connect_error') });
+      this.getUIContext().getPromptAction().showToast({ message: "Connect error" });
       return;
     }
 
@@ -141,7 +142,8 @@ export struct SocketReconnection {
     this.tcp.bind(clientIpAddress, (err: BusinessError) => {
       if (err) {
         Logger.error('bind fail' + JSON.stringify(err));
-        promptAction.showToast({ message: "Connect error" });
+        this.getUIContext().getPromptAction().showToast({ message: $r('app.string.connect_error') });
+        this.getUIContext().getPromptAction().showToast({ message: "Connect error" });
         return;
       }
 
@@ -155,7 +157,8 @@ export struct SocketReconnection {
       this.tcp?.connect(tcpConnect, (err: BusinessError) => {
         if (err) {
           Logger.error('connect fail');
-          promptAction.showToast({ message: "Connect error" });
+          this.getUIContext().getPromptAction().showToast({ message: $r('app.string.connect_error') });
+          this.getUIContext().getPromptAction().showToast({ message: "Connect error" });
           return;
         }
       });
@@ -169,7 +172,7 @@ export struct SocketReconnection {
 
   socketDownloadFile() {
     if (!this.netAvailable) {
-      promptAction.showToast({ message: $r('app.string.net_lost') });
+      this.getUIContext().getPromptAction().showToast({ message: $r('app.string.net_lost') });
       return;
     }
     this.isDownload = true;
@@ -233,7 +236,7 @@ export struct SocketReconnection {
         fs.writeSync(file.fd, this.receivedDataBuf.subarray(8 + i * (1024 * 1024 + 8), this.receivedDataLen).buffer,
           { offset: offset });
         fs.close(file);
-        promptAction.showToast({ message: $r('app.string.download_success') });
+        this.getUIContext().getPromptAction().showToast({ message: $r('app.string.download_success') });
         this.stateInit();
       }
     }
diff --git a/ServerSocket/entry/src/main/ets/pages/ServerSocketPage.ets b/ServerSocket/entry/src/main/ets/pages/ServerSocketPage.ets
index 9726939f43ee987c2c106b433df7ad1904747b56..751cf2c85db3ae63f900544015d33dbd2ed0e6ff 100644
--- a/ServerSocket/entry/src/main/ets/pages/ServerSocketPage.ets
+++ b/ServerSocket/entry/src/main/ets/pages/ServerSocketPage.ets
@@ -115,7 +115,7 @@ struct ServerSocketPage {
     };
 
     wantAgent.getWantAgent(wantAgentInfo).then((wantAgentObj: WantAgent) => {
-      backgroundTaskManager.startBackgroundRunning(getContext(this),
+      backgroundTaskManager.startBackgroundRunning(this.getUIContext().getHostContext(),
         backgroundTaskManager.BackgroundMode.DATA_TRANSFER, wantAgentObj).then(() => {
         this.connectInit();
         Logger.info(`Succeeded in operationing startBackgroundRunning.`);
@@ -126,7 +126,7 @@ struct ServerSocketPage {
   }
 
   stopContinuousTask() {
-    backgroundTaskManager.stopBackgroundRunning(getContext(this)).then(() => {
+    backgroundTaskManager.stopBackgroundRunning(this.getUIContext().getHostContext()).then(() => {
       Logger.info(`Succeeded in operationing stopBackgroundRunning.`);
     }).catch((err: BusinessError) => {
       Logger.error(`Failed to operation stopBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
@@ -142,11 +142,11 @@ struct ServerSocketPage {
         return;
       }
       this.isListen = true;
-      promptAction.showToast({ message: $r('app.string.tcp_server_listen_tips') });
+      this.getUIContext().getPromptAction().showToast({ message: $r('app.string.tcp_server_listen_tips') });
       this.tcpServer.on('connect', (client: socket.TCPSocketConnection) => {
         Logger.info('on connect success');
         this.isSend = true;
-        promptAction.showToast({ message: $r('app.string.tcp_server_connect_tips') });
+        this.getUIContext().getPromptAction().showToast({ message: $r('app.string.tcp_server_connect_tips') });
         this.socketClient = client;
         this.socketClient.on('close', () => {
           Logger.info('on close success');
@@ -164,7 +164,8 @@ struct ServerSocketPage {
 
   async sendFile() {
     try {
-      const mediaBuffer: Uint8Array = await getContext(this).resourceManager.getMediaContent($r('app.media.Video'));
+      const mediaBuffer: Uint8Array =
+        await this.getUIContext().getHostContext()!.resourceManager.getMediaContent($r('app.media.Video'));
       let tcpSendOptions: socket.TCPSendOptions = {} as socket.TCPSendOptions;
       // slice size: 1024 * 1024
       const sendNum = Math.floor(mediaBuffer.byteLength / (1024 * 1024));
@@ -191,7 +192,7 @@ struct ServerSocketPage {
             Logger.error('send fail' + JSON.stringify(err));
             return;
           }
-          promptAction.showToast({ message: $r('app.string.message_send_tips') });
+          this.getUIContext().getPromptAction().showToast({ message: $r('app.string.message_send_tips') });
         });
       }
     } catch (err) {