diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/README_zh.md b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/README_zh.md
index 8ac7552432f4590dd73d8845a9699bc54cf4b2da..7139ec22084ec5c12c2213b3a760b77e728073ee 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/README_zh.md
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/README_zh.md
@@ -1,10 +1,10 @@
-# 录屏 Sample
+# 录屏Sample
 
 ## 介绍
-录屏 Sample 调用了媒体 AVScreenCapture 组件提供的接口能力，提供屏幕捕获的功能，包含：
+录屏Sample调用了媒体AVScreenCapture组件提供的接口能力，提供屏幕捕获的功能，包含：
 - 录屏存文件
 - 录屏取原始码流
-- 录屏取原始码流 Surface 模式
+- 录屏取原始码流Surface模式
 
 ## 效果预览
 | 获取录音权限               | 应用主界面                | 隐私弹窗                 | 录制过程界面               |
@@ -14,18 +14,18 @@
 使用说明
 
 1. 启动应用，首次启动需要用户授予访问麦克风的权限。
-2. 选择对应的功能页签，点击 Start 按钮，启动屏幕录制。
+2. 选择对应的功能页签，点击Start按钮，启动屏幕录制。
 3. 启动录制后会弹出隐私弹窗，告知用户将被录屏。
 4. 选择允许后，启动录制后会弹出录制悬浮胶囊，并显示录制时间计时，此时可以操作屏幕，屏幕上的操作过程会被录制下来。
 5. 需要停止录屏时，点击应用停止按钮或点击悬浮半透明的红色按钮，屏幕录制停止。
-6. 录屏存储的文件保存在沙箱目录。
+6. 录屏存储的文件保存在沙箱目录，录制结果与设备支持的编码格式有关。
 
 ## 工程目录
 
 仓目录结构如下：
 
 ```
-entry/src/main          # 录屏demo业务代码
+entry/src/main          # 录屏Sample业务代码
 │  module.json5             # 编译相关文件
 ├─cpp                       # ndk相关文件
 │  │  CMakeLists.txt
@@ -39,13 +39,13 @@ entry/src/main          # 录屏demo业务代码
 ├─ets                       # 页面相关实现
 │  ├─entryability
 │  ├─entrybackupability
-│  └─pages                      # ets 页面实现
+│  └─pages                      # ets页面实现
 │          Index.ets                # 首页 
 │          Menu.ets                 # 列表文件
 │          Scene1.ets               # 录屏存文件场景
 │          Scene2.ets               # 录屏取码流场景
 │          Scene3.ets               # 录屏取码流Surface场景
-│          Scene4.ets               # 其他场景
+│          Scene4.ets               # 录屏存文件js接口
 │
 └─resources                 # 资源文件
 ```
@@ -53,7 +53,9 @@ entry/src/main          # 录屏demo业务代码
 ## 相关权限
 
 ohos.permission.MICROPHONE
+
 ohos.permission.KEEP_BACKGROUND_RUNNING
+
 ohos.permission.WRITE_MEDIA
 
 ## 依赖
@@ -76,6 +78,6 @@ ohos.permission.WRITE_MEDIA
 git init
 git config core.sparsecheckout true
 echo code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/ > .git/info/sparse-checkout
-git remote add origin OpenHarmony/applications_app_samples
+git remote add origin https://gitee.com/openharmony/applications_app_samples.git
 git pull origin master
 ```
\ No newline at end of file
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/build-profile.json5 b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/build-profile.json5
index 01bed8940ff6f2d5843f8d1d7e184725f59be699..6125a7467db0b8ece6e5cbf1fabff87bbdcc3999 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/build-profile.json5
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/build-profile.json5
@@ -20,6 +20,10 @@
       "path": "./src/main/cpp/CMakeLists.txt",
       "arguments": "",
       "cppFlags": "",
+      "abiFilters": [
+        "armeabi-v7a",
+        "arm64-v8a"
+      ]
     }
   },
   "buildOptionSet": [
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/muxer.cpp b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/muxer.cpp
index 83b830fbd2ab50726f8d62cf5a35291f5f06426d..6eeb60c28671e04b4776ea22f81113ae40f982e3 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/muxer.cpp
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/muxer.cpp
@@ -37,7 +37,7 @@ int32_t Muxer::Create(int32_t fd)
 
 int32_t Muxer::Config(SampleInfo &sampleInfo)
 {
-    OH_LOG_INFO(LOG_APP, "==DEMO== Config");
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== Config");
     OH_AVFormat *formatVideo = OH_AVFormat_CreateVideoFormat(sampleInfo.codecMime.data(),
         sampleInfo.videoWidth, sampleInfo.videoHeight);
 
@@ -48,7 +48,7 @@ int32_t Muxer::Config(SampleInfo &sampleInfo)
     
     int32_t ret = OH_AVMuxer_AddTrack(muxer_, &videoTrackId_, formatVideo);
     OH_AVFormat_Destroy(formatVideo);
-    OH_LOG_INFO(LOG_APP, "==DEMO== Config End");
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== Config End");
     return 0;
 }
 
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/napi_init.cpp
index 999058144c72cf0fa80c3f5b33a1e7707820b41c..27b60e4b76f1819e71bb7a8cffef959d6e96e87a 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/napi_init.cpp
@@ -16,51 +16,29 @@
 #include "main.h"
 
 using namespace std;
-#define LOG_TAG "MY_TAG"
+#define LOG_TAG "ScreenCaptureSample"
 
-static napi_value Add(napi_env env, napi_callback_info info) {
-    size_t requireArgc = 2;
-    size_t argc = 2;
-    napi_value args[2] = {nullptr};
-
-    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
-
-    napi_valuetype valuetype0;
-    napi_typeof(env, args[0], &valuetype0);
-
-    napi_valuetype valuetype1;
-    napi_typeof(env, args[1], &valuetype1);
-
-    double value0;
-    napi_get_value_double(env, args[0], &value0);
-
-    double value1;
-    napi_get_value_double(env, args[1], &value1);
-
-    napi_value sum;
-    napi_create_double(env, value0 + value1, &sum);
-    return sum;
-}
-
-void OpenFile(std::string filename_) {
-    snprintf(filename, sizeof(filename), "data/storage/el2/base/files/MIC_%s.pcm", filename_.c_str());
-    micFile_ = fopen(filename, "wb");
+void OpenFile(std::string fileName)
+{
+    std::string filePath = "data/storage/el2/base/files/MIC_" + fileName + ".pcm";
+    micFile_ = fopen(filePath.c_str(), "wb");
     if (micFile_ == nullptr) {
-        // OH_LOG_ERROR(LOG_APP, "OpenFile micFile_ audio open failed. %{public}s", strerror(errno));
+        OH_LOG_ERROR(LOG_APP, "OpenFile micFile_ audio open failed. %{public}s", strerror(errno));
     }
-    snprintf(filename, sizeof(filename), "data/storage/el2/base/files/INNER_%s.pcm", filename_.c_str());
-    innerFile_ = fopen(filename, "wb");
+    filePath = "data/storage/el2/base/files/INNER_" + fileName + ".pcm";
+    innerFile_ = fopen(filePath.c_str(), "wb");
     if (innerFile_ == nullptr) {
-        // OH_LOG_ERROR(LOG_APP, "OpenFile innerFile_ audio open failed. %{public}s", strerror(errno));
+        OH_LOG_ERROR(LOG_APP, "OpenFile innerFile_ audio open failed. %{public}s", strerror(errno));
     }
-    snprintf(filename, sizeof(filename), "data/storage/el2/base/files/VIDEO_%s.yuv", filename_.c_str());
-    vFile_ = fopen(filename, "wb");
+    filePath = "data/storage/el2/base/files/VIDEO_" + fileName + ".yuv";
+    vFile_ = fopen(filePath.c_str(), "wb");
     if (vFile_ == nullptr) {
-        // OH_LOG_ERROR(LOG_APP, "OpenFile vFile video open failed. %{public}s", strerror(errno));
+        OH_LOG_ERROR(LOG_APP, "OpenFile vFile video open failed. %{public}s", strerror(errno));
     }
 }
 
-void CloseFile(void) {
+void CloseFile(void)
+{
     if (micFile_ != nullptr) {
         fclose(micFile_);
         micFile_ = nullptr;
@@ -75,7 +53,8 @@ void CloseFile(void) {
     }
 }
 
-void SetConfig(OH_AVScreenCaptureConfig &config) {
+void SetConfig(OH_AVScreenCaptureConfig &config)
+{
     int32_t width = 720;
     int32_t height = 1280;
     OH_AudioCaptureInfo micCapInfo = {.audioSampleRate = 48000, .audioChannels = 2, .audioSource = OH_MIC};
@@ -97,15 +76,17 @@ void SetConfig(OH_AVScreenCaptureConfig &config) {
     };
 }
 
-void OnError(OH_AVScreenCapture *capture, int32_t errorCode, void *userData) {
+void OnError(OH_AVScreenCapture *capture, int32_t errorCode, void *userData)
+{
     (void)capture;
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OnError errorCode is %{public}d", errorCode);
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OnError errorCode is %{public}d", errorCode);
     (void)userData;
 }
 
-void OnStateChange(struct OH_AVScreenCapture *capture, OH_AVScreenCaptureStateCode stateCode, void *userData) {
+void OnStateChange(struct OH_AVScreenCapture *capture, OH_AVScreenCaptureStateCode stateCode, void *userData)
+{
     if (stateCode == OH_SCREEN_CAPTURE_STATE_STARTED) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OnStateChange started");
+        OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OnStateChange started");
         // 处理状态变更
         // 可选 配置录屏旋转
         int32_t ret = OH_AVScreenCapture_SetCanvasRotation(capture, true);
@@ -123,9 +104,11 @@ void OnStateChange(struct OH_AVScreenCapture *capture, OH_AVScreenCaptureStateCo
 }
 
 void OnBufferAvailable(OH_AVScreenCapture *capture, OH_AVBuffer *buffer, OH_AVScreenCaptureBufferType bufferType,
-                       int64_t timestamp, void *userData) {
+                       int64_t timestamp, void *userData)
+{
     if (m_isRunning) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OnBufferAvailable bufferType is %{public}d", bufferType);
+        OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OnBufferAvailable bufferType is %{public}d",
+            bufferType);
         if (bufferType == OH_SCREEN_CAPTURE_BUFFERTYPE_VIDEO) {
             // 处理视频buffer
             OH_NativeBuffer *nativebuffer = OH_AVBuffer_GetNativeBuffer(buffer);
@@ -133,13 +116,13 @@ void OnBufferAvailable(OH_AVScreenCapture *capture, OH_AVBuffer *buffer, OH_AVSc
                 int bufferLen = OH_AVBuffer_GetCapacity(buffer);
                 OH_AVCodecBufferAttr info;
                 int32_t ret = OH_AVBuffer_GetBufferAttr(buffer, &info);
-                OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture size %{public}d", info.size);
-                OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture bufferLen %{public}d", bufferLen);
+                OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture size %{public}d", info.size);
+                OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture bufferLen %{public}d", bufferLen);
 
                 OH_NativeBuffer_Config config;
                 OH_NativeBuffer_GetConfig(nativebuffer, &config);
-                OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture height %{public}d width %{public}d", config.height,
-                            config.width);
+                OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture height %{public}d width %{public}d",
+                    config.height, config.width);
                 // int32_t length = config.height * config.width * 4;
                 uint8_t *buf = OH_AVBuffer_GetAddr(buffer);
                 if (buf == nullptr) {
@@ -148,14 +131,14 @@ void OnBufferAvailable(OH_AVScreenCapture *capture, OH_AVBuffer *buffer, OH_AVSc
                 fwrite(buf, 1, bufferLen, vFile_);
                 OH_NativeBuffer_Unreference(nativebuffer);
                 buffer = nullptr;
-                OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OnBufferAvailable inner audio");
+                OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OnBufferAvailable inner audio");
             }
         } else if (bufferType == OH_SCREEN_CAPTURE_BUFFERTYPE_AUDIO_INNER) {
             // 处理内录buffer
             int bufferLen = OH_AVBuffer_GetCapacity(buffer);
             uint8_t *buf = OH_AVBuffer_GetAddr(buffer);
             if (buf != nullptr) {
-                OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OnBufferAvailable inner audio");
+                OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OnBufferAvailable inner audio");
                 fwrite(buf, 1, bufferLen, innerFile_);
             }
         } else if (bufferType == OH_SCREEN_CAPTURE_BUFFERTYPE_AUDIO_MIC) {
@@ -163,7 +146,7 @@ void OnBufferAvailable(OH_AVScreenCapture *capture, OH_AVBuffer *buffer, OH_AVSc
             int bufferLen = OH_AVBuffer_GetCapacity(buffer);
             uint8_t *buf = OH_AVBuffer_GetAddr(buffer);
             if (buf != nullptr) {
-                OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OnBufferAvailable mic audio");
+                OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OnBufferAvailable mic audio");
                 fwrite(buf, 1, bufferLen, micFile_);
             }
         }
@@ -174,12 +157,13 @@ void OnBufferAvailable(OH_AVScreenCapture *capture, OH_AVBuffer *buffer, OH_AVSc
 void OnDisplaySelected(struct OH_AVScreenCapture *capture, uint64_t displayId, void *userData)
 {
     (void)capture;
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OnError errorCode is %{public}uld", displayId);
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OnError errorCode is %{public}uld", displayId);
     (void)userData;
 }
 
 // 开始录屏原始码流
-static napi_value StartScreenCapture_01(napi_env env, napi_callback_info info) {
+static napi_value StartScreenCapture_01(napi_env env, napi_callback_info info)
+{
     g_avCapture = OH_AVScreenCapture_Create();
     if (g_avCapture == nullptr) {
         OH_LOG_ERROR(LOG_APP, "create screen capture failed");
@@ -206,16 +190,16 @@ static napi_value StartScreenCapture_01(napi_env env, napi_callback_info info) {
     // 可选，排除指定窗口/指定音频类型 end
     int result = OH_AVScreenCapture_Init(g_avCapture, config_);
     if (result != AV_SCREEN_CAPTURE_ERR_OK) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OH_AVScreenCapture_Init failed %{public}d", result);
+        OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OH_AVScreenCapture_Init failed %{public}d", result);
     }
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OH_AVScreenCapture_Init %{public}d", result);
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OH_AVScreenCapture_Init %{public}d", result);
 
     result = OH_AVScreenCapture_StartScreenCapture(g_avCapture);
     if (result != AV_SCREEN_CAPTURE_ERR_OK) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture Started failed %{public}d", result);
+        OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture Started failed %{public}d", result);
         OH_AVScreenCapture_Release(g_avCapture);
     }
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture Started %{public}d", result);
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture Started %{public}d", result);
 
     m_isRunning = true;
 
@@ -225,7 +209,8 @@ static napi_value StartScreenCapture_01(napi_env env, napi_callback_info info) {
 }
 
 // 开始录屏存文件
-static napi_value StartScreenCapture_02(napi_env env, napi_callback_info info) {
+static napi_value StartScreenCapture_02(napi_env env, napi_callback_info info)
+{
     g_avCapture = OH_AVScreenCapture_Create();
     if (g_avCapture == nullptr) {
         OH_LOG_ERROR(LOG_APP, "create screen capture failed");
@@ -233,12 +218,12 @@ static napi_value StartScreenCapture_02(napi_env env, napi_callback_info info) {
     OH_AVScreenCaptureConfig config_;
 
     OH_RecorderInfo recorderInfo;
-    const std::string SCREEN_CAPTURE_ROOT = "/data/storage/el2/base/files/";
-    int32_t outputFd = open((SCREEN_CAPTURE_ROOT + "saving_file.mp4").c_str(), O_RDWR | O_CREAT, 0777);
+    const std::string filePath = "/data/storage/el2/base/files/";
+    int32_t outputFd = open((filePath + "saving_file.mp4").c_str(), O_RDWR | O_CREAT, 0777);
     std::string fileUrl = "fd://" + std::to_string(outputFd);
     recorderInfo.url = const_cast<char *>(fileUrl.c_str());
     recorderInfo.fileFormat = OH_ContainerFormatType::CFT_MPEG_4;
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture fileUrl %{public}s", fileUrl.c_str());
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture fileUrl %{public}s", fileUrl.c_str());
 
     SetConfig(config_);
     config_.captureMode = OH_CAPTURE_HOME_SCREEN;
@@ -250,16 +235,16 @@ static napi_value StartScreenCapture_02(napi_env env, napi_callback_info info) {
     OH_AVScreenCapture_SetDisplayCallback(g_avCapture, OnDisplaySelected, nullptr);
     OH_AVSCREEN_CAPTURE_ErrCode result = OH_AVScreenCapture_Init(g_avCapture, config_);
     if (result != AV_SCREEN_CAPTURE_ERR_OK) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OH_AVScreenCapture_Init failed %{public}d", result);
+        OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OH_AVScreenCapture_Init failed %{public}d", result);
     }
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OH_AVScreenCapture_Init %{public}d", result);
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OH_AVScreenCapture_Init %{public}d", result);
 
     result = OH_AVScreenCapture_StartScreenRecording(g_avCapture);
     if (result != AV_SCREEN_CAPTURE_ERR_OK) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture Started failed %{public}d", result);
+        OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture Started failed %{public}d", result);
         OH_AVScreenCapture_Release(g_avCapture);
     }
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture Started %{public}d", result);
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture Started %{public}d", result);
 
     m_scSaveFileIsRunning = true;
     napi_value res;
@@ -268,9 +253,11 @@ static napi_value StartScreenCapture_02(napi_env env, napi_callback_info info) {
 }
 
 // 开始录屏原始码流SurfaceMode
-void ThreadVideoRunMethod() {
+void ThreadVideoRunMethod()
+{
     while (m_scSurfaceIsRunning) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ThreadVideoRunMethod m_scSurfaceIsRunning %{public}d", m_scSurfaceIsRunning);
+        OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ThreadVideoRunMethod m_scSurfaceIsRunning %{public}d",
+            m_scSurfaceIsRunning);
         if (!isStarted_.load()) {
             return;
         }
@@ -300,43 +287,8 @@ void ThreadVideoRunMethod() {
     }
 }
 
-static napi_value StartScreenCapture_03(napi_env env, napi_callback_info info) {
-    isStarted_.store(false);
-    inputVideoThread_ = nullptr;
-    g_encContext = nullptr;
-    g_avCapture = OH_AVScreenCapture_Create();
-    if (g_avCapture == nullptr) {
-        OH_LOG_ERROR(LOG_APP, "create screen capture failed");
-    }
-    OH_AVScreenCaptureConfig config_;
-    SetConfig(config_);
-    bool isMicrophone = false;
-    OH_AVScreenCapture_SetMicrophoneEnabled(g_avCapture, isMicrophone);
-    OH_AVScreenCapture_SetErrorCallback(g_avCapture, OnError, nullptr);
-    OH_AVScreenCapture_SetStateCallback(g_avCapture, OnStateChange, nullptr);
-    OH_AVScreenCapture_SetDataCallback(g_avCapture, OnBufferAvailable, nullptr);
-    OH_AVScreenCapture_SetDisplayCallback(g_avCapture, OnDisplaySelected, nullptr);
-    int result = OH_AVScreenCapture_Init(g_avCapture, config_);
-    if (result != AV_SCREEN_CAPTURE_ERR_OK) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OH_AVScreenCapture_Init failed %{public}d", result);
-    }
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture OH_AVScreenCapture_Init %{public}d", result);
-
-    // 获取需要输入的Surface，以进行编码
-    OH_AVCapability *capability = OH_AVCodec_GetCapability(OH_AVCODEC_MIMETYPE_VIDEO_AVC, true);
-    const char *name = OH_AVCapability_GetName(capability);
-    g_videoEnc = OH_VideoEncoder_CreateByName(name);
-    g_muxer = std::make_unique<Muxer>();
-    const std::string SCREEN_CAPTURE_ROOT = "/data/storage/el2/base/files/";
-    int32_t outputFd = open((SCREEN_CAPTURE_ROOT + "surface.mp4").c_str(), O_RDWR | O_CREAT, 0777);
-    g_muxer->Create(outputFd);
-    g_encContext = new CodecUserData;
-    g_encContext->sampleInfo = &sampleInfo_;
-    // 配置异步回调，调用 OH_VideoEncoder_SetCallback 接口
-    OH_VideoEncoder_RegisterCallback(g_videoEnc,
-                                     {SampleCallback::OnError, SampleCallback::OnStreamChanged,
-                                     SampleCallback::OnNeedInputBuffer, SampleCallback::OnNewOutputBuffer},
-                                     g_encContext);
+int SetFormat()
+{
     OH_AVFormat *format = OH_AVFormat_Create();
     // 配置视频帧速率
     double frameRate = 30.0;
@@ -357,7 +309,7 @@ static napi_value StartScreenCapture_03(napi_env env, napi_callback_info info) {
     // 配置所需的编码质量。只有在恒定质量模式下配置的编码器才支持此配置
     int32_t quality = 0;
     // 配置比特率
-    int64_t bitRate = 3000000;
+    int64_t bitRate = 2000000;
     OH_AVFormat_SetIntValue(format, OH_MD_KEY_WIDTH, DEFAULT_WIDTH);
     sampleInfo_.videoWidth = DEFAULT_WIDTH;
     OH_AVFormat_SetIntValue(format, OH_MD_KEY_HEIGHT, DEFAULT_HEIGHT);
@@ -375,54 +327,95 @@ static napi_value StartScreenCapture_03(napi_env env, napi_callback_info info) {
     OH_AVFormat_SetIntValue(format, OH_MD_KEY_VIDEO_ENCODE_BITRATE_MODE, rateMode);
     OH_AVFormat_SetLongValue(format, OH_MD_KEY_BITRATE, bitRate);
     OH_AVFormat_SetIntValue(format, OH_MD_KEY_QUALITY, quality);
-    result = OH_VideoEncoder_Configure(g_videoEnc, format);
-    OH_LOG_INFO(LOG_APP, "==DEMO==  OH_VideoEncoder_Configure ret=%{public}d", result);
+    int result = OH_VideoEncoder_Configure(g_videoEnc, format);
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== OH_VideoEncoder_Configure ret=%{public}d", result);
     OH_AVFormat_Destroy(format);
+    return result;
+}
 
+int GetInputSurface()
+{
+    // 获取需要输入的Surface，以进行编码
+    OH_AVCapability *capability = OH_AVCodec_GetCapability(OH_AVCODEC_MIMETYPE_VIDEO_AVC, true);
+    const char *name = OH_AVCapability_GetName(capability);
+    g_videoEnc = OH_VideoEncoder_CreateByName(name);
+    g_muxer = std::make_unique<Muxer>();
+    const std::string filePath = "/data/storage/el2/base/files/";
+    int32_t outputFd = open((filePath + "surface.mp4").c_str(), O_RDWR | O_CREAT, 0777);
+    g_muxer->Create(outputFd);
+    g_encContext = new CodecUserData;
+    g_encContext->sampleInfo = &sampleInfo_;
+    // 配置异步回调，调用 OH_VideoEncoder_SetCallback 接口
+    OH_VideoEncoder_RegisterCallback(g_videoEnc,
+                                     {SampleCallback::OnError, SampleCallback::OnStreamChanged,
+                                     SampleCallback::OnNeedInputBuffer, SampleCallback::OnNewOutputBuffer},
+                                     g_encContext);
+    (void)SetFormat();
     // 从视频编码器获取输入Surface
     OHNativeWindow *nativeWindow;
-    result = OH_VideoEncoder_GetSurface(g_videoEnc, &nativeWindow);
+    int result = OH_VideoEncoder_GetSurface(g_videoEnc, &nativeWindow);
     if (result != AV_ERR_OK) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture Started OH_VideoEncoder_GetSurface ret=%{public}d", result);
+        OH_LOG_ERROR(LOG_APP, "==ScreenCaptureSample== ScreenCapture Started OH_VideoEncoder_GetSurface ret=%{public}d",
+            result);
+        return result;
     }
     result = OH_VideoEncoder_Prepare(g_videoEnc);
     g_muxer->Config(sampleInfo_);
     g_muxer->Start();
     // 启动编码器
-    int32_t retEnc = OH_VideoEncoder_Start(g_videoEnc);
+    result = OH_VideoEncoder_Start(g_videoEnc);
     isStarted_.store(true);
     m_scSurfaceIsRunning = true;
     inputVideoThread_ = std::make_unique<std::thread>(ThreadVideoRunMethod);
     // 指定surface开始录屏
     result = OH_AVScreenCapture_StartScreenCaptureWithSurface(g_avCapture, nativeWindow);
     if (result != AV_SCREEN_CAPTURE_ERR_OK) {
-        OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture Started failed %{public}d", result);
+        OH_LOG_ERROR(LOG_APP, "==ScreenCaptureSample== ScreenCapture Started failed %{public}d", result);
         OH_AVScreenCapture_Release(g_avCapture);
+        return result;
     }
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture Started %{public}d", result);
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture Started %{public}d", result);
+    return result;
+}
+
+static napi_value StartScreenCapture_03(napi_env env, napi_callback_info info)
+{
+    isStarted_.store(false);
+    inputVideoThread_ = nullptr;
+    g_encContext = nullptr;
+    g_avCapture = OH_AVScreenCapture_Create();
+    if (g_avCapture == nullptr) {
+        OH_LOG_ERROR(LOG_APP, "create screen capture failed");
+    }
+    OH_AVScreenCaptureConfig config_;
+    SetConfig(config_);
+    bool isMicrophone = false;
+    OH_AVScreenCapture_SetMicrophoneEnabled(g_avCapture, isMicrophone);
+    OH_AVScreenCapture_SetErrorCallback(g_avCapture, OnError, nullptr);
+    OH_AVScreenCapture_SetStateCallback(g_avCapture, OnStateChange, nullptr);
+    OH_AVScreenCapture_SetDataCallback(g_avCapture, OnBufferAvailable, nullptr);
+    OH_AVScreenCapture_SetDisplayCallback(g_avCapture, OnDisplaySelected, nullptr);
+    int result = OH_AVScreenCapture_Init(g_avCapture, config_);
+    if (result != AV_SCREEN_CAPTURE_ERR_OK) {
+        OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OH_AVScreenCapture_Init failed %{public}d", result);
+    }
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture OH_AVScreenCapture_Init %{public}d", result);
+    (void)GetInputSurface();
     napi_value res;
     napi_create_int32(env, result, &res);
     return res;
 }
 
 // 停止
-static napi_value StopScreenCapture(napi_env env, napi_callback_info info) {
-    OH_LOG_INFO(LOG_APP, "==DEMO== ScreenCapture Stop");
+static napi_value StopScreenCapture(napi_env env, napi_callback_info info)
+{
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== ScreenCapture Stop");
     OH_AVSCREEN_CAPTURE_ErrCode result = AV_SCREEN_CAPTURE_ERR_OPERATE_NOT_PERMIT;
     napi_value res;
     if (m_scSurfaceIsRunning) {
-        int32_t ret = OH_VideoEncoder_NotifyEndOfStream(g_videoEnc);
-        if (ret != AV_ERR_OK) {
-            // 异常处理
-        }
-        ret = OH_VideoEncoder_Stop(g_videoEnc);
-        if (ret != AV_ERR_OK) {
-            // 异常处理
-        }
-        ret = OH_VideoEncoder_Destroy(g_videoEnc);
-        if (ret != AV_ERR_OK) {
-            // 异常处理
-        }
+        (void)OH_VideoEncoder_NotifyEndOfStream(g_videoEnc);
+        (void)OH_VideoEncoder_Stop(g_videoEnc);
+        (void)OH_VideoEncoder_Destroy(g_videoEnc);
         g_videoEnc = nullptr;
         g_muxer->Stop();
         m_scSurfaceIsRunning = false;
@@ -431,16 +424,15 @@ static napi_value StopScreenCapture(napi_env env, napi_callback_info info) {
             inputVideoThread_->join();
         }
     }
-
+    if (g_avCapture == nullptr) {
+        OH_LOG_ERROR(LOG_APP, "capture_ is null.");
+    }
     if (m_scSaveFileIsRunning) {
-        if (g_avCapture == nullptr) {
-            OH_LOG_ERROR(LOG_APP, "capture_ is null.");
-        }
         result = OH_AVScreenCapture_StopScreenRecording(g_avCapture);
         if (result != AV_SCREEN_CAPTURE_ERR_BASE) {
-            OH_LOG_ERROR(LOG_APP, "StopScreenCapture OH_AVScreenCapture_StopScreenCapture Result: %{public}d", result);
+            OH_LOG_ERROR(LOG_APP, "StopScreenCapture OH_AVScreenCapture_StopScreenRecording Result: %{public}d",
+                result);
         }
-        OH_LOG_INFO(LOG_APP, "StopScreenCapture OH_AVScreenCapture_StopScreenCapture");
         result = OH_AVScreenCapture_Release(g_avCapture);
         if (result != AV_SCREEN_CAPTURE_ERR_BASE) {
             OH_LOG_ERROR(LOG_APP, "StopScreenCapture OH_AVScreenCapture_Release: %{public}d", result);
@@ -448,31 +440,25 @@ static napi_value StopScreenCapture(napi_env env, napi_callback_info info) {
         OH_LOG_INFO(LOG_APP, "OH_AVScreenCapture_Release success");
         m_scSaveFileIsRunning = false;
     } else {
-        if (g_avCapture == nullptr) {
-            OH_LOG_ERROR(LOG_APP, "capture_ is null.");
-        }
         result = OH_AVScreenCapture_StopScreenCapture(g_avCapture);
         if (result != AV_SCREEN_CAPTURE_ERR_BASE) {
             OH_LOG_ERROR(LOG_APP, "StopScreenCapture OH_AVScreenCapture_StopScreenCapture Result: %{public}d", result);
         }
-        OH_LOG_INFO(LOG_APP, "StopScreenCapture OH_AVScreenCapture_StopScreenCapture");
         result = OH_AVScreenCapture_Release(g_avCapture);
         if (result != AV_SCREEN_CAPTURE_ERR_BASE) {
             OH_LOG_ERROR(LOG_APP, "StopScreenCapture OH_AVScreenCapture_Release: %{public}d", result);
         }
         OH_LOG_INFO(LOG_APP, "OH_AVScreenCapture_Release success");
         CloseFile();
-        OH_LOG_INFO(LOG_APP, "CloseFile success");
         m_isRunning = false;
     }
-
     napi_create_int32(env, result, &res);
     return res;
 }
 
 
 // 调用老接口，仅提供代码实现，不建议使用
-void MockOnAudioBufferAvailable(OH_AVScreenCapture *screenCapture, bool isReady, OH_AudioCaptureSourceType type) 
+void MockOnAudioBufferAvailable(OH_AVScreenCapture *screenCapture, bool isReady, OH_AudioCaptureSourceType type)
 {
     if (isReady == true) {
         OH_AudioBuffer *audioBuffer = (OH_AudioBuffer *)malloc(sizeof(OH_AudioBuffer));
@@ -540,9 +526,9 @@ void SetScreenCaptureCallback()
 }
 
 EXTERN_C_START
-static napi_value Init(napi_env env, napi_value exports) {
+static napi_value Init(napi_env env, napi_value exports)
+{
     napi_property_descriptor desc[] = {
-        {"add", nullptr, Add, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"startScreenCapture", nullptr, StartScreenCapture_01, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"stopScreenCapture", nullptr, StopScreenCapture, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"startCaptureAsFile", nullptr, StartScreenCapture_02, nullptr, nullptr, nullptr, napi_default, nullptr},
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/sample_callback.cpp b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/sample_callback.cpp
index b1383676595a839ab1f0cc3a9741e04807c1e956..28df10fbd9eec9092bdeeb72899defb825583140 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/sample_callback.cpp
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/sample_callback.cpp
@@ -40,7 +40,7 @@ void SampleCallback::OnStreamChanged(OH_AVCodec *codec, OH_AVFormat *format, voi
 // 设置 OH_AVCodecOnNeedInputBuffer 回调函数，编码输入帧送入数据队列
 void SampleCallback::OnNeedInputBuffer(OH_AVCodec *codec, uint32_t index, OH_AVBuffer *buffer, void *userData) {
 // surface模式下，该回调函数无作用，用户通过获取的surface输入数据
-    OH_LOG_INFO(LOG_APP, "==DEMO== Video OnNeedInputBuffer");
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== Video OnNeedInputBuffer");
     (void)userData;
     (void)index;
     (void)buffer;
@@ -60,7 +60,7 @@ void SampleCallback::OnNewOutputBuffer(OH_AVCodec *codec, uint32_t index, OH_AVB
     // 完成帧的数据buffer送入outBufferQueue队列
     // 数据处理，请参考:
     // - 释放编码帧
-    OH_LOG_INFO(LOG_APP, "==DEMO== Video OnNewOutputBuffer");
+    OH_LOG_INFO(LOG_APP, "==ScreenCaptureSample== Video OnNewOutputBuffer");
     if (userData == nullptr) {
         return;
     }
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/types/libentry/Index.d.ts b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/types/libentry/Index.d.ts
index 8aadf80908aa25ce2e97e01548efe592451457de..d6f4abe9e642cb35006c2e81467cc29c7418a670 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/types/libentry/Index.d.ts
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/cpp/types/libentry/Index.d.ts
@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 
-export const add: (a: number, b: number) => number;
 export const startScreenCapture: () => number;
 export const stopScreenCapture: () => number;
 export const startCaptureAsFile: () => number;
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Index.ets b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Index.ets
index 9e32ea0a8ed31190566f148f39cac4931e943967..fbe0919d380f721d010ca9b262273b3f495760c8 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Index.ets
@@ -56,6 +56,13 @@ struct Index {
                 this.pageInfos.pushPathByName('Scene1', '');
               })
           }
+          ListItem() {
+            Button($r('app.string.js_saving_file_desc'))
+              .width('80%')
+              .onClick(() => {
+                this.pageInfos.pushPathByName('Scene4', '');
+              })
+          }
           ListItem() {
             Text($r('app.string.streaming_desc'))
               .fontSize(20)
@@ -75,7 +82,7 @@ struct Index {
               })
           }
         }
-        .width("100%")
+        .width('100%')
         .margin({ top: 12 })
         .alignListItem(ListItemAlign.Center)
         .divider(this.egDivider)
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Menu.ets b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Menu.ets
index 615b016994f395f9805a9b3879aa0a098b6f868e..2151e9c0572131227218807d72408d6718c0a857 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Menu.ets
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Menu.ets
@@ -24,7 +24,7 @@ export struct MenuSCComponent {
       MenuItemGroup({ header: $r('app.string.list_desc') }) {
         MenuItem({ content: $r('app.string.index_desc') })
           .onChange((selected) => {
-            console.info("menuItem select" + selected);
+            console.info('menuItem select' + selected);
             router.pushUrl({
               url: 'pages/Index' // 目标url
             }, router.RouterMode.Single, (err) => {
@@ -74,23 +74,18 @@ export struct MenuSCComponent {
             console.info('Invoke pushUrl succeeded.');
           });
         })
-      }
 
-      MenuItemGroup({ header: $r('app.string.other_mode_desc') }) {
-        MenuItem({ content: $r('app.string.all_mode_desc') })
+        MenuItem({ content: $r('app.string.js_saving_file_desc')})
           .onChange((selected) => {
-            router.pushUrl({
-              url: 'pages/Scene4' // 目标url
-            }, router.RouterMode.Single, (err) => {
-              if (err) {
-                console.error(`Invoke pushUrl failed, code is ${err.code}, message is ${err.message}`);
-                return;
-              }
-              console.info('Invoke pushUrl succeeded.');
-            });
-          })
-        MenuItem({
-          content: $r('app.string.all_mode_desc'),
+          router.pushUrl({
+            url: 'pages/Scene4' // 目标url
+          }, router.RouterMode.Single, (err) => {
+            if (err) {
+              console.error(`Invoke pushUrl failed, code is ${err.code}, message is ${err.message}`);
+              return;
+            }
+            console.info('Invoke pushUrl succeeded.');
+          });
         })
       }
     }
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene1.ets b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene1.ets
index abc85d576aec7905e36b8caff40f6c9c24435f6e..0d93162c36f3c5c6af2644764c6c650cdb66a61f 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene1.ets
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene1.ets
@@ -29,9 +29,6 @@ export struct Scene1 {
           Text($r('app.string.saving_file_desc'))
             .fontSize(30)
             .fontWeight(FontWeight.Bold)
-            .onClick(() => {
-              hilog.info(0x0000, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.add(2, 3));
-            })
         }
         .width('100%')
         .height('20%')
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene2.ets b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene2.ets
index 095b230a1f7fb1c58af5f38bbb610655a7f10978..16e5b0d412496ac84f5de61c566b2b52fb427594 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene2.ets
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene2.ets
@@ -30,9 +30,6 @@ export struct Scene2 {
         Text($r('app.string.streaming_desc'))
           .fontSize(30)
           .fontWeight(FontWeight.Bold)
-          .onClick(() => {
-            hilog.info(0x0000, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.add(2, 3));
-          })
       }
       .width('100%')
       .height('20%')
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene3.ets b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene3.ets
index 8912dba01f4a690f650878ecc4cfc07704d0e8f5..9bc43d97fb18957357050872353fb9b1725943e3 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene3.ets
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene3.ets
@@ -19,7 +19,6 @@ import testNapi from 'libentry.so';
 @Entry({ routeName : 'Scene3' })
 @Component
 export struct Scene3 {
-  @State message: string = '录屏取码流Surface模式';
   @State isCapturing: boolean = false;
   @Consume('pageInfos') pageInfos: NavPathStack;
 
@@ -28,12 +27,9 @@ export struct Scene3 {
 
       Column({ space: 15 }) {
         Column() {
-          Text(this.message)
+          Text($r('app.string.streaming_surface_mode_desc'))
             .fontSize(30)
             .fontWeight(FontWeight.Bold)
-            .onClick(() => {
-              hilog.info(0x0000, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.add(2, 3));
-            })
         }
         .width('100%')
         .height('20%')
@@ -75,6 +71,6 @@ export struct Scene3 {
       }
       .width('100%')
     }
-    .title($r('app.string.other_mode_desc'))
+    .title($r('app.string.streaming_surface_mode_desc'))
     }
 }
\ No newline at end of file
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene4.ets b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene4.ets
index 86edb413cf5efd28c1a0f0f2a001aa6a806f2fee..be6c6ce618bb8fcc6bddf8454cdcf9324c361aff 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene4.ets
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/ets/pages/Scene4.ets
@@ -13,150 +13,230 @@
  * limitations under the License.
  */
 
-import { hilog } from '@kit.PerformanceAnalysisKit';
-import testNapi from 'libentry.so';
-import {MenuSCComponent} from './Menu';
+import { BusinessError } from '@ohos.base';
+import { media } from '@kit.MediaKit';
+import fs from '@ohos.file.fs';
+import { deviceInfo } from '@kit.BasicServicesKit';
+import { display } from '@kit.ArkUI';
 
-@Entry({ routeName : 'Scene4' })
 @Component
 export struct Scene4 {
-  @State isCapturing: boolean = false;
   @Consume('pageInfos') pageInfos: NavPathStack;
+  private lastSaveTime: string = '';
+  private saveIndex: number = 0;
+  private outputFd: number | null = null;
+  private avScreenCaptureRecorder?: media.AVScreenCaptureRecorder;
+  private displayId:number = 0;
+  private isStarted: boolean = false;
+  private filepathSC: string = '';
+  @State text: string = 'PRESERVE_ASPECT_RATIO'
+  private displayWidth: number = 0;
+  private displayHeight: number = 0;
 
-  build() {
-    NavDestination() {
+  private initDeviceResolution(): void {
+    try {
+      let currentDisplay: display.Display =
+        this.displayId? display.getDisplayByIdSync(this.displayId as number): display.getDefaultDisplaySync();
+      this.displayWidth = currentDisplay.width;
+      this.displayHeight = currentDisplay.height;
+      console.info('ScreenCaptureSample displayWidth: ' + this.displayWidth + ', displayHeight: ' + this.displayHeight);
+    } catch (err) {
+      console.error('ScreenCaptureSample initDeviceResolution failed, code is ${err.code}, message is ${err.message}');
+    }
+  }
+  checkName(name: string): string {
+    if (this.lastSaveTime == name) {
+      this.saveIndex += 1;
+      return `${name}_${this.saveIndex}`
+    }
+    this.lastSaveTime = name;
+    this.saveIndex = 0;
+    return name;
+  }
 
-    Column({ space: 15 }) {
-      Column() {
-        MenuSCComponent()
-        Text($r('app.string.all_mode_desc'))
-          .fontSize(25)
-          .fontWeight(FontWeight.Bold)
-      }
-      .width('100%')
-      .height('10%').border({ width: 1 })
+  StopRecording() {
+    if (!this.avScreenCaptureRecorder) {
+      return;
+    }
+    this.avScreenCaptureRecorder?.stopRecording();
+    if (this.outputFd != undefined && this.outputFd?.valueOf() > 0) {
+      fs.close(this.outputFd);
+    }
+    this.avScreenCaptureRecorder?.release();
+    this.isStarted = false;
+    this.outputFd = -1;
+  }
 
-      Column() {
-        Text($r('app.string.saving_file_eng_desc'))
-          .fontSize(20)
-          .fontWeight(FontWeight.Bold)
-          .onClick(() => {
-            hilog.info(0x0000, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.add(2, 3));
-          })
-        List({ space: 40 }) {
-          ListItem() {
-            Button($r('app.string.start_desc'), { type: ButtonType.Circle, stateEffect: true })
-              .backgroundColor(0xF55A42)
-              .width(90)
-              .height(90)
-              .onClick(() => {
-                if (testNapi.startCaptureAsFile() == 0) {
-                  this.isCapturing = true;
-                }
-              })
-          }
+  async createVideoFd(): Promise<number> {
+    console.info('==ScreenCaptureSample== the value of the deviceType in');
+    let deviceTypeInfo: string = deviceInfo.deviceType;
+    console.info('==ScreenCaptureSample== the value of the deviceType is :' + deviceTypeInfo);
 
-          ListItem() {
-          }
+    const displayName = 'js_saving_file.mp4';
+    let videoFd: number = 0;
+    console.info('==ScreenCaptureSample== the value of the deviceType in');
+    this.filepathSC = '/data/storage/el2/base/files/' + displayName;
+    await fs.open(this.filepathSC, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE).then((file) => {
+      videoFd = file.fd;
+      console.info('==ScreenCaptureSample== the value of the deviceType in');
+    }).catch((err: BusinessError) => {
+      fs.unlinkSync(this.filepathSC);
+      console.error('open file failed, code is ${err.code}, message is ${err.message}');
+    })
+    console.info('==ScreenCaptureSample== the value of the deviceType in');
+    console.info('==ScreenCaptureSample== createVideoFd videoFd: ' + videoFd);
+    return videoFd;
+  }
 
-          ListItem() {
-            Button($r('app.string.stop_desc'), { type: ButtonType.Normal, stateEffect: true })
-              .backgroundColor(0x000000)
-              .width(85)
-              .height(85)
-              .shadow({ radius: 10 })
-              .onClick(() => {
-                if (this.isCapturing) {
-                  testNapi.stopScreenCapture();
-                  this.isCapturing = false;
-                }
-              })
-          }
-        }.listDirection(Axis.Horizontal).lanes({ minLength: 200, maxLength: 300 })
-      }
-      .width('100%')
-      .height('20%').border({ width: 1 })
+  async StartRecording(): Promise<void> {
+    if (this.isStarted === true) {
+      console.info('==ScreenCaptureSample== isStarted: ' + this.outputFd);
+      return;
+    }
+    this.outputFd = await this.createVideoFd()
+    console.info('==ScreenCaptureSample== outputFd: ' + this.outputFd);
+    if (this.outputFd  != 0) {
+      console.info('selectOutputFilePath outputFd: ' + this.outputFd );
+      this.initDeviceResolution();
+      let avCaptureConfig: media.AVScreenCaptureRecordConfig = {
+        fd: this.outputFd,
+        frameWidth: this.displayWidth,
+        frameHeight: this.displayHeight,
+        videoBitrate: 10000000,
+        audioSampleRate: 48000,
+        audioChannelCount: 2,
+        audioBitrate: 96001,
+        displayId: this.displayId,
+        preset: media.AVScreenCaptureRecordPreset.SCREEN_RECORD_PRESET_H264_AAC_MP4,
+      };
+      this.avScreenCaptureRecorder = await media.createAVScreenCaptureRecorder();
+      await this.avScreenCaptureRecorder.init(avCaptureConfig).then(() => {
+        console.info('==ScreenCaptureSample== Succeeded in init avScreenCaptureRecorder');
+      }).catch((err: BusinessError) => {
+        fs.unlinkSync(this.filepathSC);
+        console.error('==ScreenCaptureSample== Failed to init avScreenCaptureRecorder, code is ${err.code},' +
+          'message is ${err.message}');
+      })
 
-      Column() {
-        Text($r('app.string.streaming_eng_desc'))
-          .fontSize(20)
-          .fontWeight(FontWeight.Bold)
-          .onClick(() => {
-            hilog.info(0x0000, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.add(2, 3));
-          })
-        List({ space: 40 }) {
-          ListItem() {
-            Button($r('app.string.start_desc'), { type: ButtonType.Circle, stateEffect: true })
-              .backgroundColor(0xF55A42)
-              .width(90)
-              .height(90)
-              .onClick(() => {
-                if (testNapi.startScreenCapture() == 0) {
-                  this.isCapturing = true;
-                }
-              })
-          }
-          ListItem() {
-          }
-          ListItem() {
-            Button($r('app.string.stop_desc'), { type: ButtonType.Normal, stateEffect: true })
-              .backgroundColor(0x000000)
-              .width(85)
-              .height(85)
-              .shadow({ radius: 10 })
-              .onClick(() => {
-                if (this.isCapturing) {
-                  testNapi.stopScreenCapture();
-                  this.isCapturing = false;
-                }
-              })
-          }
-        }.listDirection(Axis.Horizontal).lanes({ minLength: 200, maxLength: 300 })
-      }
-      .width('100%')
-      .height('20%').border({ width: 1 })
+      this.avScreenCaptureRecorder.setMicEnabled(true).then(() => {
+        console.info('==ScreenCaptureSample== Succeeded in setMicEnabled avScreenCaptureRecorder');
+      }).catch((err: BusinessError) => {
+        console.error('==ScreenCaptureSample== Failed to setMicEnabled avScreenCaptureRecorder, code is ${err.code},' +
+          'message is ${err.message}');
+      })
+
+      this.avScreenCaptureRecorder.on('error', (err: BusinessError) => {
+        console.error('==ScreenCaptureSample== avScreenCaptureRecorder stateChange to:' + err.message);
+        fs.unlinkSync(this.filepathSC);
+      })
 
-      Column() {
-        Text($r('app.string.streaming_surface_mode_eng_desc'))
-          .fontSize(20)
-          .fontWeight(FontWeight.Bold)
-          .onClick(() => {
-            hilog.info(0x0000, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.add(2, 3));
-          })
-        List({ space: 40 }) {
-          ListItem() {
-            Button($r('app.string.start_desc'), { type: ButtonType.Circle, stateEffect: true })
-              .backgroundColor(0xF55A42)
-              .width(90)
-              .height(90)
-              .onClick(() => {
-                if (testNapi.startScreenCaptureWithSurface() == 0) {
-                  this.isCapturing = true;
-                }
-              })
-          }
-          ListItem() {
-          }
-          ListItem() {
-            Button($r('app.string.stop_desc'), { type: ButtonType.Normal, stateEffect: true })
-              .backgroundColor(0x000000)
-              .width(85)
-              .height(85)
-              .shadow({ radius: 10 })
-              .onClick(() => {
-                if (this.isCapturing) {
-                  testNapi.stopScreenCapture();
-                  this.isCapturing = false;
-                }
-              })
-          }
-        }.listDirection(Axis.Horizontal).lanes({ minLength: 200, maxLength: 300 })
+      this.avScreenCaptureRecorder!.on('stateChange', async (state: media.AVScreenCaptureStateCode) => {
+        console.info('==ScreenCaptureSample== 2 avScreenCaptureRecorder stateChange to ' + state);
+        switch (state) {
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_STARTED:
+            console.info('==ScreenCaptureSample== screen capture started');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_CANCELED:
+            this.avScreenCaptureRecorder?.release();
+            this.avScreenCaptureRecorder = undefined;
+            console.info('==ScreenCaptureSample== delete filepathSC uri: ' + this.filepathSC);
+            fs.unlinkSync(this.filepathSC);
+            console.info('==ScreenCaptureSample== screen capture canceled');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_STOPPED_BY_USER:
+            this.avScreenCaptureRecorder?.stopRecording();
+            this.avScreenCaptureRecorder?.release();
+            this.avScreenCaptureRecorder = undefined;
+            console.info('==ScreenCaptureSample== screen capture stopped by user');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_INTERRUPTED_BY_OTHER:
+            console.info('==ScreenCaptureSample== screen capture stopped by other');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_STOPPED_BY_CALL:
+            console.info('==ScreenCaptureSample== screen capture stopped by call');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_MIC_UNAVAILABLE:
+            console.info('==ScreenCaptureSample== screen capture mic unavailable');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_MIC_MUTED_BY_USER:
+            console.info('==ScreenCaptureSample== screen capture mic muted by user');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_MIC_UNMUTED_BY_USER:
+            console.info('==ScreenCaptureSample== screen capture mic unmuted by user');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_ENTER_PRIVATE_SCENE:
+            console.info('==ScreenCaptureSample== screen capture enter private scene');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_EXIT_PRIVATE_SCENE:
+            console.info('==ScreenCaptureSample== screen capture exit private scene');
+            break;
+          case media.AVScreenCaptureStateCode.SCREENCAPTURE_STATE_STOPPED_BY_USER_SWITCHES:
+            console.info('==ScreenCaptureSample== screen capture stopped by user switches');
+            break;
+          default:
+            break;
+        }
+      })
+      await this.avScreenCaptureRecorder?.startRecording().then(() => {
+        console.info('==ScreenCaptureSample== Succeeded in starting avScreenCaptureRecorder');
+        this.isStarted = true;
+      }).catch((err: BusinessError) => {
+        console.error('==ScreenCaptureSample== Failed to start avScreenCaptureRecorder, code is ${err.code}, message is ${err.message}');
+      })
+
+    }
+  }
+
+  build() {
+    NavDestination() {
+      Column({ space: 15 }) {
+        Column() {
+          Text($r('app.string.js_saving_file_desc'))
+            .fontSize(30)
+            .fontWeight(FontWeight.Bold)
+        }
+        .width('100%')
+        .height('20%')
+
+        Column() {
+          List({ space: 40 }) {
+            ListItem() {
+              Button($r('app.string.start_desc'), { type: ButtonType.Circle, stateEffect: true })
+                .id(getContext().resourceManager.getStringSync($r('app.string.start_desc')))
+                .backgroundColor(0xF55A42)
+                .width(90)
+                .height(90)
+                .onClick(() => {
+                  this.StopRecording();
+                  this.StartRecording()
+                })
+            }
+            ListItem() {
+              Button($r('app.string.stop_desc'), { type: ButtonType.Normal, stateEffect: true })
+                .id(getContext().resourceManager.getStringSync($r('app.string.stop_desc')))
+                .backgroundColor(0x000000)
+                .width(85)
+                .height(85)
+                .shadow({ radius: 10 })
+                .onClick(() => {
+                  this.StopRecording();
+                })
+            }
+          }.listDirection(Axis.Horizontal).lanes({ minLength: 200, maxLength: 300 })
+        }
+        .width('100%')
+        .height('20%')
+
+        Text($r('app.string.display_id_desc'))
+        TextInput({
+          text:'0'
+        }).onChange((value)=>{
+          console.info('==ScreenCaptureSample== displayId:' + value);
+          this.displayId = parseInt(value);
+        })
       }
       .width('100%')
-      .height('20%').border({ width: 1 })
-    }
-    .height('100%')
     }
-    .title($r('app.string.all_mode_desc'))
+    .title($r('app.string.js_saving_file_desc'))
   }
 }
\ No newline at end of file
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/resources/base/element/string.json b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/resources/base/element/string.json
index 0423a79e1a85f6e1a2827e5b5dab97e8433afb69..330b8321a773cc6dffa6c6959772b1021eaa135d 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/resources/base/element/string.json
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/main/resources/base/element/string.json
@@ -67,6 +67,18 @@
     {
       "name": "all_mode_desc",
       "value": "全量"
+    },
+    {
+      "name": "js_saving_file_desc",
+      "value": "js-录屏存文件"
+    },
+    {
+      "name": "display_id_desc",
+      "value": "Display Id"
+    },
+    {
+      "name": "allow_desc",
+      "value": "允许"
     }
   ]
 }
\ No newline at end of file
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/ohosTest/ets/test/Ability.test.ets b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/ohosTest/ets/test/Ability.test.ets
index 0f8ce9a2c012f8fe36114cef65216ef0b6254f41..6756d456e14a632688d863ab85339126bad92bcd 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/ohosTest/ets/test/Ability.test.ets
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/entry/src/ohosTest/ets/test/Ability.test.ets
@@ -13,8 +13,15 @@
  * limitations under the License.
  */
 
-import { hilog } from '@kit.PerformanceAnalysisKit';
+import AbilityDelegatorRegistry from '@ohos.app.ability.abilityDelegatorRegistry';
 import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import Base from '@ohos.base';
+import { Driver, ON } from '@ohos.UiTest';
+import fs from '@ohos.file.fs';
+
+const TAG = 'abilityTest';
+const domain: number = 0x0000;
 
 export default function abilityTest() {
   describe('ActsAbilityTest', () => {
@@ -37,14 +44,35 @@ export default function abilityTest() {
       // Presets a clear action, which is performed after all test cases of the test suite end.
       // This API supports only one parameter: clear action function.
     })
-    it('assertContain', 0, () => {
+    it('assertContain', 0, async () => {
       // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
-      hilog.info(0x0000, 'testTag', '%{public}s', 'it begin');
-      let a = 'abc';
-      let b = 'b';
-      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
-      expect(a).assertContain(b);
-      expect(a).assertEqual(a);
+      let want: Want = {
+        bundleName: 'com.sample.screencapturesample',
+        abilityName: 'EntryAbility'
+      };
+      let abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
+      abilityDelegator.startAbility(want, (err: Base.BusinessError) => {
+        hilog.info(domain, TAG, 'StartAbility get err ' + JSON.stringify(err));
+        expect(err).assertNull();
+      })
+      let driver = await Driver.create();
+      await driver.delayMs(2000);
+      let allowBtn1 = await driver.findComponent(ON.text(getContext().resourceManager.getStringSync($r('app.string.allow_desc'))));
+      await allowBtn1.click();
+      let allowBtn2 = await driver.findComponent(ON.text(getContext().resourceManager.getStringSync($r('app.string.allow_desc'))));
+      await allowBtn2.click();
+      let btn3 = await driver.findComponent(ON.text(getContext().resourceManager.getStringSync($r('app.string.js_saving_file_desc'))));
+      await btn3.click();
+      let btn4 = await driver.findComponent(ON.text(getContext().resourceManager.getStringSync($r('app.string.start_desc'))));
+      await btn4.click();
+      await driver.delayMs(2000);
+      let allowBtn3 = await driver.findComponent(ON.text(getContext().resourceManager.getStringSync($r('app.string.allow_desc'))));
+      await allowBtn3.click();
+      await driver.delayMs(5000);
+      let btn5 = await driver.findComponent(ON.text(getContext().resourceManager.getStringSync($r('app.string.stop_desc'))));
+      await btn5.click();
+      let files: string[] = fs.listFileSync('/data/storage/el2/base/files/');
+      expect(files).assertContain('js_saving_file.mp4');
     })
   })
 }
\ No newline at end of file
diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/log.txt b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/log.txt
deleted file mode 100644
index 17cc32bea3df5e26a9a01a62cbdb5efc7e74cc25..0000000000000000000000000000000000000000
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/log.txt
+++ /dev/null
@@ -1,520 +0,0 @@
-18:20:09:121 log task queue not empty
-18:20:09:121 log task size: 1
-18:20:09:121 log before pop task size: 1
-18:20:09:121 log after task size: 0
-18:20:09:631 log timer task size: 1
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-18:20:10:396 log task size: 1
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-18:20:10:396 log after task size: 0
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diff --git a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/ohosTest.md b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/ohosTest.md
index 102b4caae37c69dfc96fba377b1d14ebdd27d19b..cf80279843f81ae436eb2295e3b1475713081219 100644
--- a/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/ohosTest.md
+++ b/code/DocsSample/Media/ScreenCapture/ScreenCaptureSample/ohosTest.md
@@ -4,7 +4,8 @@
 
 | 测试功能           | 预置条件      | 输入                                                      | 预期输出                      | 是否自动 | 测试结果 |
 |----------------|-----------|---------------------------------------------------------|---------------------------|------|------|
-| 拉起应用           | 设备正常运行    |                                                         | 成功拉起应用                    | 是    | Pass |
-| 录屏存文件功能        | 进入示例应用    | 1. 点击录屏存文件按钮<br/>2. 点击Start<br/>3. 一段时间后点击Stop          | 生成录屏文件                    | 是    | Pass |
-| 录屏取码流功能        | 进入示例应用    | 1. 点击录屏取码流按钮<br/>2. 点击Start<br/>3. 一段时间后点击Stop          | 生成录屏码流文件、麦克风音频文件和设备内录音频文件 | 是    | Pass |
-| 录屏取码流Surface模式 | 进入示例应用    | 1. 点击录屏取码流Surface模式按钮<br/>2. 点击Start<br/>3. 一段时间后点击Stop | 生成录屏文件           | 是    | Pass |
+| 拉起应用           | 设备正常运行    |                                                         | 成功拉起应用                    | 否    | Pass |
+| 录屏存文件功能        | 进入示例应用    | 1. 点击“录屏存文件”按钮<br/>2. 点击Start<br/>3. 一段时间后点击Stop          | 生成录屏文件                    | 否    | Pass |
+| 录屏取码流功能        | 进入示例应用    | 1. 点击“录屏取码流”按钮<br/>2. 点击Start<br/>3. 一段时间后点击Stop          | 生成录屏码流文件、麦克风音频文件和设备内录音频文件 | 否    | Pass |
+| 录屏取码流Surface模式 | 进入示例应用    | 1. 点击“录屏取码流Surface模式”按钮<br/>2. 点击Start<br/>3. 一段时间后点击Stop | 生成录屏文件           | 否    | Pass |
+| js接口录屏存文件功能        | 设备正常运行    | 运行ohosTest中的assertContain用例          | 用例执行通过，生成录屏文件                    | 是    | Pass |