diff --git a/sdk/demo/demo.html b/sdk/demo/demo.html
index 1f4c81873a467090d884f3ecbfb2f0eb45fbd9dd..ece90424964614a70af9ffd26cd74287c7c9c64e 100644
--- a/sdk/demo/demo.html
+++ b/sdk/demo/demo.html
@@ -450,8 +450,7 @@ Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
     <button onclick="showExitModal()">退出云手机</button>
   </div>
 </div>
-<script type="text/javascript"
-        src="<%= htmlWebpackPlugin.files.chunks.CloudApp.entry %>"></script>
+<script type="text/javascript" src="<%= htmlWebpackPlugin.files.chunks.CloudApp.entry %>"></script>
 <script src="./common.js"></script>
 <script type="text/javascript">
   var phoneId = null;
@@ -637,7 +636,13 @@ Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
 
         // 监听云机复制内容写入端侧粘贴板
         cloudapp.on("clipboardDataChange", function (event, data) {
-          navigator.clipboard.writeText(data);
+          var save = function(e) {
+            e.clipboardData.setData('text/plain', data);
+            e.preventDefault();
+          }
+          document.addEventListener('copy', save);
+          document.execCommand('copy');
+          document.removeEventListener('copy',save);
         });
 
         // 监听端侧粘贴，获取粘贴板内容发给云机
diff --git a/sdk/index.html b/sdk/index.html
index 1f4c81873a467090d884f3ecbfb2f0eb45fbd9dd..ece90424964614a70af9ffd26cd74287c7c9c64e 100644
--- a/sdk/index.html
+++ b/sdk/index.html
@@ -450,8 +450,7 @@ Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
     <button onclick="showExitModal()">退出云手机</button>
   </div>
 </div>
-<script type="text/javascript"
-        src="<%= htmlWebpackPlugin.files.chunks.CloudApp.entry %>"></script>
+<script type="text/javascript" src="<%= htmlWebpackPlugin.files.chunks.CloudApp.entry %>"></script>
 <script src="./common.js"></script>
 <script type="text/javascript">
   var phoneId = null;
@@ -637,7 +636,13 @@ Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
 
         // 监听云机复制内容写入端侧粘贴板
         cloudapp.on("clipboardDataChange", function (event, data) {
-          navigator.clipboard.writeText(data);
+          var save = function(e) {
+            e.clipboardData.setData('text/plain', data);
+            e.preventDefault();
+          }
+          document.addEventListener('copy', save);
+          document.execCommand('copy');
+          document.removeEventListener('copy',save);
         });
 
         // 监听端侧粘贴，获取粘贴板内容发给云机
diff --git a/sdk/src/AppController.js b/sdk/src/AppController.js
index ebc4aa61e4a3928c9bd131f50d940f3e86f10d42..17b4bf415e2a33377938497abdc211cbbc1fa393 100644
--- a/sdk/src/AppController.js
+++ b/sdk/src/AppController.js
@@ -977,7 +977,7 @@ class AppController {
             aes_iv: iv,
             sdk_version: this.options.sdkVersion,
             protocol_version: 'v2',
-            client_type: '3',
+            client_type: this.options.isMobile ? '4' :'3',
             media_config: {
                 ...this.options.mediaConfig,
                 frame_type: this.options.decoderType ? this.options.decoderType.toLowerCase() : FRAME_TYPE_MAP.TYPE264,