diff --git a/en/device-dev/subsystems/sdk.md b/en/device-dev/subsystems/sdk.md
index 119cbc1e84f7f4c04e58f682a535759ddff30b6f..5cc0b855635d383e046ae6c117a8d28428406da3 100644
--- a/en/device-dev/subsystems/sdk.md
+++ b/en/device-dev/subsystems/sdk.md
@@ -126,6 +126,8 @@ The function of the SDK header file is implemented by mapping SDK API calls to c
 <td class="cellrowborder" valign="top" width="57.38573857385738%" headers="mcps1.2.4.1.3 "><p id="p198309499494"><a name="p198309499494"></a><a name="p198309499494"></a><strong id="b98303498492"><a name="b98303498492"></a><a name="b98303498492"></a>long long clientVersion</strong>: Indicates client version number. This parameter is not used currently.</p>
 <p id="p15830749154912"><a name="p15830749154912"></a><a name="p15830749154912"></a><strong id="b1383084912498"><a name="b1383084912498"></a><a name="b1383084912498"></a>int clientId</strong>: Indicates the client ID.</p>
 <p id="p38302049174916"><a name="p38302049174916"></a><a name="p38302049174916"></a><strong id="b6723194918202"><a name="b6723194918202"></a><a name="b6723194918202"></a>int sessionId</strong>: Indicates the session ID.</p>
+<p id="p38302049174916"><a name="p38302049174916"></a><a name="p38302049174916"></a><strong id="b6723194918202"><a name="b6723194918202"></a><a name="b6723194918202"></a>uid_t serverUid</strong>: Indicates the server UID.</p>
+<p id="p38302049174916"><a name="p38302049174916"></a><a name="p38302049174916"></a><strong id="b6723194918202"><a name="b6723194918202"></a><a name="b6723194918202"></a>uid_t clientUid</strong>: Indicates the client UID.</p>
 <p id="p1183104954914"><a name="p1183104954914"></a><a name="p1183104954914"></a><strong id="b204492316219"><a name="b204492316219"></a><a name="b204492316219"></a>int extendLen</strong>: Indicates the length of the extended information (<strong id="b1559511017336"><a name="b1559511017336"></a><a name="b1559511017336"></a>extendMsg</strong>).</p>
 <p id="p11831124994912"><a name="p11831124994912"></a><a name="p11831124994912"></a><strong id="b1383134914916"><a name="b1383134914916"></a><a name="b1383134914916"></a>unsigned char *extendMsg</strong>: Indicates the body of the extended information.</p>
 </td>
diff --git "a/zh-cn/device-dev/subsystems/SDK\345\274\200\345\217\221\350\277\207\347\250\213.md" "b/zh-cn/device-dev/subsystems/SDK\345\274\200\345\217\221\350\277\207\347\250\213.md"
index aa7fa92fb52808fce10f65d393d20bf950cbf31a..83d933cdb5df36058c1726de5d289c88a9fb2fbb 100755
--- "a/zh-cn/device-dev/subsystems/SDK\345\274\200\345\217\221\350\277\207\347\250\213.md"
+++ "b/zh-cn/device-dev/subsystems/SDK\345\274\200\345\217\221\350\277\207\347\250\213.md"
@@ -126,6 +126,8 @@ SDK头文件的功能实现是基于对SDK的调用映射到对client的调用
 <td class="cellrowborder" valign="top" width="57.38573857385738%" headers="mcps1.2.4.1.3 "><p id="p198309499494"><a name="p198309499494"></a><a name="p198309499494"></a><strong id="b98303498492"><a name="b98303498492"></a><a name="b98303498492"></a>long long clientVersion</strong>：客户端设备版本号（当前还未启用）；</p>
 <p id="p15830749154912"><a name="p15830749154912"></a><a name="p15830749154912"></a><strong id="b1383084912498"><a name="b1383084912498"></a><a name="b1383084912498"></a>int clientId</strong>：客户端ID；</p>
 <p id="p38302049174916"><a name="p38302049174916"></a><a name="p38302049174916"></a><strong id="b983015499493"><a name="b983015499493"></a><a name="b983015499493"></a>int sessionId：</strong>会话ID；</p>
+<p id="p38302049174916"><a name="p38302049174916"></a><a name="p38302049174916"></a><strong id="b983015499493"><a name="b983015499493"></a><a name="b983015499493"></a>uid_t serverUid：</strong>server端UID；</p>
+<p id="p38302049174916"><a name="p38302049174916"></a><a name="p38302049174916"></a><strong id="b983015499493"><a name="b983015499493"></a><a name="b983015499493"></a>uid_t clientUid：</strong>client端UID；</p>
 <p id="p1183104954914"><a name="p1183104954914"></a><a name="p1183104954914"></a><strong id="b20831194964918"><a name="b20831194964918"></a><a name="b20831194964918"></a>int extendLen</strong>：拓展信息（extendMsg）长度；</p>
 <p id="p11831124994912"><a name="p11831124994912"></a><a name="p11831124994912"></a><strong id="b1383134914916"><a name="b1383134914916"></a><a name="b1383134914916"></a>unsigned char *extendMsg</strong>：拓展信息主体；</p>
 </td>