diff --git a/docs/document/v2/privatization/uc_deploy.md b/docs/document/v2/privatization/uc_deploy.md
index c7aafae25..2090ac485 100644
--- a/docs/document/v2/privatization/uc_deploy.md
+++ b/docs/document/v2/privatization/uc_deploy.md
@@ -25,9 +25,9 @@
 </tr>
 <tr>
 <td>环信私有化即时通讯服务安装包（单机版）</td>
-<td>操作系统：Linux、ubuntu 20 及以上、centos 7 及以上 <br/>CPU 架构：X86、ARM</td>
+<td>操作系统：Linux、ubuntu 22 及以上、centos 7 及以上 <br/>CPU 架构：X86、ARM</td>
 <td> <a href="https://zim-private.oss-cn-beijing.aliyuncs.com/zim/ZIM-23.1.5.x86_64-license/20230912/ZIM-23.1.5.x86_64.all.tar">立即下载(X86)</a><br/><a href="https://zim-private.oss-cn-beijing.aliyuncs.com/zim/ZIM-23.1.5.arm64-v8a.202309/ZIM-23.1.5.arm64-v8a.all.tar">立即下载(ARM)</a></td>
-<td><a href="https://zim-private.oss-cn-beijing.aliyuncs.com/zim/ZIM-23.1.5.x86_64-license/%E7%8E%AF%E4%BF%A1%E7%A7%81%E6%9C%89%E5%8C%96IM%E9%83%A8%E7%BD%B2%E6%96%87%E6%A1%A320230516.pdf">立即下载</a></td>
+<td><a href="https://zim-private.oss-cn-beijing.aliyuncs.com/zim/ZIM-23.1.5.x86_64-license/%E7%8E%AF%E4%BF%A1%E7%A7%81%E6%9C%89%E5%8C%96IM%E9%83%A8%E7%BD%B2%E6%96%87%E6%A1%A320241113.pdf">立即下载</a></td>
 </tr>
 </table>