diff --git a/README.en.md b/README.en.md
index 22e133bd06e5e7efb415006a42bc858408767c9a..3eb01b477ef506e5c45f004745136053df35e138 100644
--- a/README.en.md
+++ b/README.en.md
@@ -31,7 +31,7 @@ You can get introduction of openEuler RaspberryPi SIG from [sig-RaspberryPi](htt
 - Join Slack workspace: [openeuler-raspberrypi](https://openeuler-raspberrypi.slack.com )
   - [Invite link](https://join.slack.com/t/openeuler-raspberrypi/shared_invite/zt-uh95ug4n-yX7a~c7VrTEU64tZlX3Djw)
 - Weekly meeting schedule
-  - Meeting Time: The 1st and 3rd Wednesday of each month, 20:00 - 20:30 UTC+8.
+  - Meeting Time: The 1st and 3rd Wednesday of each month, 17:00 - 17:30 UTC+8.
   - Meeting Link: There are two methods to get the meeting link which will be updated before each meeting.
     - Log in to the [openEuler Community](https://openeuler.org/) website, then view the booking information of `sig-RaspberryPi例会` in the meeting calendar.
     - Search `openEuler` in mini programs of Wechat, add `openEuler mini program`. Then click `会议` and view the booking information of `sig-RaspberryPi例会`.
diff --git a/README.md b/README.md
index 3a2545a4c43fb327d0cba4fcd41e11e68e90eb66..34fc8087e9c5145a43a2fdada84d0dbc4370116f 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ SIG 组基本信息位于 [sig-RaspberryPi](https://gitee.com/openeuler/communit
 - 建立或回复 issue：欢迎通过建立或回复 issue 来讨论，此 SIG 组维护的仓库列表可在 [sig-RaspberryPi](https://gitee.com/openeuler/community/tree/master/sig/sig-RaspberryPi) 中查看。
 - 加入 Slack 群组：[openeuler-raspberrypi](https://openeuler-raspberrypi.slack.com )
   - [加入群组链接](https://join.slack.com/t/openeuler-raspberrypi/shared_invite/zt-uh95ug4n-yX7a~c7VrTEU64tZlX3Djw)
-- SIG 组会议：每个月的第一个和第三个周三晚上 20:00 - 20:30 会进行一次讨论会议
+- SIG 组会议：每个月的第一个和第三个周三下午 17:00 - 17:30 会进行一次讨论会议
   - 会议链接：有以下两种获取方式
     - [openEuler 社区网站](https://openeuler.org/)下的会议日历中查看 `sig-RaspberryPi例会` 预定信息。
     - 微信小程序搜索 `openEuler`，添加 `openEuler` 小程序，可在其`会议`栏目查看 `sig-RaspberryPi例会` 预定信息。
diff --git "a/documents/openEuler\351\225\234\345\203\217\347\232\204\346\236\204\345\273\272.md" "b/documents/openEuler\351\225\234\345\203\217\347\232\204\346\236\204\345\273\272.md"
index 08f8e1bf21e98ce4b7b0911985ffe970beb7d4d4..c90861172cd4ff7039d7c6f4a3bd97108eec216d 100644
--- "a/documents/openEuler\351\225\234\345\203\217\347\232\204\346\236\204\345\273\272.md"
+++ "b/documents/openEuler\351\225\234\345\203\217\347\232\204\346\236\204\345\273\272.md"
@@ -98,6 +98,7 @@
 2.  4.19 内核
 
     - openEuler 20.03 LTS：`git clone git@gitee.com:openeuler/raspberrypi-kernel.git -b openEuler-20.03-LTS && cd raspberrypi-kernel`
+    - openEuler 20.09：`git clone git@gitee.com:openeuler/raspberrypi-kernel.git -b openEuler-20.09 && cd raspberrypi-kernel`
 
 下面编译时可能还需要 bison、flex、build-essential 等，根据提示安装即可。
 
@@ -113,6 +114,7 @@
 2.  4.19 内核
 
     - openEuler 20.03 LTS：`make openeuler-raspi_defconfig`
+    - openEuler 20.09：`make openeuler-raspi_defconfig`
 
 对应的 defconfig 文件在 ../linux/arch/arm64/configs 下。
 
diff --git "a/documents/\344\272\244\345\217\211\347\274\226\350\257\221\345\206\205\346\240\270.md" "b/documents/\344\272\244\345\217\211\347\274\226\350\257\221\345\206\205\346\240\270.md"
index 7b8d2c8a5410ea2006c6d9ac4afa295c0ece770c..7629f69ff6db58e15257c9da72bc5d70992b2478 100644
--- "a/documents/\344\272\244\345\217\211\347\274\226\350\257\221\345\206\205\346\240\270.md"
+++ "b/documents/\344\272\244\345\217\211\347\274\226\350\257\221\345\206\205\346\240\270.md"
@@ -54,6 +54,7 @@
 2.  4.19 内核
 
     - openEuler 20.03 LTS：`git clone git@gitee.com:openeuler/raspberrypi-kernel.git -b openEuler-20.03-LTS && cd raspberrypi-kernel`
+    - openEuler 20.09：`git clone git@gitee.com:openeuler/raspberrypi-kernel.git -b openEuler-20.09 && cd raspberrypi-kernel`
 
 ## 设置环境变量
 
@@ -73,6 +74,7 @@
 2.  4.19 内核
 
     - openEuler 20.03 LTS：`make openeuler-raspi_defconfig`
+    - openEuler 20.09：`make openeuler-raspi_defconfig`
 
 对应的 defconfig 文件在 ../linux/arch/arm64/configs 下。