diff --git a/documents/瑞芯微等开发板.md b/documents/瑞芯微等开发板.md
index bfe919a..5ec5e15 100644
--- a/documents/瑞芯微等开发板.md
+++ b/documents/瑞芯微等开发板.md
@@ -280,6 +280,10 @@
 
     已测试的版本如下：
 
+    - openEuler-20.03-LTS，构建命令如下:
+
+        `sudo bash build.sh --board orangepi-zero2 -n openEuler-20.03-LTS-OrangePi-Zero2-aarch64-alpha1 -k https://gitee.com/openeuler/allwinner-kernel.git -b openEuler-20.03-LTS -c openeuler_allwinner_defconfig -r https://gitee.com/src-openeuler/openEuler-repos/raw/openEuler-20.03-LTS/generic.repo -s headless`
+
     - openEuler-24.03-LTS，构建命令如下:
 
         `sudo bash build.sh --board orangepi-zero2 -n openEuler-24.03-LTS-OrangePi-Zero2-aarch64-alpha1 -k https://gitee.com/openeuler/allwinner-kernel.git -b openEuler-24.03-LTS -c openeuler_allwinner_defconfig -r https://gitee.com/src-openeuler/openEuler-repos/raw/openEuler-24.03-LTS/generic.repo -s headless`
diff --git a/scripts/rockchip/boards/longanpi-3h.conf b/scripts/rockchip/boards/longanpi-3h.conf
index 1f5432d..ad46afb 100644
--- a/scripts/rockchip/boards/longanpi-3h.conf
+++ b/scripts/rockchip/boards/longanpi-3h.conf
@@ -11,5 +11,5 @@ POST_BOARD_OVERLAY() {
     
     # aic8800 firmware
     mkdir -p ${rootfs_dir}/usr/lib/firmware
-    cp ${nonfree_bin_dir}/linux-firmware/aic8800/* ${rootfs_dir}/usr/lib/firmware
+    cp -r ${nonfree_bin_dir}/linux-firmware/aic8800/* ${rootfs_dir}/usr/lib/firmware
 }