diff --git a/.gitmodules b/.gitmodules
old mode 100644
new mode 100755
diff --git a/.gitmodules.gitee b/.gitmodules.gitee
new file mode 100755
index 000000000..a79b97eb7
--- /dev/null
+++ b/.gitmodules.gitee
@@ -0,0 +1,3 @@
+[submodule "ubuntu"]
+	path = sysdrv/tools/board/ubuntu
+	url = https://gitee.com/eng-thirty-three/pico_ubuntu.git
diff --git a/.gitmodules.github b/.gitmodules.github
new file mode 100755
index 000000000..8cef09a0c
--- /dev/null
+++ b/.gitmodules.github
@@ -0,0 +1,3 @@
+[submodule "ubuntu"]
+	path = sysdrv/tools/board/ubuntu
+	url = https://github.com/luckfox-eng33/pico_ubuntu.git
diff --git a/project/build.sh b/project/build.sh
index 64724f6af..53c20cd6f 100755
--- a/project/build.sh
+++ b/project/build.sh
@@ -1985,6 +1985,19 @@ fi
 export RK_PROJECT_TOOLCHAIN_CROSS=$RK_TOOLCHAIN_CROSS
 export PATH="${SDK_ROOT_DIR}/tools/linux/toolchain/${RK_PROJECT_TOOLCHAIN_CROSS}/bin":$PATH
 
+if [[ "$LF_TARGET_ROOTFS" = "ubuntu" ]];then
+    if [[ "$LF_SUBMODULES_BY" = "github" ]];then
+        cp ${SDK_ROOT_DIR}/.gitmodules.github ${SDK_ROOT_DIR}/.gitmodules
+    else 
+        if [[ "$LF_SUBMODULES_BY" = "gitee" ]];then
+            cp ${SDK_ROOT_DIR}/.gitmodules.gitee ${SDK_ROOT_DIR}/.gitmodules
+        else
+            exit 0
+        fi
+    fi
+    git submodule update --init --recursive
+fi
+
 if echo $@|grep -wqE "help|-h"; then
 	if [ -n "$2" -a "$(type -t usage$2)" == function ]; then
 		echo "###Current Configure [ $2 ] Build Command###"
diff --git a/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico-IPC.mk b/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico-IPC.mk
index dc6a7d4b1..81402289b 100755
--- a/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico-IPC.mk
+++ b/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico-IPC.mk
@@ -61,6 +61,9 @@ export RK_PARTITION_FS_TYPE_CFG=rootfs@IGNORE@ext4,userdata@/userdata@ext4,oem@/
 # Target rootfs : ubuntu(only emmc)/buildroot/busybox
 export LF_TARGET_ROOTFS=ubuntu
 
+# SUBMODULES : github/gitee
+export LF_SUBMODULES_BY=github
+
 # Buildroot defconfig
 export RK_BUILDROOT_DEFCONFIG=luckfox_pico_defconfig
 
diff --git a/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico_Mini_A-IPC.mk b/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico_Mini_A-IPC.mk
index 83225314b..edbdb39bd 100755
--- a/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico_Mini_A-IPC.mk
+++ b/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico_Mini_A-IPC.mk
@@ -61,6 +61,9 @@ export RK_PARTITION_FS_TYPE_CFG=rootfs@IGNORE@ext4,userdata@/userdata@ext4,oem@/
 # Target rootfs : ubuntu(only emmc)/buildroot/busybox
 export LF_TARGET_ROOTFS=ubuntu
 
+# SUBMODULES : github/gitee
+export LF_SUBMODULES_BY=github
+
 # Buildroot defconfig
 export RK_BUILDROOT_DEFCONFIG=luckfox_pico_defconfig
 
diff --git a/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico_Plus-IPC.mk b/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico_Plus-IPC.mk
index f0190c403..98b12e9d9 100755
--- a/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico_Plus-IPC.mk
+++ b/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1103_Luckfox_Pico_Plus-IPC.mk
@@ -61,6 +61,9 @@ export RK_PARTITION_FS_TYPE_CFG=rootfs@IGNORE@ext4,userdata@/userdata@ext4,oem@/
 # Target rootfs : ubuntu(only emmc)/buildroot/busybox
 export LF_TARGET_ROOTFS=ubuntu
 
+# SUBMODULES : github/gitee
+export LF_SUBMODULES_BY=github
+
 # Buildroot defconfig
 export RK_BUILDROOT_DEFCONFIG=luckfox_pico_defconfig
 
diff --git a/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1106_Luckfox_Pico_Pro_Max-IPC.mk b/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1106_Luckfox_Pico_Pro_Max-IPC.mk
index 42219b070..2bbb7f53e 100755
--- a/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1106_Luckfox_Pico_Pro_Max-IPC.mk
+++ b/project/cfg/BoardConfig_IPC/BoardConfig-EMMC-Ubuntu-RV1106_Luckfox_Pico_Pro_Max-IPC.mk
@@ -61,6 +61,9 @@ export RK_PARTITION_FS_TYPE_CFG=rootfs@IGNORE@ext4,userdata@/userdata@ext4,oem@/
 # Target rootfs : ubuntu(only emmc)/buildroot/busybox
 export LF_TARGET_ROOTFS=ubuntu
 
+# SUBMODULES : github/gitee
+export LF_SUBMODULES_BY=github
+
 # Buildroot defconfig
 export RK_BUILDROOT_DEFCONFIG=luckfox_pico_defconfig