diff --git a/cmds/cmd_package/cmd_package_update.py b/cmds/cmd_package/cmd_package_update.py
index 733e3f6..9582420 100644
--- a/cmds/cmd_package/cmd_package_update.py
+++ b/cmds/cmd_package/cmd_package_update.py
@@ -216,7 +216,7 @@ def install_git_package(bsp_package_path, package_name, package_info, package_ur
         repo_path = repo_path + '-' + package_info['ver']
         repo_name_with_version = '"' + repo_path + '"'
 
-        clone_cmd = 'git clone ' + package_url + ' ' + repo_name_with_version
+        clone_cmd = 'git clone ' + package_url + ' ' + repo_name_with_version + ' --depth=1'
         logging.info(clone_cmd)
         execute_command(clone_cmd, cwd=bsp_package_path)
 
diff --git a/cmds/cmd_package/cmd_package_upgrade.py b/cmds/cmd_package/cmd_package_upgrade.py
index 3a88ec9..fe1c4ac 100644
--- a/cmds/cmd_package/cmd_package_upgrade.py
+++ b/cmds/cmd_package/cmd_package_upgrade.py
@@ -62,7 +62,7 @@ def upgrade_packages_index(force_upgrade=False):
     pkgs_path = os.path.join(packages_root, 'packages')
 
     if not os.path.isdir(pkgs_path):
-        cmd = 'git clone ' + git_repo + ' ' + pkgs_path
+        cmd = 'git clone ' + git_repo + ' ' + pkgs_path + ' --depth=1'
         os.system(cmd)
         print("upgrade from :%s" % (git_repo.encode("utf-8")))
     else:
diff --git a/touch_env.ps1 b/touch_env.ps1
index 9ef8afb..9ae4805 100644
--- a/touch_env.ps1
+++ b/touch_env.ps1
@@ -27,9 +27,9 @@ if (!(Test-Path -Path $env_dir)) {
     mkdir $env_dir\local_pkgs | Out-Null
     mkdir $env_dir\packages | Out-Null
     mkdir $env_dir\tools | Out-Null
-    git clone $package_url $env_dir/packages/packages
+    git clone $package_url $env_dir/packages/packages --depth=1
     echo 'source "$PKGS_DIR/packages/Kconfig"' | Out-File -FilePath $env_dir/packages/Kconfig -Encoding ASCII
-    git clone $ENV_URL $env_dir/tools/scripts
+    git clone $ENV_URL $env_dir/tools/scripts --depth=1
     echo '$env:path="$HOME\.env\tools\scripts;$env:path"' > $env_dir/env.ps1
     echo '$env:pathext=".PS1;$env:pathext"' >> $env_dir/env.ps1
 } else {
diff --git a/touch_env.sh b/touch_env.sh
index c446c5a..ac0ce15 100755
--- a/touch_env.sh
+++ b/touch_env.sh
@@ -27,16 +27,16 @@ if ! [ -d $env_dir ]; then
     mkdir $env_dir/local_pkgs
     mkdir $env_dir/packages
     mkdir $env_dir/tools
-    git clone $package_url $env_dir/packages/packages
+    git clone $package_url $env_dir/packages/packages --depth=1
     echo 'source "$PKGS_DIR/packages/Kconfig"' > $env_dir/packages/Kconfig
-    git clone $ENV_URL $env_dir/tools/scripts
+    git clone $ENV_URL $env_dir/tools/scripts --depth=1
     echo -e 'export PATH=`python3 -m site --user-base`/bin:$HOME/.env/tools/scripts:$PATH\nexport RTT_EXEC_PATH=/usr/bin' > $env_dir/env.sh
 fi
 
 RTT_ROOT=$HOME/rt-thread
 # you can download rt-thread to another directory by changing RTT_ROOT
 if ! [ -d $RTT_ROOT ]; then
-    git clone $RTT_URL $RTT_ROOT
+    git clone $RTT_URL $RTT_ROOT --depth=1
     if [ $gitee ]; then
         cd $RTT_ROOT
         git checkout master