diff --git a/install.sh b/install.sh
index 2021750..a2fc5b8 100755
--- a/install.sh
+++ b/install.sh
@@ -190,11 +190,11 @@ install_tmux_tpm(){
     if [[ -x $(command -v tmux) && ! -d "$TMUX_TPM" ]]; then
         fmt_note "installing tmux tpm ..."
         git clone https://hub.fastgit.xyz/tmux-plugins/tpm "$TMUX_TPM"
-        if [[ -x $(command -v g++) && -x $(command -v cmake) ]]; then
+        if [[ -x $(command -v g++) && -x $(command -v cmake) && -x $(command -v make) ]]; then
             fmt_note "initializing tmux plugins ..."
             ~/.tmux/plugins/tpm/bin/install_plugins
         else
-            fmt_warning "pls install g++ and cmake and then init tmux plugins by <prefix + I>"
+            fmt_warning "pls install g++,cmake,make and then init tmux plugins by <prefix + I> or ~/.tmux/plugins/tpm/bin/install_plugins"
         fi
     fi
 }
diff --git a/tools/alpine.sh b/tools/alpine.sh
index 5f9ca24..031b9bb 100755
--- a/tools/alpine.sh
+++ b/tools/alpine.sh
@@ -26,12 +26,21 @@ apk_add()
     git config --global user.name "Dict Xiong"
 }
 
+set_timezone()
+{
+    apk update
+    apk add tzdata
+    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
+    echo "Asia/Shanghai" > /etc/timezone
+}
+
 router()
 {
     case $1 in
         apk-add ) apk_add ;;
+        set-timezone | set-tz ) set_timezone ;;
         #set-mirror  ) set_mirror $2 ;;  
-        *           ) echo unknown command "$1". available: apk-add;;
+        *           ) echo unknown command "$1". available: apk-add, set-timezone;;
     esac
 }
 
diff --git a/tools/install.sh b/tools/install.sh
index 8e43bb0..0b8cd5f 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -10,6 +10,7 @@ install_commands=(\
     [v2ray]="bash <(curl -L https://raw.githubusercontent.com/v2fly/fhs-install-v2ray/master/install-release.sh) #--remove" \
     [zerotier-one]='curl -s https://install.zerotier.com | sudo bash' \
     [docker-ce]='curl -fsSL https://get.docker.com -o get-docker.sh && sudo sh get-docker.sh #--mirror Aliyun #--dry-run' \
+    [lemonbench]='curl -fsSL https://ilemonra.in/LemonBenchIntl | bash -s fast # or full' \
 )
 
 install()
diff --git a/tools/ubuntu.sh b/tools/ubuntu.sh
index ecf290c..090b965 100755
--- a/tools/ubuntu.sh
+++ b/tools/ubuntu.sh
@@ -7,7 +7,7 @@ fi
 
 set_mirror()
 {
-    MIRROR=${1:="mirrors.tuna.tsinghua.edu.cn"}
+    MIRROR=${1:-"mirrors.tuna.tsinghua.edu.cn"}
     MIRROR=${MIRROR//\//\\\/}
     sed -i 's/(archive|security).ubuntu.com/${MIRROR}/g' /etc/apt/sources.list
 }
@@ -28,12 +28,20 @@ apt_install()
     git config --global user.name "Dict Xiong"
 }
 
+set_timezone()
+{
+    TIMEZONE=${1:-"Asia/Shanghai"}
+    timedatectl set-timezone "$TIMEZONE"
+}
+
 router()
 {
     case $1 in
         apt-install ) apt_install ;;
         set-mirror  ) set_mirror $2 ;;  
-        *           ) echo unknown command "$1". available: apt-install, set-mirror;;
+        set-timezone\
+        | set-tz    ) set_timezone $2 ;;
+        *           ) echo unknown command "$1". available: apt-install, set-mirror, set-timezone;;
     esac
 }