diff --git a/install-cli.sh b/install-cli.sh
index 422803e5e3..72caa4997a 100755
--- a/install-cli.sh
+++ b/install-cli.sh
@@ -24,7 +24,7 @@ BREW_UPDATE_CMD="brew update"
 BREW_INSTALL_CMD="brew install ioctl"
 BREW_REINSTALL_CMD="brew reinstall ioctl"
 BREW_UNSTABLE_TAP_CMD="brew tap iotexproject/ioctl-unstable"
-BREW_UNSTABLE_INSTALL_CMD="brew install --HEAD iotexproject/ioctl-unstable/ioctl-unstable"
+BREW_UNSTABLE_INSTALL_CMD="brew install iotexproject/ioctl-unstable/ioctl-unstable"
 BREW_UNSTABLE_REINSTALL_CMD="brew reinstall ioctl-unstable"
 BREW_INSTALLED_PATH="/usr/local/bin"
 
@@ -122,27 +122,20 @@ else
 fi
 
 if [ "${OS}" = "darwin" ];then
-    if test -x "$(command -v brew)"; then
+    if test -x "$(command -v brew)"; then      
         if [ "$1" = "unstable" ]; then
-            if [ `command -v ioctl` ]; then
-                rm -f $BREW_INSTALLED_PATH/ioctl
-            fi
-
             if [ `command -v ioctl-unstable` ]; then
                 $BREW_UNSTABLE_REINSTALL_CMD
             else
                 $BREW_UNSTABLE_TAP_CMD && $BREW_UNSTABLE_INSTALL_CMD
             fi
-            ln -s $BREW_INSTALLED_PATH/ioctl-unstable $BREW_INSTALLED_PATH/ioctl
             echo "Command-line tools is installed to `command -v ioctl-unstable`"
         else
             if [ `command -v ioctl` ]; then
-                rm -f $BREW_INSTALLED_PATH/ioctl
                 $BREW_UPDATE_CMD && $BREW_REINSTALL_CMD
             else
                 $BREW_UPDATE_CMD && $BREW_INSTALL_CMD
             fi
-
             echo "Command-line tools is installed to `command -v ioctl`"
         fi
         exit 0