diff --git a/scripts/seaf-gc.sh b/scripts/seaf-gc.sh
index bb97605f32..46540fecac 100755
--- a/scripts/seaf-gc.sh
+++ b/scripts/seaf-gc.sh
@@ -11,6 +11,8 @@ default_conf_dir=${TOPDIR}/conf
 check_db_py=${INSTALLPATH}/check-db-type.py
 seaf_gc=${INSTALLPATH}/seafile/bin/seafserv-gc
 seaf_gc_opts=""
+pro_pylibs_dir=${INSTALLPATH}/pro/python
+IS_PRO_SEAFEVENTS=`awk '/is_pro/{getline;print $2;exit}' ${pro_pylibs_dir}/seafevents/seafevents_api.py`
 
 export PATH=${INSTALLPATH}/seafile/bin:$PATH
 export SEAFILE_LD_LIBRARY_PATH=${INSTALLPATH}/seafile/lib/:${INSTALLPATH}/seafile/lib64:${LD_LIBRARY_PATH}
@@ -18,7 +20,7 @@ export SEAFILE_LD_LIBRARY_PATH=${INSTALLPATH}/seafile/lib/:${INSTALLPATH}/seafil
 script_name=$0
 function usage () {
     echo "usage : "
-    if [[ -d ${INSTALLPATH}/pro ]]; then
+    if [[ $IS_PRO_SEAFEVENTS = "True" ]]; then
         echo "$(basename ${script_name}) [--dry-run | -D] [--rm-deleted | -r] [--rm-fs | -R] [repo-id1] [repo-id2]"
     else
         echo "$(basename ${script_name}) [--dry-run | -D] [--rm-deleted | -r] [repo-id1] [repo-id2]"
@@ -88,7 +90,7 @@ function validate_already_running () {
 
 function run_seaf_gc () {
 
-    if [[ -d ${INSTALLPATH}/pro ]]; then
+    if [[ $IS_PRO_SEAFEVENTS = "True" ]]; then
         seafile_conf=${default_conf_dir}/seafile.conf
         db_type=$($PYTHON $check_db_py $seafile_conf)
 
diff --git a/scripts/seafile.sh b/scripts/seafile.sh
index cdabfc250b..5771d49161 100755
--- a/scripts/seafile.sh
+++ b/scripts/seafile.sh
@@ -21,6 +21,7 @@ central_config_dir=${TOPDIR}/conf
 seaf_controller="${INSTALLPATH}/seafile/bin/seafile-controller"
 pro_pylibs_dir=${INSTALLPATH}/pro/python
 seafesdir=$pro_pylibs_dir/seafes
+IS_PRO_SEAFEVENTS=`awk '/is_pro/{getline;print $2;exit}' ${pro_pylibs_dir}/seafevents/seafevents_api.py`
 
 export PATH=${INSTALLPATH}/seafile/bin:$PATH
 export ORIG_LD_LIBRARY_PATH=${LD_LIBRARY_PATH}
@@ -113,7 +114,7 @@ function start_seafile_server () {
     validate_seafile_data_dir;
     validate_running_user;
 
-    if [[ -d ${INSTALLPATH}/pro ]]; then
+    if [[ $IS_PRO_SEAFEVENTS = "True" ]]; then
         test_config;
     fi
 
@@ -121,7 +122,7 @@ function start_seafile_server () {
 
     mkdir -p $TOPDIR/logs
 
-    if [[ -d ${INSTALLPATH}/pro ]]; then
+    if [[ $IS_PRO_SEAFEVENTS = "True" ]]; then
         if ! LD_LIBRARY_PATH=$SEAFILE_LD_LIBRARY_PATH ${seaf_controller} -c "${default_ccnet_conf_dir}" -d "${default_seafile_data_dir}" -F "${central_config_dir}"; then
             controller_log="$default_seafile_data_dir/controller.log"
             echo
diff --git a/scripts/seahub.sh b/scripts/seahub.sh
index 84045e0862..de097414c2 100755
--- a/scripts/seahub.sh
+++ b/scripts/seahub.sh
@@ -29,6 +29,7 @@ gunicorn_exe=${INSTALLPATH}/seahub/thirdpart/bin/gunicorn
 pro_pylibs_dir=${INSTALLPATH}/pro/python
 seafesdir=$pro_pylibs_dir/seafes
 seahubdir=${INSTALLPATH}/seahub
+IS_PRO_SEAFEVENTS=`awk '/is_pro/{getline;print $2;exit}' ${pro_pylibs_dir}/seafevents/seafevents_api.py`
 
 script_name=$0
 function usage () {
@@ -150,7 +151,7 @@ function before_start() {
     validate_seahub_running;
     prepare_seahub_log_dir;
 
-    if [[ -d ${INSTALLPATH}/pro ]]; then
+    if [[ $IS_PRO_SEAFEVENTS = "True" ]]; then
         if [[ -z "$LANG" ]]; then
             echo "LANG is not set in ENV, set to en_US.UTF-8"
             export LANG='en_US.UTF-8'
diff --git a/scripts/setup-seafile.sh b/scripts/setup-seafile.sh
index c241cc4cf9..4df5c9d8fb 100755
--- a/scripts/setup-seafile.sh
+++ b/scripts/setup-seafile.sh
@@ -9,6 +9,8 @@ default_seahub_db=${TOPDIR}/seahub.db
 default_conf_dir=${TOPDIR}/conf
 default_pids_dir=${TOPDIR}/pids
 default_logs_dir=${TOPDIR}/logs
+pro_pylibs_dir=${INSTALLPATH}/pro/python
+IS_PRO_SEAFEVENTS=`awk '/is_pro/{getline;print $2;exit}' ${pro_pylibs_dir}/seafevents/seafevents_api.py`
 
 export SEAFILE_LD_LIBRARY_PATH=${INSTALLPATH}/seafile/lib/:${INSTALLPATH}/seafile/lib64:${LD_LIBRARY_PATH}
 
@@ -16,7 +18,7 @@ server_manual_http='https://download.seafile.com/published/seafile-manual/home.m
 
 function welcome () {
     echo "-----------------------------------------------------------------"
-    if [[ -d ${INSTALLPATH}/pro ]]; then
+    if [[ $IS_PRO_SEAFEVENTS = "True" ]]; then
         echo "This script will guide you to config and setup your seafile professional server."
     else
         echo "This script will guide you to config and setup your seafile server."