diff --git a/agent/netflow/netflow_collect.sh b/agent/netflow/netflow_collect.sh
index 831ad47..803fc2c 100755
--- a/agent/netflow/netflow_collect.sh
+++ b/agent/netflow/netflow_collect.sh
@@ -15,7 +15,7 @@ spec.loader.exec_module(ls)
 db = ls.DATABASES
 ldb = db.get('default')
 print('%s %s %s %s %d' % (ldb['NAME'], ldb['USER'],
-ldb['PASSWORD'], ldb['HOST'], ldb['PORT']))"`
+ldb['PASSWORD'], ldb['HOST'], ldb.get('PORT', 3306)))"`
 
 if ! ping -c 1 ${mysql_host} &> /dev/null; then
     echo "Host ${mysql_host} is not accessible"
@@ -46,4 +46,4 @@ flow-cat /tmp/djing_flow/dump/*/*.dmp | ./djing_flow -i ${tmp_ipuser_file} -c |
 
 rm -f ${tmp_ipuser_file}
 rm -f /tmp/djing_flow/dump/*/*.dmp
-rm -f /tmp/djing_flow/*/ft*
\ No newline at end of file
+rm -f /tmp/djing_flow/*/ft*