diff --git a/script/demo_svr_start.sh b/script/demo_svr_start.sh
index 57046b950..7b019fd50 100644
--- a/script/demo_svr_start.sh
+++ b/script/demo_svr_start.sh
@@ -23,8 +23,8 @@ fi
 sleep 1
 cd ${demo_server_source_root}
 
-for ((i = 0; i < ${#rpc_ports[@]}; i++)); do
-  nohup ./${demo_server_name} -port ${rpc_ports[$i]} >>../logs/openIM.log 2>&1 &
+for ((i = 0; i < ${#api_ports[@]}; i++)); do
+  nohup ./${demo_server_name} -port ${api_ports[$i]} >>../logs/openIM.log 2>&1 &
 done
 
 sleep 3