diff --git a/script/msg_gateway_start.sh b/script/msg_gateway_start.sh
index 1df53cfdd..978cc11fb 100644
--- a/script/msg_gateway_start.sh
+++ b/script/msg_gateway_start.sh
@@ -3,6 +3,8 @@
 source ./style_info.cfg
 source ./path_info.cfg
 source ./function.sh
+ulimit -n 200000
+
 list1=$(cat $config_path | grep openImOnlineRelayPort | awk -F '[:]' '{print $NF}')
 list2=$(cat $config_path | grep openImWsPort | awk -F '[:]' '{print $NF}')
 list_to_string $list1