diff --git a/scripts/update_centos.sh b/scripts/update_centos.sh
index d45a519ae..e76f0b3e9 100755
--- a/scripts/update_centos.sh
+++ b/scripts/update_centos.sh
@@ -28,7 +28,7 @@ do
     sleep 0.5
     isStart=$(lsof -n -P -i:$port|grep LISTEN|grep -v grep|awk '{print $2}'|xargs)
     let n+=1
-    if [ $n -gt 8 ];then
+    if [ $n -gt 15 ];then
         break;
     fi
 done