diff --git a/dns_warmup/dns_warmup.sh b/dns_warmup/dns_warmup.sh
index 30180e7..2144fb6 100644
--- a/dns_warmup/dns_warmup.sh
+++ b/dns_warmup/dns_warmup.sh
@@ -9,6 +9,6 @@ fi
 while true;
 do
   date
-  cat chinese_public_dns.list | grep -v '#' | grep '.' | xargs -I {} dig +time=15 +tries=1 @{} ${target_domain} > /dev/null 2>&1
+  cat chinese_public_dns.list | grep -v '#' | grep '.' | xargs -I {} dig +time=5 +tries=1 @{} ${target_domain} > /dev/null 2>&1
   sleep 60
 done