diff --git a/scripts/ack-optimized-os-1.20.sh b/scripts/ack-optimized-os-1.20.sh
index 00f96c1..62ff711 100755
--- a/scripts/ack-optimized-os-1.20.sh
+++ b/scripts/ack-optimized-os-1.20.sh
@@ -179,14 +179,14 @@ pull_image() {
 
         docker pull registry-vpc.${REGION}.aliyuncs.com/acs/kube-proxy:v${KUBE_VERSION}
         docker pull registry-vpc.${REGION}.aliyuncs.com/acs/pause:3.2
-        docker pull registry-vpc.${REGION}.aliyuncs.com/acs/coredns:1.6.7
+        docker pull registry-vpc.${REGION}.aliyuncs.com/acs/coredns:1.7.0
     else
         systemctl start containerd
         sleep 10
 
         ctr -n k8s.io i pull registry-vpc.${REGION}.aliyuncs.com/acs/kube-proxy:v${KUBE_VERSION}
         ctr -n k8s.io i pull registry-vpc.${REGION}.aliyuncs.com/acs/pause:3.2
-        ctr -n k8s.io i pull registry-vpc.${REGION}.aliyuncs.com/acs/coredns:1.6.7
+        ctr -n k8s.io i pull registry-vpc.${REGION}.aliyuncs.com/acs/coredns:1.7.0
     fi
 }