diff --git a/deployment-databus.yaml b/deployment-databus.yaml
index 4a04d71d..62b5d9bc 100644
--- a/deployment-databus.yaml
+++ b/deployment-databus.yaml
@@ -19,7 +19,7 @@ spec:
       labels:
         app: zt-module-databus
     spec:
-      dnsPolicy: None
+      dnsPolicy: ClusterFirst
       dnsConfig:
         nameservers:
           - "172.16.36.16"
diff --git a/deployment-infra.yaml b/deployment-infra.yaml
index 6184b047..dcfba5de 100644
--- a/deployment-infra.yaml
+++ b/deployment-infra.yaml
@@ -19,7 +19,7 @@ spec:
       labels:
         app: zt-module-infra
     spec:
-      dnsPolicy: None
+      dnsPolicy: ClusterFirst
       dnsConfig:
         nameservers:
           - "172.16.36.16"
diff --git a/deployment-system.yaml b/deployment-system.yaml
index 08c8728e..2be3a5da 100644
--- a/deployment-system.yaml
+++ b/deployment-system.yaml
@@ -28,7 +28,7 @@ spec:
                     operator: In
                     values:
                       - node-3
-      dnsPolicy: None
+      dnsPolicy: ClusterFirst
       dnsConfig:
         nameservers:
           - "172.16.36.16"