diff --git a/dist/images/install.sh b/dist/images/install.sh
index 49b5fe84b54..123b6f71d67 100755
--- a/dist/images/install.sh
+++ b/dist/images/install.sh
@@ -3287,7 +3287,7 @@ spec:
               cpu: 300m
               memory: 300Mi
             limits:
-              cpu: 3
+              cpu: 4
               memory: 4Gi
           volumeMounts:
             - mountPath: /var/run/openvswitch
@@ -4601,8 +4601,10 @@ if ! sh -c "echo \":$PATH:\" | grep -q \":/usr/local/bin:\""; then
 fi
 
 echo "[Step 6/6] Run network diagnose"
-kubectl cp kube-system/"$(kubectl  -n kube-system get pods -o wide | grep cni | awk '{print $1}' | awk 'NR==1{print}')":/kube-ovn/kubectl-ko /usr/local/bin/kubectl-ko
+kubectl cp kube-system/"$(kubectl -n kube-system get pods -o wide | grep cni | awk '{print $1}' | awk 'NR==1{print}')":/kube-ovn/kubectl-ko /usr/local/bin/kubectl-ko
 chmod +x /usr/local/bin/kubectl-ko
+# show pod status in kube-system namespace before diagnose
+kubectl get pod -n kube-system -o wide
 kubectl ko diagnose all
 
 echo "-------------------------------"