diff --git a/k8s/template-yaml/k8s-3nacos.yaml b/k8s/template-yaml/k8s-3nacos.yaml
index c21d6cf5..225c6b23 100644
--- a/k8s/template-yaml/k8s-3nacos.yaml
+++ b/k8s/template-yaml/k8s-3nacos.yaml
@@ -37,6 +37,10 @@ spec:
         - containerPort: 8848
         - containerPort: 9848
         - containerPort: 9849
+      initContainers:
+        - name: init-mydb
+          image: busybox:1.31
+          command: [ 'sh', '-c', 'nc -zv mysql.argo.svc 3306' ]
       restartPolicy: Always
 
 ---