diff --git a/charts/kubezero-istio-ingress/charts/istio-ingress/templates/deployment.yaml b/charts/kubezero-istio-ingress/charts/istio-ingress/templates/deployment.yaml
index b69da65..b5137a4 100644
--- a/charts/kubezero-istio-ingress/charts/istio-ingress/templates/deployment.yaml
+++ b/charts/kubezero-istio-ingress/charts/istio-ingress/templates/deployment.yaml
@@ -63,6 +63,7 @@ spec:
 {{- if .Values.global.priorityClassName }}
       priorityClassName: "{{ .Values.global.priorityClassName }}"
 {{- end }}
+      terminationGracePeriodSeconds: 90
 {{- if .Values.global.proxy.enableCoreDump }}
       initContainers:
         - name: enable-core-dump