diff --git a/helm/yatai/templates/deployment.yaml b/helm/yatai/templates/deployment.yaml
index 8d7d0736..6c3b9275 100644
--- a/helm/yatai/templates/deployment.yaml
+++ b/helm/yatai/templates/deployment.yaml
@@ -46,6 +46,10 @@ spec:
             - secretRef:
                 name: {{ include "yatai.envname" . }}
           env:
+            - name: YATAI_SYSTEM_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
             {{- if .Values.postgresql.passwordExistingSecretName }}
             - name: PG_PASSWORD
               valueFrom: