diff --git a/deploy/kubernetes/dolphinscheduler/values.yaml b/deploy/kubernetes/dolphinscheduler/values.yaml
index 52addbac19..9c8d7c6f83 100644
--- a/deploy/kubernetes/dolphinscheduler/values.yaml
+++ b/deploy/kubernetes/dolphinscheduler/values.yaml
@@ -49,6 +49,9 @@ image:
   # -- tools image
   tools: dolphinscheduler-tools
 
+datasource:
+  profile: postgresql
+
 postgresql:
   # -- If not exists external PostgreSQL, by default, the DolphinScheduler will use a internal PostgreSQL
   enabled: true