diff --git a/deploy/build/charts/laf-server/templates/deployment.yaml b/deploy/build/charts/laf-server/templates/deployment.yaml
index 01b5388fa1..92663a6f6f 100644
--- a/deploy/build/charts/laf-server/templates/deployment.yaml
+++ b/deploy/build/charts/laf-server/templates/deployment.yaml
@@ -57,6 +57,8 @@ spec:
               value: {{ .Values.apiServerUrl | quote}}
             - name: JWT_EXPIRES_IN
               value: {{ .Values.jwt.expires_in | quote}}
+            - name: DEFAULT_REGION_DATABASE_URL
+              value: {{ .Values.default_region.database_url | quote}}
             - name: DEFAULT_REGION_MINIO_DOMAIN
               value: {{ .Values.default_region.minio_domain }}
             - name: DEFAULT_REGION_MINIO_EXTERNAL_ENDPOINT
diff --git a/deploy/build/charts/laf-server/values.yaml b/deploy/build/charts/laf-server/values.yaml
index fb148cea1e..e7ba92ac75 100644
--- a/deploy/build/charts/laf-server/values.yaml
+++ b/deploy/build/charts/laf-server/values.yaml
@@ -7,6 +7,8 @@ databaseUrl: ""
 apiServerUrl: ""
 # init default region conf
 default_region:
+  # db conf
+  database_url: ""
   # minio conf
   minio_domain: ""
   minio_external_endpoint: ""
diff --git a/deploy/build/start.sh b/deploy/build/start.sh
index d7bc4b5145..6ef584ecda 100644
--- a/deploy/build/start.sh
+++ b/deploy/build/start.sh
@@ -97,6 +97,7 @@ helm install server -n ${NAMESPACE} \
     --set casdoor.client_id=${CASDOOR_CLIENT_ID} \
     --set casdoor.client_secret=${CASDOOR_CLIENT_SECRET} \
     --set casdoor.redirect_uri=${CASDOOR_REDIRECT_URI} \
+    --set default_region.database_url=${DATABASE_URL} \
     --set default_region.minio_domain=${MINIO_DOMAIN} \
     --set default_region.minio_external_endpoint=${MINIO_EXTERNAL_ENDPOINT} \
     --set default_region.minio_internal_endpoint=${MINIO_INTERNAL_ENDPOINT} \
diff --git a/server/src/constants.ts b/server/src/constants.ts
index 9364b53ab6..ae2eda35cc 100644
--- a/server/src/constants.ts
+++ b/server/src/constants.ts
@@ -96,6 +96,11 @@ export class ServerConfig {
     return process.env.API_SERVER_URL || 'http://localhost:3000'
   }
 
+  /** default region conf */
+  static get DEFAULT_REGION_DATABASE_URL() {
+    return process.env.DEFAULT_REGION_DATABASE_URL
+  }
+
   static get DEFAULT_REGION_RUNTIME_DOMAIN() {
     return process.env.DEFAULT_REGION_RUNTIME_DOMAIN || 'localhost'
   }
diff --git a/server/src/initializer/initializer.service.ts b/server/src/initializer/initializer.service.ts
index 840de27636..fa3d1dc91c 100644
--- a/server/src/initializer/initializer.service.ts
+++ b/server/src/initializer/initializer.service.ts
@@ -34,7 +34,7 @@ export class InitializerService {
         databaseConf: {
           set: {
             driver: 'mongodb',
-            connectionUri: ServerConfig.DATABASE_URL,
+            connectionUri: ServerConfig.DEFAULT_REGION_DATABASE_URL,
           },
         },
         storageConf: {