diff --git a/.github/helm/affine/charts/graphql/templates/service.yaml b/.github/helm/affine/charts/graphql/templates/service.yaml
index 729d7246b..4c34622c4 100644
--- a/.github/helm/affine/charts/graphql/templates/service.yaml
+++ b/.github/helm/affine/charts/graphql/templates/service.yaml
@@ -4,6 +4,10 @@ metadata:
   name: {{ include "graphql.fullname" . }}
   labels:
     {{- include "graphql.labels" . | nindent 4 }}
+  {{- with .Values.service.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
 spec:
   type: {{ .Values.service.type }}
   ports:
diff --git a/.github/helm/affine/values.yaml b/.github/helm/affine/values.yaml
index bc50ea9c3..536704700 100644
--- a/.github/helm/affine/values.yaml
+++ b/.github/helm/affine/values.yaml
@@ -36,14 +36,14 @@ graphql:
     type: ClusterIP
     port: 3000
     annotations:
-      cloud.google.com/backend-config: '{"default": "affine-backendconfig"}'
+      cloud.google.com/backend-config: '{"default": "affine-api-backendconfig"}'
 
 sync:
   service:
     type: ClusterIP
     port: 3010
     annotations:
-      cloud.google.com/backend-config: '{"default": "affine-backendconfig"}'
+      cloud.google.com/backend-config: '{"default": "affine-api-backendconfig"}'
 
 web:
   service:
diff --git a/.github/helm/separate-config/backend-config.yaml b/.github/helm/separate-config/backend-config.yaml
new file mode 100644
index 000000000..cef959317
--- /dev/null
+++ b/.github/helm/separate-config/backend-config.yaml
@@ -0,0 +1,10 @@
+apiVersion: cloud.google.com/v1
+kind: BackendConfig
+metadata:
+  name: "affine-api-backendconfig"
+spec:
+  healthCheck:
+    timeoutSec: 1
+    type: HTTP
+    requestPath: /info
+