diff --git a/k8s/backend-deployment.yaml b/k8s/backend-deployment.yaml
index 03a73cc..663b357 100644
--- a/k8s/backend-deployment.yaml
+++ b/k8s/backend-deployment.yaml
@@ -48,6 +48,15 @@ spec:
         # CORS
         - name: CORS_ORIGINS
           value: "https://devperf.airlabs.art"
+        # AI (豆包 Doubao / 火山引擎 Ark)
+        - name: AI_ENABLED
+          value: "true"
+        - name: AI_API_KEY
+          value: "846b6981-9954-4c58-bb39-63079393bdb8"
+        - name: AI_MODEL
+          value: "doubao-seed-2-0-pro-260215"
+        - name: AI_BASE_URL
+          value: "https://ark.cn-beijing.volces.com/api/v3"
         livenessProbe:
           httpGet:
             path: /api/health