diff --git a/.env b/.env
index 974bc5c..3bfbf02 100644
--- a/.env
+++ b/.env
@@ -37,3 +37,6 @@ SSH_LOCAL_PORT=1080
 # ==================== Flask 缓存配置 ====================
 CACHE_MAXSIZE=128
 CACHE_TTL_SECONDS=7200
+
+# Flask API 服务地址
+FLASK_API_URL=https://k3s.tokenpluse.xyz