diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index b40ccc0..4792428 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -15,11 +15,12 @@ services:
       # =========================================================================
       # PostgreSQL 数据库配置
       # =========================================================================
-      - DB_HOST=ai-postgres
-      - DB_PORT=5432
-      - DB_USER=postgres
-      - DB_PASSWORD=${DB_PASSWORD:?请配置 DB_PASSWORD（本地：.env 文件 | CI/CD：Secrets）}  # ⭐ 敏感密钥配置
-      - DB_NAME=langgraph_db
+      - DB_HOST=${DB_HOST}
+      - DB_PORT=${DB_PORT}
+      - DB_USER=${DB_USER}
+      - DB_PASSWORD=${DB_PASSWORD}
+      - DB_NAME=${DB_NAME}
+      - DB_URI=${DB_URI}
 
       # =========================================================================
       # Qdrant 向量数据库配置（URL + API密钥 配对）