diff --git a/docs/dev-ops/docker-compose-app.yml b/docs/dev-ops/docker-compose-app.yml
index b9f0c12..c478f0c 100644
--- a/docs/dev-ops/docker-compose-app.yml
+++ b/docs/dev-ops/docker-compose-app.yml
@@ -64,7 +64,7 @@ services:
   # 4. Java 后端
   group-buying-sys:
     build:
-      context: ..                               # 从 docs/ 回到项目根
+      context: ../..                               # 从 docs/ 回到项目根
       dockerfile: group-buying-sys-app/Dockerfile
     image: smile/group-buying-sys:latest
     container_name: group-buying-sys