diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 14f60e8..887748a 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -38,7 +38,7 @@ jobs:
       uses: docker/metadata-action@v4
       with:
         images: |
-          joestar817/dell-fans-controller-docker
+          lkddi/dell-fans-controller-docker
           harbor.ay.lc/library/dell-fans-controller
         tags: |
           type=ref,event=branch
diff --git a/README.md b/README.md
index d5974d8..30487cb 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ docker run -d --name=dell-fans-controller-docker  -e HOST=10.10.11.11 -e USERNAM
 
 本项目通过 GitHub Actions 自动构建 Docker 镜像，并推送到 Docker Hub 和 Harbor 私有仓库。
 
-- Docker Hub: `joestar817/dell-fans-controller-docker:latest`
+- Docker Hub: `lkddi/dell-fans-controller:latest`
 - Harbor: `harbor.ay.lc/library/dell-fans-controller:latest`
 
 镜像支持多架构 (linux/amd64, linux/arm64)
diff --git a/start.py b/start.py
index 41beeec..c01cff2 100644
--- a/start.py
+++ b/start.py
@@ -7,16 +7,16 @@ from controller.logger import logger
 
 if __name__ == '__main__':
 
-    host = "10.10.11.11" #os.getenv('HOST')                                                    │
-    username = "root" #os.getenv('USERNAME')                                                   │
-    password = "ddmabc123" #os.getenv('PASSWORD')
-    if host is None:
+    host = os.getenv('HOST', "10.10.11.11")
+    username = os.getenv('USERNAME', "root")
+    password = os.getenv('PASSWORD', "ddmabc123")
+    if not host:
         raise RuntimeError('未设置 HOST 环境变量')
 
-    if username is None:
+    if not username:
         raise RuntimeError('未设置 USERNAME 环境变量')
 
-    if password is None:
+    if not password:
         raise RuntimeError('未设置 PASSWORD 环境变量')
 
     while True: