diff --git a/apps/blogai/Dockerfile b/apps/blogai/Dockerfile
index 0ebae2c..2eb35e3 100644
--- a/apps/blogai/Dockerfile
+++ b/apps/blogai/Dockerfile
@@ -19,7 +19,7 @@
 
     # 拷贝并替换.env
     COPY apps/blogai/.env.example apps/blogai/.env
-    RUN sed -i "s|{{BLOGAI_HOST}}|${BLOGAI_HOST}|g" .env
+    RUN sed -i "s|{{BLOGAI_HOST}}|${BLOGAI_HOST}|g" apps/blogai/.env
 
     # 安装根目录依赖
     RUN pnpm install --no-frozen-lockfile --prefer-offline