diff --git a/build-and-run.sh b/build-and-run.sh
index 24ea304..b411b07 100644
--- a/build-and-run.sh
+++ b/build-and-run.sh
@@ -47,7 +47,7 @@ fi
 
 # 5. 运行容器（挂载 config 目录，方便改 SMTP 配置）
 echo "🚀 启动容器：$CONTAINER_NAME"
-docker run --rm \
+docker run -d \
   -p "${HOST_PORT}:${HOST_PORT}" \
   -v "$(pwd)/config":/app/config \
   --name "$CONTAINER_NAME" \