diff --git a/docker/sync/Dockerfile b/docker/sync/Dockerfile
index 2bcfaa4..1725ba5 100644
--- a/docker/sync/Dockerfile
+++ b/docker/sync/Dockerfile
@@ -45,6 +45,7 @@ COPY ./out/binary_files/sync_drive /home/app/config/sync_drive
 HEALTHCHECK --start-period=5s --interval=10s --timeout=5s --retries=3 CMD /bin/sh /home/app/health_check.sh
 
 # 环境变量
+ENV ALIYUNPAN_DOCKER=1
 ENV ALIYUNPAN_CONFIG_DIR=/home/app/config
 
 ENV ALIYUNPAN_REFRESH_TOKEN=""
diff --git a/docker/webdav/Dockerfile b/docker/webdav/Dockerfile
index 77c8e98..1b81ec9 100644
--- a/docker/webdav/Dockerfile
+++ b/docker/webdav/Dockerfile
@@ -44,6 +44,7 @@ HEALTHCHECK --start-period=5s --interval=10s --timeout=5s --retries=3 CMD /bin/s
 EXPOSE 23077
 
 # 环境变量
+ENV ALIYUNPAN_DOCKER=1
 ENV ALIYUNPAN_CONFIG_DIR=/home/app/config
 ENV ALIYUNPAN_AUTH_USER=admin
 ENV ALIYUNPAN_AUTH_PASSWORD=admin
diff --git a/internal/command/sync.go b/internal/command/sync.go
index a919eda..c7bf72b 100644
--- a/internal/command/sync.go
+++ b/internal/command/sync.go
@@ -260,11 +260,23 @@ func RunSync(defaultTask *syncdrive.SyncTask, fileDownloadParallel, fileUploadPa
 		fmt.Println("启动任务失败：", e)
 		return
 	}
-	c := ""
-	fmt.Print("本命令不会退出，如需要结束同步备份进程请输入y，然后按Enter键进行停止：")
-	for strings.ToLower(c) != "y" {
-		fmt.Scan(&c)
+
+	_, ok := os.LookupEnv("ALIYUNPAN_DOCKER")
+	if ok {
+		// in docker container
+		// 使用休眠以节省CPU资源
+		for {
+			time.Sleep(60 * time.Second)
+		}
+	} else {
+		// in cmd mode
+		c := ""
+		fmt.Print("本命令不会退出，如需要结束同步备份进程请输入y，然后按Enter键进行停止：")
+		for strings.ToLower(c) != "y" {
+			fmt.Scan(&c)
+		}
 	}
+
 	fmt.Println("正在停止同步备份任务，请稍等...")
 	syncMgr.Stop()
 }