diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 022d352..276aad7 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -3045,6 +3045,19 @@ int hg_scanner::reset(void)
 }
 int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
 {
+	SANE_Bool devs_status = false;
+	int ret = get_scan_is_sleep(devs_status);
+	if (ret == SCANNER_ERR_OK)
+	{
+		if (!devs_status)
+		{
+			if (pid_ == 0x239 || pid_ == 0x402)
+			{
+				set_notify_sleep();
+			}
+			return SCANNER_ERR_DEVICE_SLEEPING;
+		}
+	}
 	if (code == IO_CTRL_CODE_RESTORE_SETTINGS)
 	{
 		int ret = invoke_setting_xxx(&hg_scanner::setting_restore, data);
diff --git a/hgdriver/hgdev/hg_scanner_239.h b/hgdriver/hgdev/hg_scanner_239.h
index 147b098..83f2a80 100644
--- a/hgdriver/hgdev/hg_scanner_239.h
+++ b/hgdriver/hgdev/hg_scanner_239.h
@@ -106,7 +106,7 @@ public:
 	virtual int get_roller_num(int& data) override;              //获取滚轮张数          /*/ data > 0*/
 	virtual int set_notify_sleep(void) override;                 //唤醒设备
 	virtual int get_device_log(string& log) override;            //获取设备日志          /*/ log :储存路径*/
-	virtual int set_devreboot(int data) override;                        //设置设备重启
+	virtual int set_devreboot(int data) override;                //设置设备重启
 	virtual int set_devshtudown() override;                      //设置设备关机
 	virtual int set_scan_islock(SANE_Bool type) override;        //设置设备是否锁定      /*/ type:0解锁，1锁定*/
 	virtual int get_scan_islock(SANE_Bool& type) override;       //获取设备是否锁定      /*/ type:0解锁，1锁定*/