diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index c029d83..74691c5 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -180,6 +180,9 @@ hg_scanner::hg_scanner(ScannerSerial serial, const char* dev_name, usb_io* io, i
 				dump_img_ = &hg_scanner::dump_image_real;
 		}
 
+		if (hg_log::ini_get("func", "no-paper-chk") == "1")
+			no_paper_check_ = true;
+
 		std::string mem = hg_log::ini_get("mem", "max_img");
 		if (!mem.empty())
 		{
@@ -4780,6 +4783,10 @@ int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
 	{
 		return set_devreboot(*((int*)data));
 	}
+	else if (code == IO_CTRL_CODE_SET_DEVS_SHUTDOWN)
+	{
+		return set_devshtudown();
+	}
 	else if (code == IO_CTRL_CODE_SET_AUTO_FALT)
 	{
 		is_auto_falt = true;
@@ -4843,35 +4850,17 @@ int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
 	}
 	else if (code == IO_CTRL_CODE_GET_DEVS_CPU)
 	{
-		string str;
-		int ret = get_devs_cpu(str);
-		if (str.empty())
-		{
-			ret =  SCANNER_ERR_NO_DATA;
-		}
-		if (*len < str.size())
-		{
-			*len = str.size();
-			ret =  SCANNER_ERR_INSUFFICIENT_MEMORY;
-		}
-		strcpy((char*)data, str.c_str());
+		int cpu = 0;
+		int ret = get_devs_cpu(cpu);
+		(*(int*)data) = cpu;
 		
 		return ret;
 	}
 	else if (code == IO_CTRL_CODE_GET_DEVS_DISK)
 	{
-		string str;
-		int ret = get_devs_disk(str);
-		if (str.empty())
-		{
-			ret = SCANNER_ERR_NO_DATA;
-		}
-		if (*len < str.size())
-		{
-			*len = str.size();
-			ret = SCANNER_ERR_INSUFFICIENT_MEMORY;
-		}
-		strcpy((char*)data, str.c_str());
+		int disk = 0;
+		int ret = get_devs_disk(disk);
+		(*(int*)data) = disk;
 
 		return ret;
 	}
@@ -5063,11 +5052,11 @@ int hg_scanner::get_devs_time(string& times)
 {
 	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
-int hg_scanner::get_devs_cpu(string& cpu)
+int hg_scanner::get_devs_cpu(int& cpu)
 {
 	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
-int hg_scanner::get_devs_disk(string& disk)
+int hg_scanner::get_devs_disk(int& disk)
 {
 	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
diff --git a/hgdriver/hgdev/hg_scanner.h b/hgdriver/hgdev/hg_scanner.h
index da2db26..911c804 100644
--- a/hgdriver/hgdev/hg_scanner.h
+++ b/hgdriver/hgdev/hg_scanner.h
@@ -392,6 +392,7 @@ protected:
     unsigned long   memory_size_;       // MB
     unsigned long   wait_mem_seconds_;  // wait up to wait_mem_seconds_ if memory usage is great than memory_size_
     bool            isx86_Advan_;
+    bool            no_paper_check_ = false;    // 扫描前是否检测无纸状态；可以通过配置[func]no-paper-chk=1开启
     int             stop_fatal_;
     BlockingQueue<std::shared_ptr<tiny_buffer>> imgs_;
 
@@ -544,8 +545,8 @@ public:
     virtual int get_motor_board_ver(string &ver);               //获取G239电机板的固件号 //3399设备支持
     virtual int set_devs_time(string times);                    //设置设备时间    //3399设备支持
     virtual int get_devs_time(string &times);                   //获取设备时间    //3399设备支持
-    virtual int get_devs_cpu(string& cpu);						//获取设备内存大小
-    virtual int get_devs_disk(string& disk);					//获取设备硬盘容量大小
+    virtual int get_devs_cpu(int& cpu);						//获取设备内存大小(kb)
+    virtual int get_devs_disk(int& disk);					//获取设备硬盘容量大小(kb)
     virtual int set_restore();					                //还原文件
     virtual int set_backup();					                //备份文件
 };
diff --git a/hgdriver/hgdev/hg_scanner_200.cpp b/hgdriver/hgdev/hg_scanner_200.cpp
index 76bb0a4..c8d29c4 100644
--- a/hgdriver/hgdev/hg_scanner_200.cpp
+++ b/hgdriver/hgdev/hg_scanner_200.cpp
@@ -305,13 +305,17 @@ int hg_scanner_200::do_start(void)
 	}
 	printf_devconfig();
 	SANE_Bool  type = false;
-	ret = get_scanner_paperon(type);
-	if (!type)
+
+	if (!no_paper_check_)
 	{
-		status_ = ret = SCANNER_ERR_DEVICE_NO_PAPER;
-		//notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_NO_PAPER, SANE_EVENT_ERROR, status_);
-		VLOG_MINI_1(LOG_LEVEL_WARNING, "device start status is(%s)\n", hg_log::lang_load(ID_STATU_DESC_SCANNER_ERR_DEVICE_NO_PAPER));
-		return ret;
+		ret = get_scanner_paperon(type);
+		if (!type)
+		{
+			status_ = ret = SCANNER_ERR_DEVICE_NO_PAPER;
+			//notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_NO_PAPER, SANE_EVENT_ERROR, status_);
+			VLOG_MINI_1(LOG_LEVEL_WARNING, "device start status is(%s)\n", hg_log::lang_load(ID_STATU_DESC_SCANNER_ERR_DEVICE_NO_PAPER));
+			return ret;
+		}
 	}
 	
 	USBCB usb = { setting3288dsp::START_COMMAND, img_conf_.scannum, 0 };
diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index e5e483d..15743ae 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -389,7 +389,7 @@ int hg_scanner_239::get_devs_time(string& times)
 	}
 	return ret;
 }
-int hg_scanner_239::get_devs_cpu(string& cpu)
+int hg_scanner_239::get_devs_cpu(int& cpu)
 {
 	string path = "/usr/local/huago/sysinfo.json";
 	long long cpu_size = 0;
@@ -402,15 +402,11 @@ int hg_scanner_239::get_devs_cpu(string& cpu)
 		cpu_size = js["MemTotal"];
 	}
 
-	float num = (float)cpu_size / 1024  / 1024 / 1024;
-	char buf[10] = { 0 };
-	sprintf(buf, "%.2f", num);
-	strcat(buf, "GB");
-	cpu = buf;
+	cpu = cpu_size / 1024;
 
 	return ret;
 }
-int hg_scanner_239::get_devs_disk(string& disk)
+int hg_scanner_239::get_devs_disk(int& disk)
 {
 	string path = "/usr/local/huago/sysinfo.json";
 	long disk_size = 0;
@@ -423,11 +419,7 @@ int hg_scanner_239::get_devs_disk(string& disk)
 		disk_size = js["DiskTotal"];
 	}
 
-	float num = (float)disk_size / 1024 / 1024;
-	char buf[10] = { 0 };
-	sprintf(buf, "%.2f", num);
-	strcat(buf, "GB");
-	disk = buf;
+	disk = disk_size;
 
 	return ret;
 }
diff --git a/hgdriver/hgdev/hg_scanner_239.h b/hgdriver/hgdev/hg_scanner_239.h
index 1d42421..10e0882 100644
--- a/hgdriver/hgdev/hg_scanner_239.h
+++ b/hgdriver/hgdev/hg_scanner_239.h
@@ -146,8 +146,8 @@ public:
 
 	virtual int set_devs_time(string times);                    //设置设备时间    //3399设备支持
 	virtual int get_devs_time(string& times);                   //获取设备时间    //3399设备支持
-	virtual int get_devs_cpu(string& cpu);									//获取设备内存大小
-	virtual int get_devs_disk(string& disk);								//获取设备硬盘容量大小
+	virtual int get_devs_cpu(int& cpu);									//获取设备内存大小(kb)
+	virtual int get_devs_disk(int& disk);								//获取设备硬盘容量大小(kb)
 	virtual int set_restore();									//还原文件
 	virtual int set_backup();								    //备份文件
 };
diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index 30175f8..f709521 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -89,7 +89,7 @@ hg_scanner_300::hg_scanner_300(const char* dev_name,int pid, usb_io* io) :
 {
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "hg_scanner_300(%s) constructing ...\n", hg_log::format_ptr(this).c_str());
 	dsp_config.value = 0;
-	dsp_config.params_3288.enableLed = 1; //默认值
+	dsp_config.params_3288.enableLed = 1; //榛樿鍊?
 	dsp_config.params_3288.isCorrect = 1;
 	
 	int ret = initdevice();
@@ -371,12 +371,15 @@ int hg_scanner_300::do_start(void)
 
 		return status_;
 	}
-	ret = get_scanner_paperon(val);
-	if (!val && ret == SCANNER_ERR_OK)
+	if (!no_paper_check_)
 	{
-		status_ = SCANNER_ERR_DEVICE_NO_PAPER;
+		ret = get_scanner_paperon(val);
+		if (!val && ret == SCANNER_ERR_OK)
+		{
+			status_ = SCANNER_ERR_DEVICE_NO_PAPER;
 
-		return status_;
+			return status_;
+		}
 	}
 	if (ret != SCANNER_ERR_OK)
 	{
@@ -1629,7 +1632,7 @@ int hg_scanner_300::set_updata0303(void)
 	}
 	return 0;
 }
-int hg_scanner_300::get_devs_cpu(string& cpu)
+int hg_scanner_300::get_devs_cpu(int& cpu)
 {
 	std::string src_name = "/usr/local/huago/sysinfo.json";
 	std::string dst_name = "./sys.log";
@@ -1670,15 +1673,11 @@ int hg_scanner_300::get_devs_cpu(string& cpu)
 		cpu_size = js["MemTotal"];
 	}
 
-	float num = (float)cpu_size / 1024 / 1024 / 1024;
-	char buf[10] = { 0 };
-	sprintf(buf, "%.2f", num);
-	strcat(buf, "GB");
-	cpu = buf;
+	cpu = cpu_size / 1024;
 
 	return ret;
 }
-int hg_scanner_300::get_devs_disk(string& disk)
+int hg_scanner_300::get_devs_disk(int& disk)
 {
 	std::string src_name = "/usr/local/huago/sysinfo.json";
 	std::string dst_name = "./sys.log";
@@ -1719,11 +1718,7 @@ int hg_scanner_300::get_devs_disk(string& disk)
 		disk_size = js["DiskTotal"];
 	}
 
-	float num = (float)disk_size / 1024 / 1024;
-	char buf[10] = { 0 };
-	sprintf(buf, "%.2f", num);
-	strcat(buf, "GB");
-	disk = buf;
+	disk = disk_size;
 
 	return ret;
 }
diff --git a/hgdriver/hgdev/hg_scanner_300.h b/hgdriver/hgdev/hg_scanner_300.h
index aa61be5..e1f2e89 100644
--- a/hgdriver/hgdev/hg_scanner_300.h
+++ b/hgdriver/hgdev/hg_scanner_300.h
@@ -126,8 +126,8 @@ public:
 	virtual int set_auto_flat(int data)override;                 //设置自动平场校正
 																 // data:0(ALL) 1(200dpi、gray) 2(200dpi、color) 3(300dpi、gray) 4(300dpi、color) 5(600dpi、gray) 6(600dpi、color)
 	virtual int set_updata0303(void)override;
-	virtual int get_devs_cpu(string& cpu);									//获取设备内存大小
-	virtual int get_devs_disk(string& disk);								//获取设备硬盘容量大小
+	virtual int get_devs_cpu(int& cpu);									//获取设备内存大小(kb)
+	virtual int get_devs_disk(int& disk);								//获取设备硬盘容量大小(kb)
 	virtual int set_restore();					 //还原文件
 	virtual int set_backup();					 //备份文件
 };
diff --git a/hgdriver/hgdev/hg_scanner_306.cpp b/hgdriver/hgdev/hg_scanner_306.cpp
index a2b94c6..c582cbe 100644
--- a/hgdriver/hgdev/hg_scanner_306.cpp
+++ b/hgdriver/hgdev/hg_scanner_306.cpp
@@ -243,7 +243,7 @@ void hg_scanner_306::thread_handle_usb_read(void)
 			}
 			savestatus_.clear();
 			hg_log::log(LOG_LEVEL_WARNING, "MaxSize TimeOut,Get Image 130s\n");
-			notify_ui_working_status(hg_log::lang_load(ID_STATU_DESC_SCANNER_ERR_DEVICE_GET_IMAGE_OUTTIME), SANE_EVENT_ERROR, status_);	// 閸欐牕娴橀柅姘繆鐡掑懏妞?
+			notify_ui_working_status(hg_log::lang_load(ID_STATU_DESC_SCANNER_ERR_DEVICE_GET_IMAGE_OUTTIME), SANE_EVENT_ERROR, status_);	// 闁告瑦鐗曞ù姗€鏌呭顐＄箚閻℃帒鎳忓?
 			break;
 		}
 		if (ret == SCANNER_ERR_OK && usb.u32_Count > 0)
@@ -327,13 +327,17 @@ int hg_scanner_306::do_start(void)
 
 		return status_;
 	}
-	ret = get_scanner_paperon(val);
-	if (!val && ret == SCANNER_ERR_OK)
+	if (!no_paper_check_)
 	{
-		status_ = SCANNER_ERR_DEVICE_NO_PAPER;
+		ret = get_scanner_paperon(val);
+		if (!val && ret == SCANNER_ERR_OK)
+		{
+			status_ = SCANNER_ERR_DEVICE_NO_PAPER;
 
-		return status_;
+			return status_;
+		}
 	}
+
 	if (ret != SCANNER_ERR_OK)
 	{
 		return ret;
@@ -1431,7 +1435,7 @@ int hg_scanner_306::set_firmware_upgrade(std::string str)
 		}	
 		else
 		{
-			printf("升级中\r\n");
+			printf("鍗囩骇涓璡r\n");
 			sw.reset();
 		}
 		sw.reset();
@@ -1571,7 +1575,7 @@ int hg_scanner_306::set_updata0303(void)
 	}
 	return 0;
 }
-int hg_scanner_306::get_devs_cpu(string& cpu)
+int hg_scanner_306::get_devs_cpu(int& cpu)
 {
 	std::string src_name = "/usr/local/huago/sysinfo.json";
 	std::string dst_name = "./sys.log";
@@ -1612,15 +1616,11 @@ int hg_scanner_306::get_devs_cpu(string& cpu)
 		cpu_size = js["MemTotal"];
 	}
 
-	float num = (float)cpu_size / 1024 / 1024 / 1024;
-	char buf[10] = { 0 };
-	sprintf(buf, "%.2f", num);
-	strcat(buf, "GB");
-	cpu = buf;
+	cpu = cpu_size / 1024;
 
 	return ret;
 }
-int hg_scanner_306::get_devs_disk(string& disk)
+int hg_scanner_306::get_devs_disk(int& disk)
 {
 	std::string src_name = "/usr/local/huago/sysinfo.json";
 	std::string dst_name = "./sys.log";
@@ -1661,11 +1661,7 @@ int hg_scanner_306::get_devs_disk(string& disk)
 		disk_size = js["DiskTotal"];
 	}
 
-	float num = (float)disk_size / 1024 / 1024;
-	char buf[10] = { 0 };
-	sprintf(buf, "%.2f", num);
-	strcat(buf, "GB");
-	disk = buf;
+	disk = disk_size;
 
 	return ret;
 }
diff --git a/hgdriver/hgdev/hg_scanner_306.h b/hgdriver/hgdev/hg_scanner_306.h
index 5853fdd..ecbfeee 100644
--- a/hgdriver/hgdev/hg_scanner_306.h
+++ b/hgdriver/hgdev/hg_scanner_306.h
@@ -152,6 +152,6 @@ public:
 	virtual int set_auto_flat(int data)override;                 //设置自动平场校正
 																 // data:0(ALL) 1(200dpi、gray) 2(200dpi、color) 3(300dpi、gray) 4(300dpi、color) 5(600dpi、gray) 6(600dpi、color)
 	virtual int set_updata0303(void)override;
-	virtual int get_devs_cpu(string& cpu);									//获取设备内存大小
-	virtual int get_devs_disk(string& disk);								//获取设备硬盘容量大小
+	virtual int get_devs_cpu(int& cpu);									//获取设备内存大小(kb)
+	virtual int get_devs_disk(int& disk);								//获取设备硬盘容量大小(kb)
 };