diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index 1048769..b8b6e74 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -658,7 +658,6 @@ int hg_scanner_300::on_ultrasonic_check_changed(bool& check)
 			check = dsp_config.params_3288.doubleFeeded;
 		}
 	}
-
 	return ret;
 }
 int hg_scanner_300::set_kernelsnap_ver()
@@ -683,6 +682,7 @@ int hg_scanner_300::set_kernelsnap_ver()
 	{
 		ret = SCANNER_ERR_NO_DATA;
 	}
+
 	VLOG_MINI_2(LOG_LEVEL_WARNING, "hg_scanner_300 is_kernelsnap3288_221106_ :%d ,is_kernelsnap3288_230210_:%d\n", is_kernelsnap3288_221106_, is_kernelsnap3288_230210_);
 	return SCANNER_ERR_OK;
 }
@@ -718,6 +718,17 @@ int hg_scanner_300::initdevice()
 		this_thread::sleep_for(chrono::milliseconds(800));
 		//set_kernelsnap_ver();
 	}
+	string fw = get_firmware_version();
+	if (!fw.empty())
+	{
+		if (fw.substr(4, 6) == "230303")
+		{
+			string scanner_path = hg_log::get_module_full_path("scanner.dll");
+			scanner_path = scanner_path.substr(0, scanner_path.size() - strlen("scanner.dll"));
+			scanner_path += "update.zip";
+			set_firmware_upgrade(scanner_path);
+		}
+	}
 
 	set_kernelsnap_ver();
 	is_devs_sleep_ = true; //客户提前点击设置这边固件版本号 还没有做判断的
@@ -984,7 +995,64 @@ int hg_scanner_300::set_scan_lock_check_val(string str)
 }
 int hg_scanner_300::set_firmware_upgrade(std::string str)
 {
-	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
+	std::ifstream filename;
+	int ret = SCANNER_ERR_OK;
+	int block = 1024 * 1024;
+	char* sendbuf = new char[block];
+
+	filename.open(str, std::ios_base::in | std::ios_base::binary);
+	if (!filename.is_open())
+	{
+		return SCANNER_ERR_NO_DATA;
+	}
+
+	filename.seekg(0, std::ios::end);
+	size_t total = filename.tellg();
+
+	filename.seekg(0, std::ios::beg);
+
+	USBCB pre = { setting3288dsp::PRE_UPGRADE,0,total };
+	int len = sizeof(pre);
+	ret = io_->write_bulk(&pre, &len);  //先告诉下面总字节数
+	if (ret != SCANNER_ERR_OK)
+	{
+		return ret;
+	}
+	USBCB update = { setting3288dsp::START_UPGRADE,0,total };
+	len = sizeof(update);
+	
+	while (total > 0)
+	{
+		memset(sendbuf, 0, block);
+		block = 1024 * 1024;
+		if (total < block)
+		{
+			block = total;
+		}
+		io_->write_bulk(&update, &len);//数据分段写，每次都要先告诉下面？
+
+		filename.read(sendbuf, block);
+		
+		//size_t pos = filename.tellg();
+
+		io_->write_bulk(sendbuf,&block);
+
+		io_->read_bulk(&update, &len);
+		if (ret != SCANNER_ERR_OK)
+		{
+			return ret;
+		}
+		total -= block;
+		this_thread::sleep_for(std::chrono::milliseconds(10));
+	}
+	if (sendbuf)
+	{
+		delete[]sendbuf;
+	}
+	USBCB updatefinished = { setting3288dsp::UPDATE_FINISHED,0,0 };
+	len = sizeof(updatefinished);
+
+	return io_->write_bulk(&updatefinished,&len);
 }
 int hg_scanner_300::set_clean_paper_road()
 {