diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index 5ec1bdd..7227812 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -110,6 +110,7 @@ hg_scanner_300::hg_scanner_300(const char* dev_name,int pid, usb_io* io) :
 	firmware_sup_dirty_check = year_date.compare("231021") >= 0 ? true : false;
 	firmware_sup_backup_restore = year_date.compare("231021") >= 0 ? true : false;
 	firmware_sup_boardTime = year_date.compare("231021") >= 0 ? true : false;
+	firmware_sup_double_img = year_date.compare("231021") >= 0 ? true : false;
 
 #ifndef MAPPING_FUNCTION_IN_BASE
 	init_setting_map(setting_map_, ARRAY_SIZE(setting_map_));//优先初始化
@@ -1659,7 +1660,7 @@ int hg_scanner_300::set_restore()
 
 	usbcb.u32_CMD = setting3288dsp::GET_RECOVERY_STATUS;
 	StopWatch sw;
-	while (sw.elapsed_ms()< 5000.0)
+	while (sw.elapsed_ms()< 8000.0)
 	{
 		len = sizeof(USBCB);
 		ret = io_->write_bulk(&usbcb, &len);