diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 007b4bb..01f04ec 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -3408,6 +3408,14 @@ int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
 		is_auto_falt = true;
 		return set_auto_flat();
 	}
+	else if (code == IO_CTRL_CODE_SET_COLOR)
+	{
+		return setting_color_mode(data);
+	}
+	else if (code == IO_CTRL_CODE_SET_DPI)
+	{
+		return setting_resolution(data);
+	}
 	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 std::string hg_scanner::get_firmware_version(void)
diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index 397c36f..fbc527c 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -165,7 +165,7 @@ void hg_scanner_300::thread_handle_usb_read(void)
 			}
 		}
 
-		if (sw.elapsed_ms() > 30000 && !is_auto_falt)//防止状态信息一直取不上来导致卡死
+		if (sw.elapsed_ms() > 20000 && !is_auto_falt)//防止状态信息一直取不上来导致卡死
 		{
 			//3288固件 获取有纸无纸问题的bug，如果是打开盖子在start之前【主动】获取的话，会先报无纸，而不是开盖。
 			//但是在【端点】又获取不到有纸还是无纸的状态，所以只能通过等待超时，再来【主动】获取有无纸张。