diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index 014869d..c4203f8 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -1454,10 +1454,9 @@ void hg_scanner_239::thread_get_dves_image(void)
 				if (img_conf_.resolution_dst > 200 && is_quality_ == IMG_QUALITY) //鍒犻櫎杩欐浠ｇ爜锛屼綘鍙兘闇€瑕佽€冭檻涓€涓嬪悗鏋?
 					std::this_thread::sleep_for(std::chrono::milliseconds(5000));
 				else
-					std::this_thread::sleep_for(std::chrono::milliseconds(500));
+					std::this_thread::sleep_for(std::chrono::milliseconds(2000));
 			}
 
-
 			int rest = 0;
 			while (get_image_count() > 0)
 			{