diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index 7bbf9e4..cf188d0 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -225,7 +225,8 @@ namespace hg_imgproc
 			,Dynamicopen_HGBase_pHandle_(NULL)
 			,Dynamicopen_HGImageprc_pHandle_(NULL),isx86_Advan_(isx86_Advan)
 		{
-			cv::setUseOptimized(isx86_Advan_); //寮€鍏砪pu楂樼骇鎸囦护闆?
+			if(hg_log::ini_get("opencv", "speed-first") == "1")
+				cv::setUseOptimized(isx86_Advan_); //寮€鍏砪pu楂樼骇鎸囦护闆?
 		}
 		~imgproc()
 		{