diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 1b036ba..bc4569b 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -3726,7 +3726,7 @@ void hg_scanner::image_process(std::shared_ptr<tiny_buffer>& buffer)
 		
 		if (pid_ != 0x239 && pid_ != 0x439)
 		{
-			float dpi3288 = (img_conf_.resolution_dst > 300 && is_kernelsnap3288_221106_) ? 300 : 200;
+			float dpi3288 = (img_conf_.resolution_dst >= 300 && is_kernelsnap3288_221106_) ? 300 : 200;
 
 			ret = hg_imgproc::auto_crop(ImagePrc_pHandle_, dpi3288);
 			(this->*dump_img_)(ImagePrc_pHandle_, "auto_crop");