diff --git a/twain/twain/huagaods.cpp b/twain/twain/huagaods.cpp
index f7605d8..340b508 100644
--- a/twain/twain/huagaods.cpp
+++ b/twain/twain/huagaods.cpp
@@ -2576,13 +2576,13 @@ void huagao_ds::init_support_caps(void)
 		if (Msg::Set == msg) {
 			auto autodetectborder = data.currentItem<CapType::IAutomaticBorderDetection>();
 			int ret = SCANNER_ERR_OK;
-			SET_SANE_OPT_EX(ret, scanner_, is_size_check, (bool*)&autodetectborder);
+			SET_SANE_OPT_EX(ret, scanner_, ex_auto_paper_size, (bool*)&autodetectborder);
 			return ret == SCANNER_ERR_OK ? success() : badValue();
 		}
 		Bool init = false,
 			erase = false;
 		std::vector<bool>	all;
-		GET_SANE_OPT_EX(bool, scanner_, is_size_check, NULL, &all);
+		GET_SANE_OPT_EX(bool, scanner_, ex_auto_paper_size, NULL, &all);
 		init = (bool)all[sane_opts::RANGE_POS_DEFAULT];
 		erase = (bool)all[sane_opts::RANGE_POS_CURRENT];
 		return CapSupGetAllReset<Bool, Bool, CapType::IAutomaticBorderDetection>(msg, data, { false,true }, erase, init, erase ? 1 : 0, 0);