diff --git a/twain/twain/huagaods.cpp b/twain/twain/huagaods.cpp
index 8e80135..73542b5 100644
--- a/twain/twain/huagaods.cpp
+++ b/twain/twain/huagaods.cpp
@@ -1950,11 +1950,11 @@ void huagao_ds::init_support_caps(void)
 				else if (mech == 24)
 					val = COLOR_RGB;
 				else
-					val = mech;
+					val = COLOR_RGB;	// mech;
 			}
 			{
 				wchar_t info[128] = { 0 };
-				swprintf_s(info, _countof(info) - 1, L"set CapType::IBitDepth = %d\r\n", val);
+				swprintf_s(info, _countof(info) - 1, L"set CapType::IBitDepth = %d(%d)\r\n", val, (int)mech);
 				load_sane_util::log_info(info, 1);
 			}
 			SET_SANE_OPT_EX(ret, scanner_, ex_color_mode, &val);