diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index 69489e3..31cccbc 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -1124,7 +1124,8 @@ bool scanner::set_option_value_with_parent(int sn, void* data, int* err)	// retu
 			strcpy(val, OPTION_VALUE_SMZS_LXSM);
 			*err = hg_sane_middleware::instance()->set_option(handle_, scan_mode_id_, SANE_ACTION_SET_VALUE, val, &after);
 		}
-		handled = false;
+		delete[] val;
+	//	handled = false;
 	}
 	else
 	{
@@ -2461,11 +2462,14 @@ COM_API_IMPLEMENT(scanner, int, set_value(int sn, void* val))
 	SANE_Option_Descriptor* desc = hg_sane_middleware::instance()->get_option_descriptor(handle_, sn);
 
 	{
-		wchar_t	msg[128] = { 0 };
+		wchar_t	msg[256] = { 0 };
 		if (ex == ex_opts_.end())
-			swprintf_s(msg, _countof(msg) - 1, L"set_value of ID: %d\r\n", sn);
+			swprintf_s(msg, _countof(msg) - 1, L"set_value of %s(%s) of ID %d\r\n", local_trans::a2u(desc->name, CP_UTF8).c_str(), local_trans::a2u(hg_sane_middleware::option_value_2_string(desc->type, val).c_str(), CP_UTF8).c_str(), sn);
 		else
-			swprintf_s(msg, _countof(msg) - 1, L"set_value of ID: %d (base id = %d)\r\n", sn, ex->base_ind);
+		{
+			desc = hg_sane_middleware::instance()->get_option_descriptor(handle_, ex->base_ind);
+			swprintf_s(msg, _countof(msg) - 1, L"set_value of %s(0x%x) of ID %d, base id = %d)\r\n", local_trans::a2u(desc->name, CP_UTF8).c_str(), *(unsigned*)val, sn, ex->base_ind);
+		}
 		log_info(msg, 0);
 	}
 
diff --git a/twain/twain/huagaods.cpp b/twain/twain/huagaods.cpp
index 09a6494..9ad8352 100644
--- a/twain/twain/huagaods.cpp
+++ b/twain/twain/huagaods.cpp
@@ -1748,7 +1748,10 @@ void huagao_ds::init_support_caps(void)
 				init = (int)data.currentItem<CapType::IPixelType>();
 			{
 				wchar_t info[128] = { 0 }, * des[] = { L"BlackWhite", L"Gray", L"Rgb" };
-				swprintf_s(info, _countof(info) - 1, L"set CapType::IPixelType = %s\r\n", des[(int)init]);
+				if((int)init < _countof(des))
+					swprintf_s(info, _countof(info) - 1, L"set CapType::IPixelType = %s\r\n", des[(int)init]);
+				else
+					swprintf_s(info, _countof(info) - 1, L"set CapType::IPixelType = 0x%x\r\n", (int)init);
 				load_sane_util::log_info(info, 0);
 			}
 			int ret = SCANNER_ERR_OK;