diff --git a/twain/twain/huagaods.cpp b/twain/twain/huagaods.cpp
index ba73f3f..d557e32 100644
--- a/twain/twain/huagaods.cpp
+++ b/twain/twain/huagaods.cpp
@@ -1988,6 +1988,12 @@ void huagao_ds::init_support_caps(void)
 			auto mech = data.currentItem<CapType::IBitDepth>();
 			if (Msg::Set == msg)
 			{
+#ifdef	ARMY_SCANNER
+				if (mech >= 0 && mech <= 2)
+					val = mech;
+				else
+					val = COLOR_RGB;
+#else
 				if (mech == 1)
 					val = COLOR_BW;
 				else if (mech == 8)
@@ -1996,6 +2002,7 @@ void huagao_ds::init_support_caps(void)
 					val = COLOR_RGB;
 				else
 					val = COLOR_RGB;	// mech;
+#endif
 			}
 			{
 				wchar_t info[128] = { 0 };
@@ -2653,19 +2660,26 @@ void huagao_ds::init_support_caps(void)
 		int init = 128, l = 1, u = 255, step = 1, now = 128;
 		int ret = SCANNER_ERR_OK;
 		std::vector<int>	all;
+#ifdef ARMY_SCANNER
+		float	range_l = .0f,
+				range_h = 100.0f;
+#else
+		float	range_l = -1000.0f,
+				range_h = 1000.0f;
+#endif
 		GET_SANE_OPT_EX(int, scanner_, bright, NULL, &all);
 		init = all[sane_opts::RANGE_POS_DEFAULT];
 		now = all[sane_opts::RANGE_POS_CURRENT];
 		l = all[sane_opts::RANGE_POS_LOWER];
 		u = all[sane_opts::RANGE_POS_UPPER];
 		step = all[sane_opts::RANGE_POS_STEP];
-		float	sf = trans_range((float)step, (float)l, (float)u, -1000.0f, 1000.0f, true),
-				nf = trans_range((float)now, (float)l, (float)u, -1000.0f, 1000.0f),
-				initf = trans_range((float)init, (float)l, (float)u, -1000.0f, 1000.0f);
+		float	sf = trans_range((float)step, (float)l, (float)u, range_l, range_h, true),
+				nf = trans_range((float)now, (float)l, (float)u, range_l, range_h),
+				initf = trans_range((float)init, (float)l, (float)u, range_l, range_h);
 		switch (msg) {
 		case Msg::Get:
-			sf = 333.333f;
-			data = Capability::createRange<CapType::IBrightness>(Fix32(-1000.0f), Fix32(1000.0f), Fix32(sf), Fix32(nf), Fix32(initf));
+			//sf = 333.333f;
+			data = Capability::createRange<CapType::IBrightness>(Fix32(range_l), Fix32(range_h), Fix32(sf), Fix32(nf), Fix32(initf));
 			return success();
 		case Msg::GetCurrent:
 			data = Capability::createOneValue<CapType::IBrightness>(Fix32(nf));
@@ -2675,16 +2689,16 @@ void huagao_ds::init_support_caps(void)
 			return success();
 		case Msg::Set: {
 			auto mech = data.currentItem<CapType::IBrightness>();
-			if (mech > 1000.0f || mech < -1000.0f)
+			if (mech > range_h || mech < range_l)
 				return badValue();
 			initf = mech.toFloat();
 		}
 		case Msg::Reset:
-			now = (int)(trans_range(initf, -1000.0f, 1000.0f, (float)l, (float)u) + .5f);
+			now = (int)(trans_range(initf, range_l, range_h, (float)l, (float)u) + .5f);
 			SET_SANE_OPT_EX(ret, scanner_, bright, &now);
 			if (Msg::Reset == msg)
 			{
-				initf = trans_range((float)now, (float)l, (float)u, -1000.0f, 1000.0f, true);
+				initf = trans_range((float)now, (float)l, (float)u, range_l, range_h, true);
 				data = Capability::createOneValue<CapType::IBrightness>(Fix32(initf));
 			}
 			return ret == SCANNER_ERR_OK ? success() : badValue();
@@ -2705,13 +2719,20 @@ void huagao_ds::init_support_caps(void)
 		l = all[sane_opts::RANGE_POS_LOWER];
 		u = all[sane_opts::RANGE_POS_UPPER];
 		step = all[sane_opts::RANGE_POS_STEP];
-		float	sf = trans_range((float)step, (float)l, (float)u, -1000.0f, 1000.0f, true),
-				nf = trans_range((float)now, (float)l, (float)u, -1000.0f, 1000.0f),
-				initf = trans_range((float)init, (float)l, (float)u, -1000.0f, 1000.0f);
+#ifdef ARMY_SCANNER
+		float	range_l = .0f,
+				range_h = 100.0f;
+#else
+		float	range_l = -1000.0f,
+				range_h = 1000.0f;
+#endif
+		float	sf = trans_range((float)step, (float)l, (float)u, range_l, range_h, true),
+				nf = trans_range((float)now, (float)l, (float)u, range_l, range_h),
+				initf = trans_range((float)init, (float)l, (float)u, range_l, range_h);
 		switch (msg) {
 		case Msg::Get:
 		//	sf = 333.333f;
-			data = Capability::createRange<CapType::IContrast>(Fix32(-1000.0f), Fix32(1000.0f), Fix32(sf), Fix32(nf), Fix32(initf));
+			data = Capability::createRange<CapType::IContrast>(Fix32(range_l), Fix32(range_h), Fix32(sf), Fix32(nf), Fix32(initf));
 			return success();
 		case Msg::GetCurrent:
 			data = Capability::createOneValue<CapType::IContrast>(Fix32(nf));
@@ -2721,16 +2742,16 @@ void huagao_ds::init_support_caps(void)
 			return success();
 		case Msg::Set: {
 			auto mech = data.currentItem<CapType::IContrast>();
-			if (mech > 1000.0f || mech < -1000.0f)
+			if (mech > range_h || mech < range_l)
 				return badValue();
 			initf = mech.toFloat();
 		}
 		case Msg::Reset:
-			now = (int)(trans_range(initf, -1000.0f, 1000.0f, (float)l, (float)u) + .5f);
+			now = (int)(trans_range(initf, range_l, range_h, (float)l, (float)u) + .5f);
 			SET_SANE_OPT_EX(ret, scanner_, contrast, &now);
 			if (Msg::Reset == msg)
 			{
-				initf = trans_range((float)now, (float)l, (float)u, -1000.0f, 1000.0f, true);
+				initf = trans_range((float)now, (float)l, (float)u, range_l, range_h, true);
 				data = Capability::createOneValue<CapType::IContrast>(Fix32(initf));
 			}
 			return ret == SCANNER_ERR_OK ? success() : badValue();