diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 36469ac..f0da34e 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -1,4 +1,4 @@
-#include "hg_scanner.h"
+#include "hg_scanner.h"
 #include "../wrapper/hg_log.h"
 #include "sane/sane_option_definitions.h"
 #include "scanner_setting.h"
@@ -1611,13 +1611,17 @@ int hg_scanner::setting_rid_color(void* data, long* len)
 }
 int hg_scanner::setting_rid_multi_red(void* data, long* len)
 {
+	int val = 2;
 	image_prc_param_.bits.rid_red = *((bool*)data);
+	on_color_mode_changed(val);
 
 	return SCANNER_ERR_OK;
 }
 int hg_scanner::setting_rid_answer_red(void* data, long* len)
 {
+	int val = 2;
 	image_prc_param_.bits.rid_answer_red = *((bool*)data);
+	on_color_mode_changed(val);
 
 	return SCANNER_ERR_OK;
 }