diff --git a/examples/gui/demo_view_checkbox.c b/examples/gui/demo_view_checkbox.c
index 014ffb512d..a122168301 100644
--- a/examples/gui/demo_view_checkbox.c
+++ b/examples/gui/demo_view_checkbox.c
@@ -23,7 +23,7 @@ rtgui_view_t* demo_view_checkbox(rtgui_workbench_t* workbench)
 	rect.x1 += 5; rect.x2 = rect.x1 + 100;
 	rect.y1 += 5; rect.y2 = rect.y1 + 20;
 	/* 创建一个checkbox控件 */
-	checkbox = rtgui_checkbox_create("Red");
+	checkbox = rtgui_checkbox_create("Red",RT_TRUE);
 	/* 设置前景色为红色 */
 	RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox)) = red;
 	/* 设置checkbox的位置 */
@@ -36,7 +36,7 @@ rtgui_view_t* demo_view_checkbox(rtgui_workbench_t* workbench)
 	rect.x1 += 5; rect.x2 = rect.x1 + 100;
 	rect.y1 += 5 + 25; rect.y2 = rect.y1 + 20;
 	/* 创建一个checkbox控件 */
-	checkbox = rtgui_checkbox_create("Blue");
+	checkbox = rtgui_checkbox_create("Blue",RT_TRUE);
 	/* 设置前景色为蓝色 */
 	RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox)) = blue;
 	/* 设置checkbox的位置 */
@@ -49,7 +49,7 @@ rtgui_view_t* demo_view_checkbox(rtgui_workbench_t* workbench)
 	rect.x1 += 5; rect.x2 = rect.x1 + 100;
 	rect.y1 += 5 + 25 + 25; rect.y2 = rect.y1 + 20;
 	/* 创建一个checkbox控件 */
-	checkbox = rtgui_checkbox_create("12 font");
+	checkbox = rtgui_checkbox_create("12 font",RT_TRUE);
 	/* 设置字体为12点阵 */
 	font = rtgui_font_refer("asc", 12);
 	RTGUI_WIDGET_FONT(RTGUI_WIDGET(checkbox)) = font;
@@ -63,7 +63,7 @@ rtgui_view_t* demo_view_checkbox(rtgui_workbench_t* workbench)
 	rect.x1 += 5; rect.x2 = rect.x1 + 100;
 	rect.y1 += 5 + 25 + 25 + 25; rect.y2 = rect.y1 + 20;
 	/* 创建一个checkbox控件 */
-	checkbox = rtgui_checkbox_create("16 font");
+	checkbox = rtgui_checkbox_create("16 font",RT_TRUE);
 	/* 设置字体为16点阵 */
 	font = rtgui_font_refer("asc", 16);
 	RTGUI_WIDGET_FONT(RTGUI_WIDGET(checkbox)) = font;
diff --git a/examples/gui/demo_view_textbox.c b/examples/gui/demo_view_textbox.c
index 6ae136e160..8f16351a42 100644
--- a/examples/gui/demo_view_textbox.c
+++ b/examples/gui/demo_view_textbox.c
@@ -33,7 +33,7 @@ rtgui_view_t* demo_view_textbox(rtgui_workbench_t* workbench)
 	textbox_rect = rect;
 	textbox_rect.x1 = textbox_rect.x2 + 5; textbox_rect.x2 = textbox_rect.x1 + 160;
     /* ����һ��textbox�ؼ� */
-	text = rtgui_textbox_create("bernard");
+	text = rtgui_textbox_create("bernard",RTGUI_TEXTBOX_SINGLE);
     /* ����textbox�ؼ���λ�� */
 	rtgui_widget_set_rect(RTGUI_WIDGET(text), &textbox_rect);
     /* ����textbox�ؼ�����ͼ�� */
@@ -50,7 +50,7 @@ rtgui_view_t* demo_view_textbox(rtgui_workbench_t* workbench)
 	textbox_rect = rect;
 	textbox_rect.x1 = textbox_rect.x2 + 5; textbox_rect.x2 = textbox_rect.x1 + 160;
     /* ����һ��textbox�ؼ� */
-	text = rtgui_textbox_create("bernard.xiong@gmail.com");
+	text = rtgui_textbox_create("bernard.xiong@gmail.com",RTGUI_TEXTBOX_SINGLE);
     /* ����textbox�ؼ���λ�� */
 	rtgui_widget_set_rect(RTGUI_WIDGET(text), &textbox_rect);
     /* ����textbox�ؼ�����ͼ�� */
@@ -66,7 +66,7 @@ rtgui_view_t* demo_view_textbox(rtgui_workbench_t* workbench)
 	textbox_rect = rect;
 	textbox_rect.x1 = textbox_rect.x2 + 5; textbox_rect.x2 = textbox_rect.x1 + 160;
     /* ����һ��textbox�ؼ� */
-	text = rtgui_textbox_create("rt-thread");
+	text = rtgui_textbox_create("rt-thread",RTGUI_TEXTBOX_SINGLE);
     /* ����textbox��ʾ�ı�Ϊ������ʽ(����ʾΪ*�ţ��ʺ�����ʾ��������) */
 	text->flag |= RTGUI_TEXTBOX_MASK;
     /* ����textbox�ؼ���λ�� */
@@ -84,7 +84,7 @@ rtgui_view_t* demo_view_textbox(rtgui_workbench_t* workbench)
 	textbox_rect = rect;
 	textbox_rect.x1 = textbox_rect.x2 + 5; textbox_rect.x2 = textbox_rect.x1 + 160;
     /* ����һ��textbox�ؼ� */
-	text = rtgui_textbox_create("http://www.rt-thread.org");
+	text = rtgui_textbox_create("http://www.rt-thread.org",RTGUI_TEXTBOX_SINGLE);
     /* ����textbox�ؼ���λ�� */
 	rtgui_widget_set_rect(RTGUI_WIDGET(text), &textbox_rect);
     /* ����textbox�ؼ�����ͼ�� */