diff --git a/rtgui/common/rtgui_theme.c b/rtgui/common/rtgui_theme.c
index 294a7c5de5..15f9b301a3 100644
--- a/rtgui/common/rtgui_theme.c
+++ b/rtgui/common/rtgui_theme.c
@@ -259,12 +259,12 @@ void rtgui_theme_draw_win(struct rtgui_topwin* win)
 		if (win->flag & WINTITLE_ACTIVATE)
 		{
 			r = 10; g = 36; b = 106;
-			delta = (float)(rect.x2 - rect.x1) / 160;
+			delta = 150 / (float)(rect.x2 - rect.x1);
 		}
 		else
 		{
 			r = 128; g = 128; b = 128;
-			delta = (float)(rect.x2 - rect.x1) / 64;
+			delta = 64 / (float)(rect.x2 - rect.x1);
 		}
 
 		for (index = rect.x1; index < rect.x2; index ++)
@@ -450,6 +450,7 @@ void rtgui_theme_draw_textbox(rtgui_textbox_t* box)
 	/* draw button */
 	struct rtgui_dc* dc;
 	struct rtgui_rect rect;
+	rtgui_color_t fc;
 
 	/* begin drawing */
 	dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
@@ -457,19 +458,39 @@ void rtgui_theme_draw_textbox(rtgui_textbox_t* box)
 
 	/* get widget rect */
 	rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
+	fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box));
 
-	/* fill widget rect with background color */
+	/* fill widget rect with white color */
+	RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = white;
 	rtgui_dc_fill_rect(dc, &rect);
 
 	/* draw border */
-	rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_STATIC);
+	RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box)) = RTGUI_RGB(123, 158, 189);
+	rtgui_dc_draw_rect(dc, &rect);
 
 	/* draw text */
+	RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box)) = fc;
 	if (box->text != RT_NULL)
 	{
 		rect.x1 += RTGUI_TEXTBOX_MARGIN;
 
-		rtgui_dc_draw_text(dc, box->text, &rect);
+		if (box->flag & RTGUI_TEXTBOX_MASK)
+		{
+			/* draw '*' */
+			rt_size_t len = rt_strlen(box->text);
+			if (len > 0)
+			{
+				char *text_mask = rtgui_malloc(len);
+				rt_memset(text_mask, '*', len);
+				text_mask[len] = 0;
+				rtgui_dc_draw_text(dc, text_mask, &rect);
+				rt_free(text_mask);
+			}
+		}
+		else
+		{
+			rtgui_dc_draw_text(dc, box->text, &rect);
+		}
 
 		/* draw caret */
 		if (box->flag & RTGUI_TEXTBOX_CARET_SHOW)
@@ -477,8 +498,10 @@ void rtgui_theme_draw_textbox(rtgui_textbox_t* box)
 			rect.x1 += box->position * box->font_width;
 			rect.x2 = rect.x1 + box->font_width;
 
+			rect.y2 -= 2;
 			rect.y1 = rect.y2 - 3;
 
+			RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = black;
 			rtgui_dc_fill_rect(dc, &rect);
 		}
 	}
@@ -669,6 +692,7 @@ void rtgui_theme_draw_radiobox(struct rtgui_radiobox* radiobox)
 	{
 		/* set the first text rect */
 		item_rect.x2 = item_rect.x1 + item_size;
+		item_rect.y2 = item_rect.y1 + bord_size;
 
 		/* draw each radio button */
 		for (index = 0; index < radiobox->item_count; index ++)
@@ -866,7 +890,9 @@ void rtgui_theme_draw_staticline(struct rtgui_staticline* staticline)
 	/* begin drawing */
 	dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(staticline));
 	if (dc == RT_NULL) return ;
+
 	rtgui_widget_get_rect(RTGUI_WIDGET(staticline), &rect);
+	rtgui_dc_fill_rect(dc, &rect);
 	
 	if (staticline->orientation == RTGUI_HORIZONTAL)
 	{
diff --git a/rtgui/include/rtgui/rtgui.h b/rtgui/include/rtgui/rtgui.h
index 50e3b5b59b..62b229c4e6 100644
--- a/rtgui/include/rtgui/rtgui.h
+++ b/rtgui/include/rtgui/rtgui.h
@@ -15,7 +15,6 @@
 #define __RT_GUI_H__
 
 #include <rtthread.h>
-
 #include <rtgui/rtgui_config.h>
 
 #define RT_INT16_MAX		32767
diff --git a/rtgui/include/rtgui/rtgui_config.h b/rtgui/include/rtgui/rtgui_config.h
index add5a4b9f8..ea990c2486 100644
--- a/rtgui/include/rtgui/rtgui_config.h
+++ b/rtgui/include/rtgui/rtgui_config.h
@@ -42,9 +42,18 @@
 
 #define RTGUI_SVR_THREAD_PRIORITY		15
 #define RTGUI_SVR_THREAD_TIMESLICE		5
+#ifdef RTGUI_USING_SMALL_SIZE
+#define RTGUI_SVR_THREAD_STACK_SIZE		1024
+#else
 #define RTGUI_SVR_THREAD_STACK_SIZE		2048
+#endif
 
 #define RTGUI_APP_THREAD_PRIORITY		25
-#define RTGUI_APP_THREAD_TIMESLICE		8
+#define RTGUI_APP_THREAD_TIMESLICE		5
+#ifdef RTGUI_USING_SMALL_SIZE
+#define RTGUI_APP_THREAD_STACK_SIZE		1024
+#else
+#define RTGUI_APP_THREAD_STACK_SIZE		2048
+#endif
 
 #endif
diff --git a/rtgui/include/rtgui/widgets/textbox.h b/rtgui/include/rtgui/widgets/textbox.h
index 95259e9b0e..c1378fd2fc 100644
--- a/rtgui/include/rtgui/widgets/textbox.h
+++ b/rtgui/include/rtgui/widgets/textbox.h
@@ -29,6 +29,7 @@
 
 #define RTGUI_TEXTBOX_SINGLE			0x00
 #define RTGUI_TEXTBOX_MULTI				0x01
+#define RTGUI_TEXTBOX_MASK				0x02
 #define RTGUI_TEXTBOX_CARET_SHOW		0x10
 #define RTGUI_TEXTBOX_CARET_HIDE		0x00
 
diff --git a/rtgui/server/server.c b/rtgui/server/server.c
index 48dff11fcf..43694198e8 100644
--- a/rtgui/server/server.c
+++ b/rtgui/server/server.c
@@ -480,9 +480,15 @@ static void rtgui_server_entry(void* parameter)
 	SetThreadPriority(hCurrentThread, THREAD_PRIORITY_HIGHEST);
 #endif
 
+#ifdef RTGUI_USING_SMALL_SIZE
+	/* create rtgui server msgq */
+	rtgui_server_mq = rt_mq_create("rtgui",
+		64, 8, RT_IPC_FLAG_FIFO);
+#else
 	/* create rtgui server msgq */
 	rtgui_server_mq = rt_mq_create("rtgui",
 		256, 8, RT_IPC_FLAG_FIFO);
+#endif
 	/* register rtgui server thread */
 	rtgui_thread_register(rtgui_server_tid, rtgui_server_mq);
 
@@ -495,7 +501,11 @@ static void rtgui_server_entry(void* parameter)
 	while (1)
 	{
 		/* the buffer uses to receive event */
+#ifdef RTGUI_USING_SMALL_SIZE
+		char event_buf[64];
+#else
 		char event_buf[256];
+#endif
 		struct rtgui_event* event = (struct rtgui_event*)&(event_buf[0]);
 
 		if (rtgui_thread_recv(event, sizeof(event_buf)) == RT_EOK)
diff --git a/rtgui/widgets/radiobox.c b/rtgui/widgets/radiobox.c
index 3f333fd1d7..d5bd39f841 100644
--- a/rtgui/widgets/radiobox.c
+++ b/rtgui/widgets/radiobox.c
@@ -49,8 +49,9 @@ static void rtgui_radiobox_onmouse(struct rtgui_radiobox* radiobox, struct rtgui
 		/* focus widgets */
 		rtgui_widget_focus(RTGUI_WIDGET(radiobox));
 
-		/* get widget rect */
+		/* get widget physical rect */
 		rtgui_widget_get_rect(RTGUI_WIDGET(radiobox), &rect);
+		rtgui_widget_rect_to_device(RTGUI_WIDGET(radiobox), &rect);
 
 		/* get board size */
 		if (radiobox->orient == RTGUI_VERTICAL)
@@ -187,7 +188,7 @@ struct rtgui_radiobox* rtgui_radiobox_create(const char* label, int orient, char
 			for (index = 0; index < number; index ++)
 			{
 				rtgui_font_get_metrics(font, radio_items[index], &rect);
-				if (rtgui_rect_width(rect) > radiobox->item_size)
+				if ( (board_size + 3 + rtgui_rect_width(rect)) > radiobox->item_size)
 					radiobox->item_size = board_size + 3 + rtgui_rect_width(rect);
 			}
 		}
diff --git a/rtgui/widgets/staticline.c b/rtgui/widgets/staticline.c
index a8217457b0..055bb353d8 100644
--- a/rtgui/widgets/staticline.c
+++ b/rtgui/widgets/staticline.c
@@ -10,9 +10,6 @@ static void _rtgui_staticline_constructor(rtgui_staticline_t *staticline)
 	rtgui_widget_set_rect(RTGUI_WIDGET(staticline), &rect);
 	staticline->orientation= RTGUI_HORIZONTAL;
 
-	/* set background color */
-	RTGUI_WIDGET(staticline)->gc.background = RTGUI_RGB(64, 64, 64);
-
 	rtgui_widget_set_event_handler(RTGUI_WIDGET(staticline), rtgui_staticline_event_handler);
 }
 
diff --git a/rtgui/widgets/textbox.c b/rtgui/widgets/textbox.c
index e91b046a71..c28f193b37 100644
--- a/rtgui/widgets/textbox.c
+++ b/rtgui/widgets/textbox.c
@@ -127,8 +127,13 @@ static void rtgui_textbox_onmouse(struct rtgui_textbox* box, struct rtgui_event_
 			box->position = x / box->font_width;
 		}
 
+		/* set caret to show */
+		box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
+
 		/* set widget focus */
 		rtgui_widget_focus(RTGUI_WIDGET(box));
+		/* re-draw text box */
+		rtgui_theme_draw_textbox(box);
 	}
 }
 
@@ -236,6 +241,8 @@ static rt_bool_t rtgui_textbox_onfocus(struct rtgui_widget* widget, struct rtgui
 {
 	struct rtgui_textbox* box = (struct rtgui_textbox*)widget;
 
+	/* set caret to show */
+	box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
 	/* start caret timer */
 	rtgui_timer_start(box->caret_timer);
 
@@ -248,7 +255,8 @@ static rt_bool_t rtgui_textbox_onunfocus(struct rtgui_widget* widget, struct rtg
 
 	/* stop caret timer */
 	rtgui_timer_stop(box->caret_timer);
-	/* hide caret */
+	/* set caret to hide */
+	box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
 
 	return RT_TRUE;
 }
diff --git a/rtgui/widgets/title.c b/rtgui/widgets/title.c
index 2a38c703a5..005f125ee2 100644
--- a/rtgui/widgets/title.c
+++ b/rtgui/widgets/title.c
@@ -19,6 +19,7 @@ static void _rtgui_wintitle_constructor(rtgui_wintitle_t* wintitle)
 {
 	wintitle->title = RT_NULL;
 	RTGUI_WIDGET(wintitle)->flag = RTGUI_WIDGET_FLAG_DEFAULT;
+	RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(wintitle)) = RTGUI_ALIGN_CENTER_VERTICAL;
 }
 
 static void _rtgui_wintitle_deconstructor(rtgui_wintitle_t* wintitle)