diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c
index effa5c654fc7d2fecebcc2b1cc62bd0ff63356af..6052c2e1aed9e096949b3aed45e3e4a8711404ad 100644
--- a/components/finsh/cmd.c
+++ b/components/finsh/cmd.c
@@ -386,7 +386,7 @@ int list_module(void)
 
 FINSH_FUNCTION_EXPORT(list_module, list module in system)
 
-int list_module_obj(const char* name)
+int list_mod_detail(const char* name)
 {
 	int i;
 	struct rt_module *module;
@@ -480,7 +480,7 @@ int list_module_obj(const char* name)
 
 	return 0;
 }
-FINSH_FUNCTION_EXPORT(list_module_obj, list module objects in system)
+FINSH_FUNCTION_EXPORT(list_mod_detail, list module objects in system)
 #endif
 
 int list()
diff --git a/components/libdl/dlopen.c b/components/libdl/dlopen.c
index f31623083fc21d33e2545f8c56d16e90c6f5d6a4..52c860100ca54aaac6b05651add98a93a1fe861e 100644
--- a/components/libdl/dlopen.c
+++ b/components/libdl/dlopen.c
@@ -15,7 +15,7 @@
 #include <rtthread.h>
 #include <rtm.h>
 
-#define MODULE_ROOT_DIR		"/module"
+#define MODULE_ROOT_DIR		"/module/lib"
 
 void* dlopen(const char *filename, int flags)
 {
diff --git a/examples/module/ftk_demo/demo_bidi.c b/examples/module/ftk_demo/demo_bidi.c
deleted file mode 100644
index f6d0444db1334094c51d0b0e3d9f27fd4052c19d..0000000000000000000000000000000000000000
--- a/examples/module/ftk_demo/demo_bidi.c
+++ /dev/null
@@ -1,88 +0,0 @@
-#include "ftk.h"
-
-typedef struct _TimerInfo
-{
-	int times;
-	FtkWidget* label;
-}TimerInfo;
-
-static Ret timeout(void* ctx)
-{
-	TimerInfo* info = ctx;
-	char buffer[32] = {0};
-	if(info->times > 0)
-	{
-		snprintf(buffer, sizeof(buffer), "Quit after %d seconds", info->times);
-		ftk_widget_set_text(info->label, buffer);
-		info->times--;
-
-		return RET_OK;
-	}
-	else
-	{
-		ftk_widget_unref(ftk_widget_toplevel(info->label));
-		ftk_logd("%s: timeout and quit.\n", __func__);
-		FTK_FREE(info);
-		FTK_QUIT();
-		return RET_REMOVE;
-	}
-}
-
-#ifdef FTK_AS_PLUGIN
-#include "ftk_app_demo.h"
-FTK_HIDE int FTK_MAIN(int argc, char* argv[]);
-FtkApp* ftk_app_demo_bidi_create()
-{
-	return ftk_app_demo_create(_("bidi"), ftk_main);
-}
-#else
-#define FTK_HIDE extern
-#endif /*FTK_AS_PLUGIN*/
-
-FTK_HIDE int FTK_MAIN(int argc, char* argv[])
-{
-	int width = 0;
-	int height = 0;
-	FtkGc gc = {.mask = FTK_GC_BG};
-	TimerInfo* info = NULL;
-
-	FTK_INIT(argc, argv);
-	info = (TimerInfo*)FTK_ZALLOC(sizeof(TimerInfo));
-	info->times = 100;
-		
-	FtkSource* timer = ftk_source_timer_create(1000, timeout, info);
-	FtkWidget* win = ftk_app_window_create();
-
-	width = ftk_widget_width(win);
-	height = ftk_widget_height(win);
-
-	FtkWidget* label = ftk_label_create(win, 10, 10, width - 20, 20);
-	ftk_widget_set_text(label, "arabic bidi demo");
-	
-	label = ftk_label_create(win, 10, 40, width - 20, 20);
-	ftk_widget_set_text(label, "English Text");
-	assert(strcmp(ftk_widget_get_text(label), "English Text") == 0);
-	
-	gc.bg.a = 0xff;
-	gc.bg.r = 0xF0;
-	gc.bg.g = 0xF0;
-	gc.bg.b = 0x80;
-	label = ftk_label_create(win, 10, height/2, width - 20, 120);
-	ftk_widget_set_gc(label, FTK_WIDGET_INSENSITIVE, &gc);
-	ftk_widget_unset_attr(label, FTK_ATTR_TRANSPARENT);
-	ftk_widget_set_text(label, "ان منح حياتك للمسيح تعد خطوة ايمان يمكنك القيام بها عن طريق الصلاة");
-	
-	label = ftk_label_create(win, 50, height/2-30, width, 20);
-	info->label = label;
-	
-	ftk_widget_set_text(win, "label demo");
-	ftk_widget_show_all(win, 1);
-
-	ftk_widget_set_attr(win, FTK_ATTR_IGNORE_CLOSE);
-	ftk_main_loop_add_source(ftk_default_main_loop(), timer);
-
-	FTK_RUN();
-
-	return 0;
-}
-
diff --git a/examples/module/ftk_demo/demo_cairo.c b/examples/module/ftk_demo/demo_cairo.c
deleted file mode 100644
index aa1aa6fa2405ab3b44554ab6d4cbe5ba1a0e672b..0000000000000000000000000000000000000000
--- a/examples/module/ftk_demo/demo_cairo.c
+++ /dev/null
@@ -1,375 +0,0 @@
-#include <math.h>
-#ifdef ENABLE_CAIRO
-#include "ftk_cairo.h"
-
-static cairo_t* cr = NULL;
-
-static void paint_clip_image(int x, int y, int width, int height)
-{
-	int              w, h;
-	cairo_surface_t *image;
-	char filename[FTK_MAX_PATH+1] = {0};
-
-	cairo_translate (cr, x, y);
-	
-	cairo_arc (cr, width/2, height/4, width/3, 0, 2*M_PI);
-	cairo_clip (cr);
-	cairo_new_path (cr); /* path not consumed by clip()*/
-
-	ftk_snprintf(filename, FTK_MAX_PATH, "%s/png1.png", 
-		ftk_config_get_test_data_dir(ftk_default_config()));
-	image = cairo_image_surface_create_from_png (filename);
-
-	w = cairo_image_surface_get_width (image);
-	h = cairo_image_surface_get_height (image);
-
-//	cairo_scale (cr, 256.0/w, 256.0/h);
-
-	cairo_set_source_surface (cr, image, 0, 0);
-	cairo_paint (cr);
-
-	cairo_surface_destroy (image);
-
-	return;
-}
-
-static void paint_rect(int x, int y, int width, int height)
-{
-	/* a custom shape that could be wrapped in a function */
-	double x0      = 25.6,   /* parameters like cairo_rectangle */
-		   y0      = 25.6,
-		   rect_width  = 204.8,
-		   rect_height = 204.8,
-		   radius = 102.4;   /* and an approximate curvature radius */
-
-	double x1,y1;
-
-	cairo_translate (cr, x, y);
-	x1=x0+rect_width;
-	y1=y0+rect_height;
-	if (!rect_width || !rect_height)
-		return;
-	if (rect_width/2<radius) {
-		if (rect_height/2<radius) {
-			cairo_move_to  (cr, x0, (y0 + y1)/2);
-			cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1)/2, y0);
-			cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1)/2);
-			cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0)/2, y1);
-			cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1)/2);
-		} else {
-			cairo_move_to  (cr, x0, y0 + radius);
-			cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1)/2, y0);
-			cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius);
-			cairo_line_to (cr, x1 , y1 - radius);
-			cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0)/2, y1);
-			cairo_curve_to (cr, x0, y1, x0, y1, x0, y1- radius);
-		}
-	} else {
-		if (rect_height/2<radius) {
-			cairo_move_to  (cr, x0, (y0 + y1)/2);
-			cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0);
-			cairo_line_to (cr, x1 - radius, y0);
-			cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1)/2);
-			cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1);
-			cairo_line_to (cr, x0 + radius, y1);
-			cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1)/2);
-		} else {
-			cairo_move_to  (cr, x0, y0 + radius);
-			cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0);
-			cairo_line_to (cr, x1 - radius, y0);
-			cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius);
-			cairo_line_to (cr, x1 , y1 - radius);
-			cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1);
-			cairo_line_to (cr, x0 + radius, y1);
-			cairo_curve_to (cr, x0, y1, x0, y1, x0, y1- radius);
-		}
-	}
-	cairo_close_path (cr);
-
-	cairo_set_source_rgb (cr, 0.5, 0.5, 1);
-	cairo_fill_preserve (cr);
-	cairo_set_source_rgba (cr, 0.5, 0, 0, 0.5);
-	cairo_set_line_width (cr, 10.0);
-	cairo_stroke (cr);
-
-	return;
-}
-
-static void paint_pic(int x, int y, int width, int height)
-{
-	int              w, h;
-	cairo_surface_t *image;
-	cairo_pattern_t *pattern;
-	cairo_matrix_t   matrix;
-	char filename[FTK_MAX_PATH+1] = {0};
-
-	cairo_translate (cr, x, y);
-	ftk_snprintf(filename, FTK_MAX_PATH, "%s/png1.png", 
-		ftk_config_get_test_data_dir(ftk_default_config()));
-	image = cairo_image_surface_create_from_png (filename);
-
-	w = cairo_image_surface_get_width (image);
-	h = cairo_image_surface_get_height (image);
-
-	pattern = cairo_pattern_create_for_surface (image);
-	cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
-
-	cairo_translate (cr, 128.0, 128.0);
-	cairo_rotate (cr, M_PI / 4);
-	cairo_scale (cr, 1 / sqrt (2), 1 / sqrt (2));
-	cairo_translate (cr, -128.0, -128.0);
-
-	cairo_matrix_init_scale (&matrix, w/256.0 * 5.0, h/256.0 * 5.0);
-	cairo_pattern_set_matrix (pattern, &matrix);
-
-	cairo_set_source (cr, pattern);
-
-	cairo_rectangle (cr, 0, 0, 256.0, 256.0);
-	cairo_fill (cr);
-
-	cairo_pattern_destroy (pattern);
-	cairo_surface_destroy (image);
-
-	return;
-}
-
-static void paint_arrow(int x, int y, int width, int height)
-{
-	cairo_translate (cr, x, y);
-	cairo_set_line_width (cr, 40.96);
-	cairo_move_to (cr, 76.8, 84.48);
-	cairo_rel_line_to (cr, 51.2, -51.2);
-	cairo_rel_line_to (cr, 51.2, 51.2);
-	cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); /* default */
-	cairo_stroke (cr);
-
-	cairo_move_to (cr, 76.8, 161.28);
-	cairo_rel_line_to (cr, 51.2, -51.2);
-	cairo_rel_line_to (cr, 51.2, 51.2);
-	cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL);
-	cairo_stroke (cr);
-
-	cairo_move_to (cr, 76.8, 238.08);
-	cairo_rel_line_to (cr, 51.2, -51.2);
-	cairo_rel_line_to (cr, 51.2, 51.2);
-	cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
-	cairo_stroke (cr);
-
-	return;
-}
-
-static void paint_segments(int x, int y, int width, int height)
-{
-	cairo_translate (cr, x, y);
-	cairo_move_to (cr, 50.0, 75.0);
-	cairo_line_to (cr, 200.0, 75.0);
-
-	cairo_move_to (cr, 50.0, 125.0);
-	cairo_line_to (cr, 200.0, 125.0);
-
-	cairo_move_to (cr, 50.0, 175.0);
-	cairo_line_to (cr, 200.0, 175.0);
-
-	cairo_set_line_width (cr, 30.0);
-	cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
-	cairo_stroke (cr);
-
-	return;
-}
-
-static void paint_ball(int x, int y, int width, int height)
-{
-	cairo_pattern_t *pat;
-
-	pat = cairo_pattern_create_linear (0.0, 0.0,  0.0, height);
-	cairo_pattern_add_color_stop_rgba (pat, 1, 0, 0, 0, 1);
-	cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, 1);
-	cairo_rectangle (cr, x, y, width, height);
-	cairo_set_source (cr, pat);
-	cairo_fill (cr);
-	cairo_pattern_destroy (pat);
-
-	pat = cairo_pattern_create_radial (x+115.2, y+102.4, 25.6,
-									   x+102.4,  y+102.4, 128.0);
-	cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, 1);
-	cairo_pattern_add_color_stop_rgba (pat, 1, 0, 0, 0, 1);
-	cairo_set_source (cr, pat);
-	cairo_arc (cr, x+width/2, y+height/4, 76.8, 0, 2 * M_PI);
-	cairo_fill (cr);
-	cairo_pattern_destroy (pat);
-
-	return;
-}
-static void paint_helloworld(int x, int y, int width, int height)
-{
-	cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
-								   CAIRO_FONT_WEIGHT_BOLD);
-	cairo_set_font_size (cr, 90.0);
-
-	cairo_move_to (cr, x+10.0, y+135.0);
-	cairo_show_text (cr, "Hello");
-
-	cairo_move_to (cr, x+70.0, y+165.0);
-	cairo_text_path (cr, "void");
-	cairo_set_source_rgb (cr, 0.5, 0.5, 1);
-	cairo_fill_preserve (cr);
-	cairo_set_source_rgb (cr, 0, 0, 0);
-	cairo_set_line_width (cr, 2.56);
-	cairo_stroke (cr);
-
-	/* draw helping lines */
-	cairo_set_source_rgba (cr, 1, 0.2, 0.2, 0.6);
-	cairo_arc (cr, x+10.0, y+135.0, 5.12, 0, 2*M_PI);
-	cairo_close_path (cr);
-	cairo_arc (cr, x+70.0, y+165.0, 5.12, 0, 2*M_PI);
-	cairo_fill (cr);
-
-	return;
-}
-
-static void paint_car(int x, int y, int width, int height)
-{
-	cairo_set_line_width (cr, 6);
-	cairo_rectangle (cr, x+10, y+10, width-20, 70);
-	cairo_new_sub_path (cr); cairo_arc (cr, x+64, y+64, 40, 0, 2*M_PI);
-	cairo_new_sub_path (cr); cairo_arc_negative (cr, width-64, y+64, 40, 0, -2*M_PI);
-
-	cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
-	cairo_set_source_rgb (cr, 0, 0.7, 0); cairo_fill_preserve (cr);
-	cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr);
-
-	cairo_translate (cr, x, height/2);
-	cairo_rectangle (cr, 10, 10, width-20, 70);
-	cairo_new_sub_path (cr); cairo_arc (cr, 64, 64, 40, 0, 2*M_PI);
-	cairo_new_sub_path (cr); cairo_arc_negative (cr, width-64, 64, 40, 0, -2*M_PI);
-
-	cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
-	cairo_set_source_rgb (cr, 0, 0, 0.9); cairo_fill_preserve (cr);
-	cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr);
-
-	return;
-}
-
-typedef void (*PaintFunc)(int x, int y, int width, int height);
-
-static size_t g_index = 0;
-
-static const PaintFunc paints[] = 
-{
-	paint_car,
-	paint_helloworld,
-	paint_ball,
-	paint_segments,
-	paint_arrow,
-	paint_pic,
-	paint_rect,
-	paint_clip_image
-};
-
-static Ret on_paint(void* ctx, void* obj)
-{
-	FtkWidget* thiz = obj;
-	FTK_BEGIN_PAINT(x, y, width, height, canvas);
-
-	ftk_logd("%s:%d\n", __func__, __LINE__);
-	if(cr == NULL)
-	{
-		cairo_surface_t* surface = ftk_cairo_surface_create(thiz);
-		cr = cairo_create(surface);
-		cairo_surface_destroy(surface);
-	ftk_logd("%s:%d\n", __func__, __LINE__);
-	}
-	
-	cairo_save (cr);
-	cairo_reset_clip (cr);
-	cairo_identity_matrix (cr);
-	cairo_new_path (cr);
-	cairo_rectangle(cr, x, y, width, height);
-	cairo_clip (cr);
-
-	ftk_logd("%s:%d\n", __func__, __LINE__);
-	paints[g_index](x, y, width, height);
-	ftk_logd("%s:%d\n", __func__, __LINE__);
-
-	cairo_restore (cr);
-	
-	FTK_END_PAINT();
-	ftk_logd("%s:%d\n", __func__, __LINE__);
-
-	return RET_OK;
-}
-
-static Ret button_prev_clicked(void* ctx, void* obj)
-{
-	g_index = g_index > 0 ? g_index - 1 : 0;
-	ftk_widget_invalidate(ftk_widget_lookup(ctx, 100));
-
-	return RET_OK;
-}
-
-static Ret button_next_clicked(void* ctx, void* obj)
-{
-	g_index++;
-	g_index = g_index % (sizeof(paints)/sizeof(paints[0]));
-
-	ftk_widget_invalidate(ftk_widget_lookup(ctx, 100));
-
-	return RET_OK;
-}
-
-static Ret button_quit_clicked(void* ctx, void* obj)
-{
-	ftk_widget_unref(ctx);
-
-	return RET_OK;
-}
-
-#ifdef FTK_AS_PLUGIN
-#include "ftk_app_demo.h"
-FTK_HIDE int FTK_MAIN(int argc, char* argv[]);
-FtkApp* ftk_app_demo_cairo_create()
-{
-	return ftk_app_demo_create(_("cairo"), ftk_main);
-}
-#else
-#define FTK_HIDE extern
-#endif /*FTK_AS_PLUGIN*/
-
-FTK_HIDE int FTK_MAIN(int argc, char* argv[])
-{
-	int width = 0;
-	int height = 0;
-	FtkWidget* win = NULL;
-	FtkWidget* button = NULL;
-	FtkWidget* painter = NULL;
-	FTK_INIT(argc, argv);
-
-	win = ftk_app_window_create();
-	width = ftk_widget_width(win);
-	height = ftk_widget_height(win);
-
-	button = ftk_button_create(win, 0, 10, width/3, 60);
-	ftk_widget_set_text(button, "prev");
-	ftk_button_set_clicked_listener(button, button_prev_clicked, win);
-
-	button = ftk_button_create(win, width/3, 10, width/3, 60);
-	ftk_widget_set_text(button, "next");
-	ftk_button_set_clicked_listener(button, button_next_clicked, win);
-
-	button = ftk_button_create(win, width*2/3, 10, width/3, 60);
-	ftk_widget_set_text(button, "quit");
-	ftk_button_set_clicked_listener(button, button_quit_clicked, win);
-
-	painter = ftk_painter_create(win, 0, 70, width, height);
-	ftk_widget_set_id(painter, 100);
-	ftk_painter_set_paint_listener(painter, on_paint, NULL);
-
-	ftk_widget_set_text(win, "cairo demo");
-	ftk_widget_show_all(win, 1);
-	FTK_QUIT_WHEN_WIDGET_CLOSE(win);
-
-	FTK_RUN();
-
-	return 0;
-}
-#endif
diff --git a/include/rtm.h b/include/rtm.h
index 653d94327fe5e4cbaa1e14b70f9ebcea3aadb5a9..6acbb55d446345029f33c1106e12143d0501a1d6 100644
--- a/include/rtm.h
+++ b/include/rtm.h
@@ -9,8 +9,8 @@
 const char __rtmsym_##symbol##_name[] = #symbol;					 	\
 const struct rt_module_symtab __rtmsym_##symbol SECTION("RTMSymTab")= 	\
 {								\
-	(rt_uint32_t)&symbol,		\
-	__rtmsym_##symbol##_name,	\
+	(void *)&symbol,		\
+	__rtmsym_##symbol##_name	\
 };
 
 #else
@@ -19,8 +19,8 @@ const struct rt_module_symtab __rtmsym_##symbol SECTION("RTMSymTab")= 	\
 
 struct rt_module_symtab
 {
-	rt_uint32_t addr;
+	void* addr;
 	const char* name;
-};
+}; 
 
 #endif
diff --git a/include/rtthread.h b/include/rtthread.h
index 38f034a3e78040f5f3309ec57fbd81c50692a38c..15b5a03b187a41c19f3bb61e6e9900f6ab2f25bd 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -304,7 +304,7 @@ rt_err_t  rt_device_control(rt_device_t dev, rt_uint8_t cmd, void* arg);
  * module interface
  */
 
-rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr);
+rt_module_t rt_module_load(const char* name, void* module_ptr);
 rt_err_t rt_module_unload(rt_module_t module);
 rt_module_t rt_module_open(const char* filename);
 void *rt_module_malloc(rt_size_t size);
diff --git a/src/module.c b/src/module.c
index b85b0f2b4b2c669f8c05c99fa7378abe8b0a500f..a80e1752279fef2285b708b2509d959b1abefe7d 100644
--- a/src/module.c
+++ b/src/module.c
@@ -20,7 +20,7 @@
 #include "string.h"
 #include "kservice.h"
 
-/* #define RT_MODULE_DEBUG */
+#define RT_MODULE_DEBUG
 #ifdef RT_USING_MODULE
 #include "module.h"
 
@@ -43,7 +43,6 @@ struct rt_module_page
 	rt_size_t npage;					/* number of pages  */
 	rt_list_t list;
 };
-static struct rt_module_page *rt_module_page_list;
 
 /* module memory allocator */
 struct rt_mem_head
@@ -67,12 +66,18 @@ struct rt_module_symtab *_rt_module_symtab_begin = RT_NULL, *_rt_module_symtab_e
  */
 void rt_system_module_init(void)
 {
+#ifdef __GNUC__
 	extern int __rtmsymtab_start;
 	extern int __rtmsymtab_end;
-
-#ifdef __GNUC__
+	
 	_rt_module_symtab_begin = (struct rt_module_symtab *)&__rtmsymtab_start;
 	_rt_module_symtab_end   = (struct rt_module_symtab *)&__rtmsymtab_end;
+#elif defined (__CC_ARM) 
+	extern int RTMSymTab$$Base;
+	extern int RTMSymTab$$Limit;
+
+	_rt_module_symtab_begin = (struct rt_module_symtab *)&RTMSymTab$$Base;
+	_rt_module_symtab_end   = (struct rt_module_symtab *)&RTMSymTab$$Limit;	
 #endif
 
 	rt_list_init(&rt_module_symbol_list);
@@ -81,14 +86,14 @@ void rt_system_module_init(void)
 	rt_current_module = RT_NULL;
 }
 
-static rt_uint32_t rt_module_symbol_find(const rt_uint8_t* sym_str)
+static rt_uint32_t rt_module_symbol_find(const char* sym_str)
 {
 	/* find in kernel symbol table */
 	struct rt_module_symtab* index;
 	for (index = _rt_module_symtab_begin; index != _rt_module_symtab_end; index ++)
 	{
-		if (rt_strcmp(index->name, (const char*)sym_str) == 0)
-			return index->addr;
+		if (rt_strcmp(index->name, sym_str) == 0)
+			return (rt_uint32_t)index->addr;
 	}
 
 	return 0;
@@ -249,14 +254,14 @@ static void rt_module_init_object_container(struct rt_module* module)
  * @return the module object
  *
  */
-rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
+rt_module_t rt_module_load(const char* name, void* module_ptr)
 {
 	rt_uint8_t *ptr = RT_NULL;
 	rt_module_t module = RT_NULL;
 	rt_bool_t linked = RT_FALSE;
 	rt_uint32_t index, module_size = 0;
 
-	rt_kprintf("rt_module_load: %s\n", name);
+	rt_kprintf("rt_module_load: %s ,", name);
 
 	/* check ELF header */
 	if (rt_memcmp(elf_module->e_ident, RTMMAG, SELFMAG) == 0)
@@ -306,6 +311,8 @@ rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
 	ptr = module->module_space;
 	rt_memset(ptr, 0, module_size);
 
+	rt_kprintf(" load address at 0x%x\n", ptr);
+
 	for (index = 0; index < elf_module->e_phnum; index++)
 	{
 		if(phdr[index].p_type == PT_LOAD)
@@ -353,7 +360,7 @@ rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
 					rt_kprintf("unresolved relocate symbol: %s\n", strtab + sym->st_name);
 #endif
 					/* need to resolve symbol in kernel symbol table */
-					addr = rt_module_symbol_find(strtab + sym->st_name);
+					addr = rt_module_symbol_find((const char*)(strtab + sym->st_name));
 					if (addr == 0)
 					{
 						rt_kprintf("can't find %s in kernel symbol table\n", strtab + sym->st_name);
@@ -378,7 +385,7 @@ rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
 	{	
 		/* find .dynsym section */
 		rt_uint8_t* shstrab = (rt_uint8_t*) module_ptr + shdr[elf_module->e_shstrndx].sh_offset;
-		if (rt_strcmp(shstrab + shdr[index].sh_name, ELF_DYNSYM) == 0) break;
+		if (rt_strcmp((const char *)(shstrab + shdr[index].sh_name), ELF_DYNSYM) == 0) break;
 	}
 
 	/* found .dynsym section */
@@ -403,12 +410,12 @@ rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
 		{
 			if((ELF_ST_BIND(symtab[i].st_info) == STB_GLOBAL) && (ELF_ST_TYPE(symtab[i].st_info) == STT_FUNC))
 			{
-				rt_size_t length = rt_strlen(strtab + symtab[i].st_name) + 1;
+				rt_size_t length = rt_strlen((const char*)(strtab + symtab[i].st_name)) + 1;
 
-				module->symtab[count].addr = module->module_space + symtab[i].st_value; 
+				module->symtab[count].addr = (void*)(module->module_space + symtab[i].st_value); 
 				module->symtab[count].name = rt_malloc(length);
-				rt_memset(module->symtab[count].name, 0, length);
-				rt_memcpy(module->symtab[count].name, strtab + symtab[i].st_name, length);
+				rt_memset((void*)module->symtab[count].name, 0, length);
+				rt_memcpy((void*)module->symtab[count].name, strtab + symtab[i].st_name, length);
 				count++;
 			}	
 		}	
@@ -732,7 +739,7 @@ rt_err_t rt_module_unload(rt_module_t module)
 	rt_free(module->module_space);
 
 	/* release module symbol table */
-	for(i=0; i<module->nsym; i++) rt_free(module->symtab[i].name);
+	for(i=0; i<module->nsym; i++) rt_free((void *)module->symtab[i].name);
 	if(module->symtab != RT_NULL) rt_free(module->symtab);
 
 	/* delete module object */
diff --git a/src/rtm.c b/src/rtm.c
index a0bafee0c76c8eb2c56222d2f16ab9b78dde275d..735852ad0d01a92696ac9f9967e477413ce9f629 100644
--- a/src/rtm.c
+++ b/src/rtm.c
@@ -26,130 +26,133 @@
 /*
  * thread  interface symbol 
  */
-RTM_EXPORT(rt_thread_init)
-RTM_EXPORT(rt_thread_detach)
-RTM_EXPORT(rt_thread_create)
-RTM_EXPORT(rt_thread_self)
-RTM_EXPORT(rt_thread_find)
-RTM_EXPORT(rt_thread_startup)
-RTM_EXPORT(rt_thread_delete)
-RTM_EXPORT(rt_thread_yield)
-RTM_EXPORT(rt_thread_delay)
-RTM_EXPORT(rt_thread_control)
-RTM_EXPORT(rt_thread_suspend)
-RTM_EXPORT(rt_thread_resume)
-RTM_EXPORT(rt_thread_timeout)
+ 
+RTM_EXPORT(rt_thread_init);
+RTM_EXPORT(rt_thread_detach);
+RTM_EXPORT(rt_thread_create);
+RTM_EXPORT(rt_thread_self);
+RTM_EXPORT(rt_thread_find);
+RTM_EXPORT(rt_thread_startup);
+RTM_EXPORT(rt_thread_delete);
+RTM_EXPORT(rt_thread_yield);
+RTM_EXPORT(rt_thread_delay);
+RTM_EXPORT(rt_thread_control);
+RTM_EXPORT(rt_thread_suspend);
+RTM_EXPORT(rt_thread_resume);
+RTM_EXPORT(rt_thread_timeout);
 
 #ifdef RT_USING_SEMAPHORE
 /*
  * semaphore interface symbol
  */
-RTM_EXPORT(rt_sem_init)
-RTM_EXPORT(rt_sem_detach)
-RTM_EXPORT(rt_sem_create)
-RTM_EXPORT(rt_sem_delete)
-RTM_EXPORT(rt_sem_take)
-RTM_EXPORT(rt_sem_trytake)
-RTM_EXPORT(rt_sem_release)
-RTM_EXPORT(rt_sem_control)
+RTM_EXPORT(rt_sem_init);
+RTM_EXPORT(rt_sem_detach);
+RTM_EXPORT(rt_sem_create);
+RTM_EXPORT(rt_sem_delete);
+RTM_EXPORT(rt_sem_take);
+RTM_EXPORT(rt_sem_trytake);
+RTM_EXPORT(rt_sem_release);
+RTM_EXPORT(rt_sem_control);
 #endif
 
 #ifdef RT_USING_MUTEX
 /*
  * mutex interface symbol
  */
-RTM_EXPORT(rt_mutex_init)
-RTM_EXPORT(rt_mutex_detach)
-RTM_EXPORT(rt_mutex_create)
-RTM_EXPORT(rt_mutex_delete)
-RTM_EXPORT(rt_mutex_take)
-RTM_EXPORT(rt_mutex_release)
-RTM_EXPORT(rt_mutex_control)
+RTM_EXPORT(rt_mutex_init);
+RTM_EXPORT(rt_mutex_detach);
+RTM_EXPORT(rt_mutex_create);
+RTM_EXPORT(rt_mutex_delete);
+RTM_EXPORT(rt_mutex_take);
+RTM_EXPORT(rt_mutex_release);
+RTM_EXPORT(rt_mutex_control);
 #endif
 
 #ifdef RT_USING_EVENT
 /*
  * event interface symbol
  */
-RTM_EXPORT(rt_event_init)
-RTM_EXPORT(rt_event_detach)
-RTM_EXPORT(rt_event_create)
-RTM_EXPORT(rt_event_delete)
-RTM_EXPORT(rt_event_send)
-RTM_EXPORT(rt_event_recv)
-RTM_EXPORT(rt_event_control) 
+RTM_EXPORT(rt_event_init);
+RTM_EXPORT(rt_event_detach);
+RTM_EXPORT(rt_event_create);
+RTM_EXPORT(rt_event_delete);
+RTM_EXPORT(rt_event_send);
+RTM_EXPORT(rt_event_recv);
+RTM_EXPORT(rt_event_control); 
 #endif
 
 #ifdef RT_USING_MAILBOX
 /*
  * mailbox interface symbol
  */
-RTM_EXPORT(rt_mb_init)
-RTM_EXPORT(rt_mb_detach)
-RTM_EXPORT(rt_mb_create)
-RTM_EXPORT(rt_mb_delete)
-RTM_EXPORT(rt_mb_send)
-RTM_EXPORT(rt_mb_recv)
-RTM_EXPORT(rt_mb_control) 
+RTM_EXPORT(rt_mb_init);
+RTM_EXPORT(rt_mb_detach);
+RTM_EXPORT(rt_mb_create);
+RTM_EXPORT(rt_mb_delete);
+RTM_EXPORT(rt_mb_send);
+RTM_EXPORT(rt_mb_recv);
+RTM_EXPORT(rt_mb_control); 
 #endif
 
 #ifdef RT_USING_MESSAGEQUEUE
 /*
  * message queue interface symbol
  */
-RTM_EXPORT(rt_mq_init)
-RTM_EXPORT(rt_mq_detach)
-RTM_EXPORT(rt_mq_create)
-RTM_EXPORT(rt_mq_delete)
-RTM_EXPORT(rt_mq_send)
-RTM_EXPORT(rt_mq_urgent)
-RTM_EXPORT(rt_mq_recv)  
-RTM_EXPORT(rt_mq_control)  
+RTM_EXPORT(rt_mq_init);
+RTM_EXPORT(rt_mq_detach);
+RTM_EXPORT(rt_mq_create);
+RTM_EXPORT(rt_mq_delete);
+RTM_EXPORT(rt_mq_send);
+RTM_EXPORT(rt_mq_urgent);
+RTM_EXPORT(rt_mq_recv);  
+RTM_EXPORT(rt_mq_control);  
 #endif
 
 #ifdef RT_USING_MEMPOOL
 /*
  * memory pool interface symbol
  */
-RTM_EXPORT(rt_mp_init)
-RTM_EXPORT(rt_mp_detach)
-RTM_EXPORT(rt_mp_create)
-RTM_EXPORT(rt_mp_delete)
-RTM_EXPORT(rt_mp_alloc)
-RTM_EXPORT(rt_mp_free)
+RTM_EXPORT(rt_mp_init);
+RTM_EXPORT(rt_mp_detach);
+RTM_EXPORT(rt_mp_create);
+RTM_EXPORT(rt_mp_delete);
+RTM_EXPORT(rt_mp_alloc);
+RTM_EXPORT(rt_mp_free);
 #endif
 
 #ifdef RT_USING_HEAP
 /*
  * heap memory interface symbol
  */
-RTM_EXPORT(rt_malloc)
-RTM_EXPORT(rt_free)
-RTM_EXPORT(rt_realloc)
-RTM_EXPORT(rt_calloc)
+RTM_EXPORT(rt_malloc);
+RTM_EXPORT(rt_free);
+RTM_EXPORT(rt_realloc);
+RTM_EXPORT(rt_calloc);
 #endif
 /*
  * clock & timer interface symbol
  */
-RTM_EXPORT(rt_tick_get)
-RTM_EXPORT(rt_tick_from_millisecond)
-RTM_EXPORT(rt_system_timer_init)
-RTM_EXPORT(rt_system_timer_thread_init)
-RTM_EXPORT(rt_timer_init)
-RTM_EXPORT(rt_timer_detach)
-RTM_EXPORT(rt_timer_create)
-RTM_EXPORT(rt_timer_delete)
-RTM_EXPORT(rt_timer_start)
-RTM_EXPORT(rt_timer_stop)
-RTM_EXPORT(rt_timer_control)
+RTM_EXPORT(rt_tick_get);
+RTM_EXPORT(rt_tick_from_millisecond);
+RTM_EXPORT(rt_system_timer_init);
+RTM_EXPORT(rt_system_timer_thread_init);
+RTM_EXPORT(rt_timer_init);
+RTM_EXPORT(rt_timer_detach);
+RTM_EXPORT(rt_timer_create);
+RTM_EXPORT(rt_timer_delete);
+RTM_EXPORT(rt_timer_start);
+RTM_EXPORT(rt_timer_stop);
+RTM_EXPORT(rt_timer_control);
 
 /* 
  * kservice interface symbol
  */
 RTM_EXPORT(rt_memcpy)
+RTM_EXPORT(rt_memcmp)
 RTM_EXPORT(rt_memset)
 RTM_EXPORT(rt_kprintf)
 RTM_EXPORT(rt_sprintf)
+RTM_EXPORT(rt_strstr)
 
 /* 
  * misc interface symbol
@@ -160,6 +163,7 @@ extern int __aeabi_dmul;
 extern int __aeabi_i2d;
 extern int __aeabi_uidiv;
 extern int __aeabi_uidivmod;
+extern int __aeabi_idivmod;
 extern int __aeabi_d2iz;
 
 RTM_EXPORT(__aeabi_ddiv)
@@ -167,9 +171,11 @@ RTM_EXPORT(__aeabi_dmul)
 RTM_EXPORT(__aeabi_i2d)
 RTM_EXPORT(__aeabi_uidiv)
 RTM_EXPORT(__aeabi_idiv)
+RTM_EXPORT(__aeabi_idivmod)
 RTM_EXPORT(__aeabi_uidivmod)
 RTM_EXPORT(__aeabi_d2iz)
 RTM_EXPORT(strcmp)
+RTM_EXPORT(strcpy)
 RTM_EXPORT(strlen)
 RTM_EXPORT(rand)
 RTM_EXPORT(memset)
@@ -189,13 +195,27 @@ RTM_EXPORT(time)
 
 #endif
 
+#ifdef RT_USING_DFS
+#include <dfs_posix.h>
+
+RTM_EXPORT(open)
+RTM_EXPORT(close)
+RTM_EXPORT(read)
+RTM_EXPORT(write)
+RTM_EXPORT(stat)
+#endif
+
 #ifdef RT_USING_RTGUI
 /* FIX ME , should be removed from here */
 #include <rtgui/dc.h>
+#include <rtgui/rtgui_server.h>
 #include <rtgui/rtgui_system.h>
 #include <rtgui/widgets/view.h>
 #include <rtgui/widgets/workbench.h>
 #include <rtgui/widgets/widget.h>
+#include <rtgui/widgets/button.h>
+#include <rtgui/widgets/list_view.h>
+#include <rtgui/widgets/filelist_view.h>
 
 RTM_EXPORT(rtgui_view_show)
 RTM_EXPORT(rtgui_view_create)
@@ -212,11 +232,27 @@ RTM_EXPORT(rtgui_workbench_destroy)
 RTM_EXPORT(rtgui_workbench_close)
 RTM_EXPORT(rtgui_timer_start)
 RTM_EXPORT(rtgui_timer_create)
+RTM_EXPORT(rtgui_timer_destory)
 RTM_EXPORT(rtgui_timer_stop)
-RTM_EXPORT(rtgui_widget_focus)
-RTM_EXPORT(rtgui_widget_set_event_handler)
 RTM_EXPORT(rtgui_thread_register)
 RTM_EXPORT(rtgui_thread_deregister)
-
+RTM_EXPORT(rtgui_widget_focus)
+RTM_EXPORT(rtgui_widget_set_event_handler)
+RTM_EXPORT(rtgui_widget_rect_to_device)
+RTM_EXPORT(rtgui_widget_update)
+RTM_EXPORT(rtgui_widget_get_rect)
+RTM_EXPORT(rtgui_widget_set_rect)
+RTM_EXPORT(rtgui_widget_get_toplevel)
+RTM_EXPORT(rtgui_panel_register)
+RTM_EXPORT(rtgui_panel_set_default_focused)
+RTM_EXPORT(rtgui_button_create)
+RTM_EXPORT(rtgui_button_destroy)
+RTM_EXPORT(rtgui_button_set_onbutton)
+RTM_EXPORT(rtgui_container_add_child)
+RTM_EXPORT(rtgui_filelist_view_create)
+RTM_EXPORT(rtgui_filelist_view_get_fullpath)
+RTM_EXPORT(rtgui_list_view_create)
+RTM_EXPORT(rtgui_list_view_destroy)
 #endif
 #endif
+