diff --git a/src/base/canvas.c b/src/base/canvas.c
index 2a5adfef0..349228904 100644
--- a/src/base/canvas.c
+++ b/src/base/canvas.c
@@ -672,7 +672,8 @@ ret_t canvas_draw_image_3patch_y(canvas_t* c, bitmap_t* img, rect_t* dst) {
   canvas_draw_image(c, img, &s, &d);
 
   canvas_untranslate(c, dst->x, dst->y);
-
+	(void)dst_w;
+	
   return RET_OK;
 }
 
@@ -845,6 +846,10 @@ ret_t canvas_draw_image_9patch(canvas_t* c, bitmap_t* img, rect_t* dst) {
 
   canvas_untranslate(c, dst->x, dst->y);
 
+	(void)x;
+	(void)y;
+	(void)dst_w;
+	
   return RET_OK;
 }
 
diff --git a/src/base/lcd.c b/src/base/lcd.c
index 325e03413..f136566e0 100644
--- a/src/base/lcd.c
+++ b/src/base/lcd.c
@@ -1,4 +1,4 @@
-/**
+/**
  * File:   lcd.c
  * Author: Li XianJing <xianjimli@hotmail.com>
  * Brief:  lcd interface
@@ -150,7 +150,7 @@ wh_t lcd_measure_text(lcd_t* lcd, wchar_t* str, int32_t nr) {
 }
 
 ret_t lcd_draw_text(lcd_t* lcd, wchar_t* str, int32_t nr, xy_t x, xy_t y) {
-  return_value_if_fail(lcd != NULL && lcd->draw_text != NULL && str != NULL, 0);
+  return_value_if_fail(lcd != NULL && lcd->draw_text != NULL && str != NULL, RET_OK);
 
   return lcd->draw_text(lcd, str, nr, x, y);
 }