diff --git a/bsp/nuvoton/libraries/nu_packages/ILI9341/lcd_ili9341.c b/bsp/nuvoton/libraries/nu_packages/ILI9341/lcd_ili9341.c
index 1ea99cb8860cfd9e12371ad69664be389bfa396b..31cb6c6d02ffb2a7f95290b2dd839b0563841b06 100644
--- a/bsp/nuvoton/libraries/nu_packages/ILI9341/lcd_ili9341.c
+++ b/bsp/nuvoton/libraries/nu_packages/ILI9341/lcd_ili9341.c
@@ -177,8 +177,8 @@ static rt_err_t ili9341_lcd_init(rt_device_t dev)
 #if defined(NU_PKG_ILI9341_WITH_OFFSCREEN_FRAMEBUFFER)
 static void ili9341_fillrect(uint16_t *pixels, struct rt_device_rect_info *pRectInfo)
 {
-    ili9341_set_column(pRectInfo->x, pRectInfo->x + pRectInfo->width);
-    ili9341_set_page(pRectInfo->y, pRectInfo->y + pRectInfo->height);
+    ili9341_set_column(pRectInfo->x, pRectInfo->x + pRectInfo->width - 1);
+    ili9341_set_page(pRectInfo->y, pRectInfo->y + pRectInfo->height - 1);
     ili9341_send_cmd(0x2c);
 
     ili9341_send_pixels(pixels, pRectInfo->height * pRectInfo->width * 2);
diff --git a/bsp/nuvoton/nk-980iot/applications/lvgl/SConscript b/bsp/nuvoton/nk-980iot/applications/lvgl/SConscript
index 4cb03b1c72033f59d2458173bdea71d00b82084c..18f793dbe0b8aac4b74a683c56f2908490bcbcb3 100644
--- a/bsp/nuvoton/nk-980iot/applications/lvgl/SConscript
+++ b/bsp/nuvoton/nk-980iot/applications/lvgl/SConscript
@@ -1,17 +1,10 @@
-Import('RTT_ROOT')
 from building import *
 
-import os
+cwd = GetCurrentDir()
+src = Glob('*.c')
+CPPPATH = [cwd]
 
-objs = []
+group = DefineGroup('LVGL-port', src, depend = ['PKG_USING_LVGL'], CPPPATH = CPPPATH)
 
-if GetDepend('PKG_USING_LVGL'):
-    cwd = GetCurrentDir()
-    list = os.listdir(cwd)
-    for d in list:
-        path = os.path.join(cwd, d)
-        if os.path.isfile(os.path.join(path, 'SConscript')):
-            objs = objs + SConscript(os.path.join(d, 'SConscript'))
-
-Return('objs')
+Return('group')
 
diff --git a/bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_conf.h b/bsp/nuvoton/nk-980iot/applications/lvgl/lv_conf.h
similarity index 94%
rename from bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_conf.h
rename to bsp/nuvoton/nk-980iot/applications/lvgl/lv_conf.h
index 1ea0ae201673e67502878cf8dee5324848a43a92..b89513bc70ecef355ed23d5792ccdfe325bee99c 100644
--- a/bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_conf.h
+++ b/bsp/nuvoton/nk-980iot/applications/lvgl/lv_conf.h
@@ -11,7 +11,6 @@
 #ifndef LV_CONF_H
 #define LV_CONF_H
 
-//#define LV_USE_EXTERNAL_RENDERER  1
 
 #define LV_USE_PERF_MONITOR     1
 #define LV_COLOR_DEPTH          16
diff --git a/bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_demo.c b/bsp/nuvoton/nk-980iot/applications/lvgl/lv_demo.c
similarity index 100%
rename from bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_demo.c
rename to bsp/nuvoton/nk-980iot/applications/lvgl/lv_demo.c
diff --git a/bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_port_disp.c b/bsp/nuvoton/nk-980iot/applications/lvgl/lv_port_disp.c
similarity index 100%
rename from bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_port_disp.c
rename to bsp/nuvoton/nk-980iot/applications/lvgl/lv_port_disp.c
diff --git a/bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_port_disp.h b/bsp/nuvoton/nk-980iot/applications/lvgl/lv_port_disp.h
similarity index 100%
rename from bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_port_disp.h
rename to bsp/nuvoton/nk-980iot/applications/lvgl/lv_port_disp.h
diff --git a/bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_port_indev.c b/bsp/nuvoton/nk-980iot/applications/lvgl/lv_port_indev.c
similarity index 100%
rename from bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_port_indev.c
rename to bsp/nuvoton/nk-980iot/applications/lvgl/lv_port_indev.c
diff --git a/bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_port_indev.h b/bsp/nuvoton/nk-980iot/applications/lvgl/lv_port_indev.h
similarity index 100%
rename from bsp/nuvoton/nk-980iot/applications/lvgl/port/lv_port_indev.h
rename to bsp/nuvoton/nk-980iot/applications/lvgl/lv_port_indev.h
diff --git a/bsp/nuvoton/nk-980iot/applications/lvgl/port/SConscript b/bsp/nuvoton/nk-980iot/applications/lvgl/port/SConscript
deleted file mode 100644
index 0ca25f18d48c035ea7d4754bdcf24b3a3f677c3e..0000000000000000000000000000000000000000
--- a/bsp/nuvoton/nk-980iot/applications/lvgl/port/SConscript
+++ /dev/null
@@ -1,10 +0,0 @@
-from building import *
-
-cwd = GetCurrentDir()
-src = Glob('*.c')
-CPPPATH = [cwd]
-
-group = DefineGroup('LVGL-port', src, depend = [''], CPPPATH = CPPPATH)
-
-Return('group')
-
diff --git a/bsp/nuvoton/nk-n9h30/applications/lvgl/SConscript b/bsp/nuvoton/nk-n9h30/applications/lvgl/SConscript
index 4cb03b1c72033f59d2458173bdea71d00b82084c..18f793dbe0b8aac4b74a683c56f2908490bcbcb3 100644
--- a/bsp/nuvoton/nk-n9h30/applications/lvgl/SConscript
+++ b/bsp/nuvoton/nk-n9h30/applications/lvgl/SConscript
@@ -1,17 +1,10 @@
-Import('RTT_ROOT')
 from building import *
 
-import os
+cwd = GetCurrentDir()
+src = Glob('*.c')
+CPPPATH = [cwd]
 
-objs = []
+group = DefineGroup('LVGL-port', src, depend = ['PKG_USING_LVGL'], CPPPATH = CPPPATH)
 
-if GetDepend('PKG_USING_LVGL'):
-    cwd = GetCurrentDir()
-    list = os.listdir(cwd)
-    for d in list:
-        path = os.path.join(cwd, d)
-        if os.path.isfile(os.path.join(path, 'SConscript')):
-            objs = objs + SConscript(os.path.join(d, 'SConscript'))
-
-Return('objs')
+Return('group')
 
diff --git a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_conf.h b/bsp/nuvoton/nk-n9h30/applications/lvgl/lv_conf.h
similarity index 90%
rename from bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_conf.h
rename to bsp/nuvoton/nk-n9h30/applications/lvgl/lv_conf.h
index dd3e3c4b88694331614844135013b0af725495a9..9b96e21b8d5712c661323a7a67c815232ee51512 100644
--- a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_conf.h
+++ b/bsp/nuvoton/nk-n9h30/applications/lvgl/lv_conf.h
@@ -11,10 +11,9 @@
 #ifndef LV_CONF_H
 #define LV_CONF_H
 
-//#define LV_USE_EXTERNAL_RENDERER  1
 #define LV_USE_GPU_N9H30_GE2D   1
 
-//#define LV_USE_PERF_MONITOR     1
+#define LV_USE_PERF_MONITOR     1
 #define LV_COLOR_DEPTH          32
 
 #define LV_HOR_RES_MAX          (800)
diff --git a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_demo.c b/bsp/nuvoton/nk-n9h30/applications/lvgl/lv_demo.c
similarity index 100%
rename from bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_demo.c
rename to bsp/nuvoton/nk-n9h30/applications/lvgl/lv_demo.c
diff --git a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_disp.c b/bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_disp.c
similarity index 98%
rename from bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_disp.c
rename to bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_disp.c
index a781817e364f02acb3c975aa4d39483e5f58116d..51615b09b7dcd2d57fa711aee782127418514d6a 100644
--- a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_disp.c
+++ b/bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_disp.c
@@ -5,7 +5,7 @@
  *
  * Change Logs:
  * Date           Author       Notes
- * 2021-12-17     Wayne       The first version
+ * 2021-12-17     Wayne        The first version
  */
 #include <lvgl.h>
 
diff --git a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_disp.h b/bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_disp.h
similarity index 100%
rename from bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_disp.h
rename to bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_disp.h
diff --git a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_indev.c b/bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_indev.c
similarity index 100%
rename from bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_indev.c
rename to bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_indev.c
diff --git a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_indev.h b/bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_indev.h
similarity index 100%
rename from bsp/nuvoton/nk-n9h30/applications/lvgl/port/lv_port_indev.h
rename to bsp/nuvoton/nk-n9h30/applications/lvgl/lv_port_indev.h
diff --git a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/SConscript b/bsp/nuvoton/nk-n9h30/applications/lvgl/port/SConscript
deleted file mode 100644
index 0ca25f18d48c035ea7d4754bdcf24b3a3f677c3e..0000000000000000000000000000000000000000
--- a/bsp/nuvoton/nk-n9h30/applications/lvgl/port/SConscript
+++ /dev/null
@@ -1,10 +0,0 @@
-from building import *
-
-cwd = GetCurrentDir()
-src = Glob('*.c')
-CPPPATH = [cwd]
-
-group = DefineGroup('LVGL-port', src, depend = [''], CPPPATH = CPPPATH)
-
-Return('group')
-