diff --git a/bsp/simulator/SConstruct b/bsp/simulator/SConstruct
index 4dd5342cc6..12dbd7a025 100755
--- a/bsp/simulator/SConstruct
+++ b/bsp/simulator/SConstruct
@@ -55,6 +55,7 @@ else:
     TARGET = 'rtthread'
     env.Append(CCFLAGS=rtconfig.CFLAGS)
     env.Append(LINKFLAGS=rtconfig.LFLAGS)
+    env.Append(LIBS=['m'])
 
 
 # prepare building environment
diff --git a/bsp/simulator/rtconfig.py b/bsp/simulator/rtconfig.py
index fbff96e8be..4007e0b1d8 100755
--- a/bsp/simulator/rtconfig.py
+++ b/bsp/simulator/rtconfig.py
@@ -46,7 +46,7 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
-    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
+    POST_ACTION = ''
 
 elif PLATFORM == 'cl':
     # toolchains
diff --git a/bsp/simulator/rtgui_demo/snake/snake_gui.c b/bsp/simulator/rtgui_demo/snake/snake_gui.c
index 836355236b..0df1ba7a87 100644
--- a/bsp/simulator/rtgui_demo/snake/snake_gui.c
+++ b/bsp/simulator/rtgui_demo/snake/snake_gui.c
@@ -365,7 +365,7 @@ void snake_main(void)
     struct rtgui_win *win;
     rtgui_rect_t rect;
 
-    application = rtgui_app_create(rt_thread_self(), "sanke_app");
+    application = rtgui_app_create("sanke_app");
     if (application != RT_NULL)
     {
         rtgui_get_screen_rect(&rect);
@@ -397,4 +397,4 @@ void snake_main(void)
 }
 
 #include <finsh.h>
-FINSH_FUNCTION_EXPORT(snake_main, snake run)
\ No newline at end of file
+FINSH_FUNCTION_EXPORT(snake_main, snake run)