diff --git a/SConstruct b/SConstruct
index cf12571b5..b3e3aa72c 100644
--- a/SConstruct
+++ b/SConstruct
@@ -9,7 +9,7 @@ DefaultEnvironment(TOOLS = APP_TOOLS,
   CCFLAGS = awtk.AWTK_CCFLAGS,
   LIBS = awtk.LIBS,
   LIBPATH = awtk.LIBPATH,
-  CPPPATH = awtk.CPPPATH,
+  CPPPATH = awtk.CPPPATH + [awtk.joinPath(awtk.TK_ROOT, 'res')],
   LINKFLAGS = awtk.LINKFLAGS,
   TARGET_ARCH=awtk.TARGET_ARCH,
   OS_SUBSYSTEM_CONSOLE=awtk.OS_SUBSYSTEM_CONSOLE,
diff --git a/awtk_config.py b/awtk_config.py
index 67b9ade56..e89a4710a 100644
--- a/awtk_config.py
+++ b/awtk_config.py
@@ -302,6 +302,10 @@ def copySharedLib(src, dst, name):
 	
   src = os.path.normpath(src);
   dst = os.path.normpath(dst);
+
+  if os.path.dirname(src) == dst:
+      return
+
   if not os.path.exists(src):
     print('Can\'t find ' + src + '. Please build '+name+'before!')
   else:
diff --git a/build.json b/build.json
new file mode 100644
index 000000000..b87797140
--- /dev/null
+++ b/build.json
@@ -0,0 +1,23 @@
+{
+  "name":"demoui",
+  "version":"1.0",
+  "assets" : "res/assets",
+  "author" : "xianjimli@hotmail.com",
+  "copyright" : "Guangzhou ZHIYUAN Electronics Co.,Ltd.",
+  "web": {
+    "app_type":"c",
+    "sources":["demos/demo_ui_app.c", "demos/assets.c"],
+    "config" : {
+      "fontScale":"0.8",
+      "defaultFont":"sans"
+    }
+  },
+  "android" : {
+    "app_name":"org.zlgopen.demoui",
+    "sources":["demos/assets.c", "demos/assets.h",	"demos/demo_ui_app.c",	"demos/vg_common.inc",  "res/assets.inc", "res/assets/__assets_default.inc"]
+  },
+  "ios" : {
+    "app_name":"org.zlgopen.demoui",
+    "sources":["demos/assets.c", "demos/assets.h",	"demos/demo_ui_app.c",	"demos/vg_common.inc",  "res/assets.inc", "res/assets/__assets_default.inc"]
+  }
+}
diff --git a/demos/assets.c b/demos/assets.c
index f05a8e913..9f5140af7 100644
--- a/demos/assets.c
+++ b/demos/assets.c
@@ -1,2 +1,2 @@
 #include "awtk.h"
-#include "../res/assets.inc"
+#include "assets.inc"
diff --git a/demos/demoui_build.json b/demos/demoui_build.json
deleted file mode 100644
index 802d85621..000000000
--- a/demos/demoui_build.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  "name":"demoui",
-  "version":"1.0",
-  "assets" : "assets",
-  "author" : "xianjimli@hotmail.com",
-  "copyright" : "Guangzhou ZHIYUAN Electronics Co.,Ltd.",
-  "web": {
-    "app_type":"c",
-    "sources":["demo_ui_app.c"],
-    "config" : {
-      "fontScale":"0.8",
-      "defaultFont":"sans"
-    }
-  },
-  "android" : {
-    "app_name":"org.zlgopen.demoui",
-    "sources":["assets.c", "assets/__assets_dark.inc", "assets/__assets_default.inc",	"assets.h",	"demo_ui_app.c",	"vg_common.inc"]
-  },
-  "ios" : {
-    "app_name":"org.zlgopen.demoui",
-    "sources":["assets.c", "assets/__assets_dark.inc", "assets/__assets_default.inc",	"assets.h",	"demo_ui_app.c",	"vg_common.inc"]
-  }
-}