diff --git a/BUILD.gn b/BUILD.gn
index 9d182389..7dc25231 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -78,6 +78,7 @@ action("gen_snapshot") {
     rebase_path(target_out_dir, root_build_dir),
     rebase_path(babel, root_build_dir),
     is_mac,
+    rebase_path("//prebuilts", root_build_dir),
   ]
 
   inputs = [
@@ -275,7 +276,7 @@ action("gen_jsf_c") {
     "-N",
     "js_framework",
     "-c",
-    rebase_path(prebuilt_js_path, "."),
+    rebase_path(prebuilt_js_path, root_build_dir),
   ]
 
   inputs = [ prebuilt_js_path ]
diff --git a/js_framework_build.sh b/js_framework_build.sh
index 2b5a6b80..0dedb070 100755
--- a/js_framework_build.sh
+++ b/js_framework_build.sh
@@ -14,7 +14,7 @@
 
 set -e
 echo "copy source code..."
-prebuilts_path="../../prebuilts"
+prebuilts_path=${12}
 # copy dependency file to generate dir of gn
 # the params come from .gn