[Release] update build_from_source script to fix compile problems.
diff --git a/scripts/build_from_source.sh b/scripts/build_from_source.sh
index 30194e4..ded0172 100755
--- a/scripts/build_from_source.sh
+++ b/scripts/build_from_source.sh
@@ -32,13 +32,14 @@
echo "Weex JS Framework build completed."
sleep 2
+mkdir pre-build
cp dist/weex-js-framework.min.js pre-build/native-bundle-main.js
-cp dist/weex-js-framework.min.js android/sdk/assets/native-bundle-main.js
+cp dist/weex-js-framework.min.js android_sdk/assets/native-bundle-main.js
cp dist/weex-js-framework.min.js pre-build/weex-main-jsfm.js
-cp dist/weex-js-framework.min.js android/sdk/assets/weex-main-jsfm.js
+cp dist/weex-js-framework.min.js android_sdk/assets/weex-main-jsfm.js
cp dist/weex-polyfill.min.js pre-build/weex-polyfill.js
cp dist/weex-rax.min.js pre-build/weex-rax-api.js
-cp dist/weex-rax.min.js android/sdk/assets/weex-rax-api.js
+cp dist/weex-rax.min.js android_sdk/assets/weex-rax-api.js
gradle wrapper --gradle-version 3.3
echo 'include ":android_sdk"'>settings.gradle
