diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/PhantomJSDownloader.java b/webmagic-extension/src/main/java/us/codecraft/webmagic/downloader/PhantomJSDownloader.java
similarity index 100%
rename from webmagic-core/src/main/java/us/codecraft/webmagic/downloader/PhantomJSDownloader.java
rename to webmagic-extension/src/main/java/us/codecraft/webmagic/downloader/PhantomJSDownloader.java
diff --git a/webmagic-core/src/main/resources/crawl.js b/webmagic-extension/src/main/resources/crawl.js
similarity index 100%
rename from webmagic-core/src/main/resources/crawl.js
rename to webmagic-extension/src/main/resources/crawl.js