diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java b/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
index 2e00743..dac1fdd 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
@@ -14,7 +14,7 @@ import us.codecraft.webmagic.pipeline.ResultItemsCollectorPipeline;
 import us.codecraft.webmagic.processor.PageProcessor;
 import us.codecraft.webmagic.scheduler.QueueScheduler;
 import us.codecraft.webmagic.scheduler.Scheduler;
-import us.codecraft.webmagic.selector.thread.CountableThreadPool;
+import us.codecraft.webmagic.thread.CountableThreadPool;
 import us.codecraft.webmagic.utils.UrlUtils;
 
 import java.io.Closeable;
diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/thread/CountableThreadPool.java b/webmagic-core/src/main/java/us/codecraft/webmagic/thread/CountableThreadPool.java
similarity index 98%
rename from webmagic-core/src/main/java/us/codecraft/webmagic/selector/thread/CountableThreadPool.java
rename to webmagic-core/src/main/java/us/codecraft/webmagic/thread/CountableThreadPool.java
index ac41668..9b7d894 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/thread/CountableThreadPool.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/thread/CountableThreadPool.java
@@ -1,4 +1,4 @@
-package us.codecraft.webmagic.selector.thread;
+package us.codecraft.webmagic.thread;
 
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;