diff --git a/webmagic-extension/src/main/java/us/codecraft/webmagic/scheduler/FileCacheQueueScheduler.java b/webmagic-extension/src/main/java/us/codecraft/webmagic/scheduler/FileCacheQueueScheduler.java
index 1582fc9..6ca9828 100644
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/scheduler/FileCacheQueueScheduler.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/scheduler/FileCacheQueueScheduler.java
@@ -179,6 +179,9 @@ public class FileCacheQueueScheduler extends DuplicateRemovedScheduler implement
 
     @Override
     protected void pushWhenNoDuplicate(Request request, Task task) {
+        if (!inited.get()) {
+            init(task);
+        }
         queue.add(request);
         fileUrlWriter.println(request.getUrl());
     }