diff --git a/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/FilePageModelPipeline.java b/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/FilePageModelPipeline.java
index c4826e2..0db9b81 100644
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/FilePageModelPipeline.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/FilePageModelPipeline.java
@@ -37,7 +37,7 @@ public class FilePageModelPipeline extends FilePersistentBase implements PageMod
 
     @Override
     public void process(Object o, Task task) {
-        String path = this.path + "/" + task.getUUID() + "/";
+        String path = this.path + PATH_SEPERATOR + task.getUUID() + PATH_SEPERATOR;
         try {
             String filename;
             if (o instanceof HasKey) {
diff --git a/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/JsonFilePageModelPipeline.java b/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/JsonFilePageModelPipeline.java
index 1583b0c..7a7f80a 100644
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/JsonFilePageModelPipeline.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/JsonFilePageModelPipeline.java
@@ -38,7 +38,7 @@ public class JsonFilePageModelPipeline extends FilePersistentBase implements Pag
 
     @Override
     public void process(Object o, Task task) {
-        String path = this.path + "/" + task.getUUID() + "/";
+        String path = this.path + PATH_SEPERATOR + task.getUUID() + PATH_SEPERATOR;
         try {
             String filename;
             if (o instanceof HasKey) {
diff --git a/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/JsonFilePipeline.java b/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/JsonFilePipeline.java
index e36f920..3ff42bf 100644
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/JsonFilePipeline.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/pipeline/JsonFilePipeline.java
@@ -35,7 +35,7 @@ public class JsonFilePipeline extends FilePersistentBase implements Pipeline {
 
     @Override
     public void process(ResultItems resultItems, Task task) {
-        String path = this.path + "/" + task.getUUID() + "/";
+        String path = this.path + PATH_SEPERATOR + task.getUUID() + PATH_SEPERATOR;
         try {
             PrintWriter printWriter = new PrintWriter(new FileWriter(getFile(path + DigestUtils.md5Hex(resultItems.getRequest().getUrl()) + ".json")));
             printWriter.write(JSON.toJSONString(resultItems.getAll()));