diff --git a/src/release/calibre_html.py b/src/release/calibre_html.py
index 6fea4a1..7655e0e 100755
--- a/src/release/calibre_html.py
+++ b/src/release/calibre_html.py
@@ -4,8 +4,7 @@
 import sys
 from common import loadData
 from common import saveFile
-
-htmlFile = 'xxrs.html'
+from common import releaseInfo
 
 
 def formatMetadata(metadata: dict) -> str:
@@ -25,4 +24,7 @@ def htmlRelease(metadata: dict, content: dict) -> str:
 
 if __name__ == '__main__':
     data = loadData(sys.argv[1])
-    saveFile(htmlFile, htmlRelease(data['metadata'], data['content']))
+    saveFile(
+        releaseInfo['htmlFile'],
+        htmlRelease(data['metadata'], data['content'])
+    )
diff --git a/src/release/common.py b/src/release/common.py
index 316879e..0b66f5f 100644
--- a/src/release/common.py
+++ b/src/release/common.py
@@ -9,8 +9,17 @@ rootPath = os.path.join(
     os.path.dirname(os.path.realpath(__file__)), '../../'
 )
 dataPath = os.path.join(rootPath, './release/')
+releasePath = os.path.join(dataPath, './output/')
 metadataFile = os.path.join(rootPath, './assets/metadata.json')
 
+releaseInfo = {
+    'txtFile': 'xxrs.txt',
+    'htmlFile': 'xxrs.html',
+    'jsonFile': 'xxrs.json',
+    'gitbookDir': 'xxrs-online',
+}
+releaseInfo = {x: os.path.join(releasePath, y) for (x, y) in releaseInfo.items()}
+
 
 def loadData(jsonName: str) -> dict:  # load book data from json file
     content = json.loads(open(
@@ -31,3 +40,6 @@ def saveFile(fileName: str, content: str) -> None:  # save into file
 def createFolder(folderName: str) -> None:  # create folder
     if not os.path.exists(folderName):
         os.mkdir(folderName)
+
+
+createFolder(releasePath)
diff --git a/src/release/gitbook.py b/src/release/gitbook.py
index 4ae96e7..9f4b577 100755
--- a/src/release/gitbook.py
+++ b/src/release/gitbook.py
@@ -8,15 +8,14 @@ import shutil
 from common import loadData
 from common import rootPath
 from common import saveFile
+from common import releaseInfo
 from common import createFolder
 
-workDir = './xxrs-online/'
-
 
 def initFolder() -> None:
-    createFolder(workDir)
-    createFolder(os.path.join(workDir, './assets/'))
-    createFolder(os.path.join(workDir, './content/'))
+    createFolder(releaseInfo['gitbookDir'])
+    createFolder(os.path.join(releaseInfo['gitbookDir'], './assets/'))
+    createFolder(os.path.join(releaseInfo['gitbookDir'], './content/'))
 
 
 def loadChapter(caption: str, content: list) -> str:
@@ -24,7 +23,7 @@ def loadChapter(caption: str, content: list) -> str:
     chapterNum = '0' * (3 - len(chapterNum)) + chapterNum  # add `0` prefix
     fileName = 'chapter-%s.md' % chapterNum
     saveFile(
-        os.path.join(workDir, './content/', fileName),
+        os.path.join(releaseInfo['gitbookDir'], './content/', fileName),
         '# %s\n\n%s\n' % (caption, '\n\n'.join(content))
     )
     return fileName
@@ -42,7 +41,7 @@ def loadCover(metadata: dict) -> None:
     cover += '<figure><img src="assets/cover.jpg" alt=""><figcaption><p>栩栩若生</p></figcaption></figure>\n\n'
     cover += '\n>\n'.join(['> %s' % x for x in metadata['desc']]) + '\n\n'
     cover += '{% embed url="https://github.com/dnomd343/xxrs-crawler.git" %}\n项目地址\n{% endembed %}\n'
-    saveFile(os.path.join(workDir, 'README.md'), cover + '\n')
+    saveFile(os.path.join(releaseInfo['gitbookDir'], 'README.md'), cover + '\n')
 
 
 def loadSummary(catalog: dict) -> None:
@@ -51,7 +50,7 @@ def loadSummary(catalog: dict) -> None:
     summary += '## 内容 <a href="#content" id="content"></a>\n\n'
     for (title, mdFile) in catalog.items():
         summary += '* [%s](content/%s)\n' % (title, mdFile)
-    saveFile(os.path.join(workDir, 'SUMMARY.md'), summary)
+    saveFile(os.path.join(releaseInfo['gitbookDir'], 'SUMMARY.md'), summary)
 
 
 def loadGitbook(jsonName: str) -> None:
@@ -61,7 +60,7 @@ def loadGitbook(jsonName: str) -> None:
     loadSummary(catalog)
     shutil.copy(
         os.path.join(rootPath, './assets/cover.jpg'),
-        os.path.join(workDir, './assets/cover.jpg')
+        os.path.join(releaseInfo['gitbookDir'], './assets/cover.jpg')
     )
 
 
diff --git a/src/release/json_dumps.py b/src/release/json_dumps.py
index 5adefa6..c316be6 100755
--- a/src/release/json_dumps.py
+++ b/src/release/json_dumps.py
@@ -5,8 +5,7 @@ import sys
 import json
 from common import loadData
 from common import saveFile
-
-jsonFile = 'xxrs.json'
+from common import releaseInfo
 
 
 def jsonRelease(metadata: dict, content: dict) -> str:
@@ -18,4 +17,7 @@ def jsonRelease(metadata: dict, content: dict) -> str:
 
 if __name__ == '__main__':
     data = loadData(sys.argv[1])
-    saveFile(jsonFile, jsonRelease(data['metadata'], data['content']))
+    saveFile(
+        releaseInfo['jsonFile'],
+        jsonRelease(data['metadata'], data['content'])
+    )
diff --git a/src/release/release_txt.py b/src/release/txt_release.py
similarity index 81%
rename from src/release/release_txt.py
rename to src/release/txt_release.py
index d148554..0b1c67c 100755
--- a/src/release/release_txt.py
+++ b/src/release/txt_release.py
@@ -4,8 +4,7 @@
 import sys
 from common import loadData
 from common import saveFile
-
-txtFile = 'xxrs.txt'
+from common import releaseInfo
 
 
 def formatMetadata(metadata: dict) -> str:
@@ -25,4 +24,7 @@ def txtRelease(metadata: dict, content: dict) -> str:
 
 if __name__ == '__main__':
     data = loadData(sys.argv[1])
-    saveFile(txtFile, txtRelease(data['metadata'], data['content']))
+    saveFile(
+        releaseInfo['txtFile'],
+        txtRelease(data['metadata'], data['content'])
+    )