diff --git a/pom.xml b/pom.xml
index c09e70e..89f750c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     </parent>
     <groupId>com.github.zxbu</groupId>
     <artifactId>webdav-teambition</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.2-SNAPSHOT</version>
     <name>webdav-teambition</name>
     <description>Demo project for Spring Boot</description>
 
diff --git a/src/main/java/com/github/zxbu/webdavteambition/store/TeambitionFileSystemStore.java b/src/main/java/com/github/zxbu/webdavteambition/store/TeambitionFileSystemStore.java
index 2ceda4f..9447ef3 100644
--- a/src/main/java/com/github/zxbu/webdavteambition/store/TeambitionFileSystemStore.java
+++ b/src/main/java/com/github/zxbu/webdavteambition/store/TeambitionFileSystemStore.java
@@ -88,8 +88,8 @@ public class TeambitionFileSystemStore implements IWebdavStore {
         ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
         HttpServletRequest request = requestAttributes.getRequest();
         int contentLength = request.getContentLength();
-        if (contentLength <= 0) {
-            return 0;
+        if (contentLength < 0) {
+            contentLength = 0;
         }
         teambitionClientService.uploadPre(resourceUri, contentLength, content);
         return contentLength;