支持显示上传进度，优化部分代码

src/main/java/com/github/zxbu/webdavteambition/store/TeambitionClientService.java

@@ -119,7 +119,7 @@ public class TeambitionClientService {
                     return;
                 }
                 client.upload(oneUploadUrl, buffer, 0, read);
-                LOGGER.info("文件正在上传上传。文件名：{}，当前进度：{}/{}", path, (i+1), uploadUrl.size());
+                LOGGER.info("文件正在上传。文件名：{}，当前进度：{}/{}", path, (i+1), uploadUrl.size());
 
             } catch (IOException e) {
                 throw new RuntimeException(e);

src/main/java/com/github/zxbu/webdavteambition/store/TeambitionFileSystemStore.java

@@ -84,15 +84,17 @@ public class TeambitionFileSystemStore implements IWebdavStore {
         LOGGER.info("setResourceContent {}", resourceUri);
         ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
         HttpServletRequest request = requestAttributes.getRequest();
+        int contentLength = request.getContentLength();
+        if (contentLength < 0) {
+            contentLength = 0;
+        }
+        if (contentLength == 0) {
             String expect = request.getHeader("Expect");
 
             // 支持大文件上传
             if ("100-continue".equalsIgnoreCase(expect)) {
                 return 0;
             }
-        int contentLength = request.getContentLength();
-        if (contentLength < 0) {
-            contentLength = 0;
         }
         teambitionClientService.uploadPre(resourceUri, contentLength, content);
         return contentLength;