diff --git a/integrations/dav-server/src/dir.rs b/integrations/dav-server/src/dir.rs
index d7a5aa6af7fe..4fbe36857806 100644
--- a/integrations/dav-server/src/dir.rs
+++ b/integrations/dav-server/src/dir.rs
@@ -15,29 +15,33 @@
 // specific language governing permissions and limitations
 // under the License.
 
+use super::metadata::OpendalMetaData;
+use super::utils::*;
 use dav_server::fs::{DavDirEntry, DavMetaData, FsResult};
 use futures::StreamExt;
 use futures::{FutureExt, Stream};
+use opendal::raw::normalize_path;
 use opendal::Operator;
 use opendal::{Entry, Lister};
 use std::pin::Pin;
 use std::task::Poll::Ready;
 use std::task::{ready, Context, Poll};
-use opendal::raw::normalize_path;
-use super::metadata::OpendalMetaData;
-use super::utils::*;
 
 /// OpendalStream is a stream of `DavDirEntry` that is used to list the contents of a directory.
 pub struct OpendalStream {
     op: Operator,
     lister: Lister,
-    path: String
+    path: String,
 }
 
 impl OpendalStream {
     /// Create a new opendal stream.
     pub fn new(op: Operator, lister: Lister, p: &str) -> Self {
-        OpendalStream { op, lister,  path: normalize_path(p)}
+        OpendalStream {
+            op,
+            lister,
+            path: normalize_path(p),
+        }
     }
 }
 
@@ -54,7 +58,7 @@ impl Stream for OpendalStream {
                         continue;
                     }
                     let webdav_entry = OpendalDirEntry::new(dav_stream.op.clone(), entry);
-                    return Ready(Some(Ok(Box::new(webdav_entry) as Box<dyn DavDirEntry>)))
+                    return Ready(Some(Ok(Box::new(webdav_entry) as Box<dyn DavDirEntry>)));
                 }
                 None => return Ready(None),
             }