diff --git a/README.md b/README.md
index e04565dff544..588f87c708bb 100644
--- a/README.md
+++ b/README.md
@@ -269,3 +269,4 @@ For more details, see the [Apache Product Name Usage Guide](https://www.apache.o
 Licensed under the Apache License, Version 2.0: <http://www.apache.org/licenses/LICENSE-2.0>
 
 Apache OpenDAL, OpenDAL, and Apache are either registered trademarks or trademarks of the Apache Software Foundation.
+
diff --git a/core/src/services/fs/backend.rs b/core/src/services/fs/backend.rs
index 1a0afb9c2e86..42343c5830d6 100644
--- a/core/src/services/fs/backend.rs
+++ b/core/src/services/fs/backend.rs
@@ -541,6 +541,7 @@ impl Access for FsBackend {
     }
 }
 
+
 #[cfg(test)]
 mod tests {
     use super::*;