diff --git a/src/main/java/io/cubefs/CubefsFileSystem.java b/src/main/java/io/cubefs/CubefsFileSystem.java
index 0673bda..d79799c 100644
--- a/src/main/java/io/cubefs/CubefsFileSystem.java
+++ b/src/main/java/io/cubefs/CubefsFileSystem.java
@@ -445,4 +445,10 @@ public void close() throws IOException {
         super.close();
         cfs.closeClient();
     }
+
+    @Override
+    public String getCanonicalServiceName() {
+        // Does not support Token
+        return null;
+    }
 }