diff --git a/uncloud/filescanner/main.py b/uncloud/filescanner/main.py
index 9d2b2f6..cb5f2b7 100755
--- a/uncloud/filescanner/main.py
+++ b/uncloud/filescanner/main.py
@@ -14,6 +14,7 @@ from uncloud.shared import shared
 
 
 arg_parser = argparse.ArgumentParser('filescanner', add_help=False)
+arg_parser.add_argument('--hostname', required=True)
 
 
 def sha512sum(file: str):
@@ -41,7 +42,7 @@ def sha512sum(file: str):
     return None
 
 
-def track_file(file, base_dir):
+def track_file(file, base_dir, host):
     file_path = file.relative_to(base_dir)
     file_str = str(file)
     # Get Username
@@ -60,6 +61,7 @@ def track_file(file, base_dir):
             'sha512sum': sha512sum(file_str),
             'creation_date': creation_date,
             'size': str(bitmath.Byte(os.path.getsize(file_str)).to_MB()),
+            'host': host
         }
 
         logger.info('Tracking %s', file_str)
@@ -67,7 +69,7 @@ def track_file(file, base_dir):
         shared.etcd_client.put(entry_key, entry_value, value_in_json=True)
 
 
-def main(debug=False):
+def main(hostname, debug=False):
     base_dir = settings['storage']['file_dir']
     # Recursively Get All Files and Folder below BASE_DIR
     files = glob.glob('{}/**'.format(base_dir), recursive=True)
@@ -77,11 +79,8 @@ def main(debug=False):
     tracked_files = [
         pathlib.Path(os.path.join(base_dir, f.value['owner'], f.value['filename']))
         for f in shared.etcd_client.get_prefix(settings['etcd']['file_prefix'], value_in_json=True)
+        if f.value['host'] == hostname
     ]
     untracked_files = set(files) - set(tracked_files)
     for file in untracked_files:
-        track_file(file, base_dir)
-
-
-if __name__ == '__main__':
-    main()
+        track_file(file, base_dir, hostname)