diff --git a/sdgb-api/src/title/model/get_user_rating_api/mod.rs b/sdgb-api/src/title/model/get_user_rating_api/mod.rs
index 60a7f66..1814b90 100644
--- a/sdgb-api/src/title/model/get_user_rating_api/mod.rs
+++ b/sdgb-api/src/title/model/get_user_rating_api/mod.rs
@@ -160,7 +160,7 @@ impl Display for MusicRating {
             ))?;
         } else {
             f.write_fmt(format_args!(
-                "谱面版本: \tSD 1.{:02}{:02}\n",
+                "谱面版本: \tSD 1.{:02}.{:02}\n",
                 (self.rom_version / 100) % 100,
                 self.rom_version % 100,
             ))?;
diff --git a/utils/export_players.py b/utils/export_players.py
index a7c9227..b54c4ff 100644
--- a/utils/export_players.py
+++ b/utils/export_players.py
@@ -1,6 +1,7 @@
 from datetime import datetime
 import json
 import hashlib
+from typing import Callable
 
 SALT = b"Lt2N5xgjJOqRsT5qVt7wWYw6SqOPZDI7"
 
@@ -11,7 +12,7 @@ def salted_hash_userid(player: dict):
     player["userId"] = hash_uid.hexdigest()[:16]
 
 
-def remove_useless_fields(player: dict):
+def clean_player(player: dict):
     player.pop("isLogin")
     player.pop("lastLoginDate")
     player.pop("lastPlayDate")
@@ -33,23 +34,35 @@ def record_time(*, _: list[datetime] = []):
         return diff
 
 
-def main():
+def process(
+    clean_fields: Callable[[dict], None],
+    input_file: str,
+    output_file: str,
+):
     record_time()
-    with open("players.json", "r", encoding="utf-8") as f:
+    with open(input_file, "r", encoding="utf-8") as f:
         data = json.load(f)
     print(f"loaded, cost {record_time():.2f}s")
 
     record_time()
     for entry in data:
         salted_hash_userid(entry)
-        remove_useless_fields(entry)
+        clean_fields(entry)
     print(f"processed, cost {record_time():.2f}s")
 
     record_time()
-    with open("players_pub.json", "w", encoding="utf-8") as f:
+    with open(output_file, "w", encoding="utf-8") as f:
         json.dump(data, f, ensure_ascii=False)
     print(f"written out, cost {record_time():.2f}s")
 
 
+def main():
+    process(
+        clean_player,
+        "players.json",
+        "players_pub.json",
+    )
+
+
 if __name__ == "__main__":
     main()