diff --git a/preprocess_text.py b/preprocess_text.py
index 6bc8585..65fc77b 100644
--- a/preprocess_text.py
+++ b/preprocess_text.py
@@ -1,145 +1,161 @@
+import argparse
 import json
-import os
 from collections import defaultdict
+from pathlib import Path
 from random import shuffle
 from typing import Optional
 
-import click
 from tqdm import tqdm
 
-from config import config
+from config import Preprocess_text_config, config
 from style_bert_vits2.logging import logger
 from style_bert_vits2.nlp import clean_text
 from style_bert_vits2.nlp.japanese import pyopenjtalk_worker
 from style_bert_vits2.nlp.japanese.user_dict import update_dict
 from style_bert_vits2.utils.stdout_wrapper import SAFE_STDOUT
 
-
 # このプロセスからはワーカーを起動して辞書を使いたいので、ここで初期化
 pyopenjtalk_worker.initialize_worker()
 
 # dict_data/ 以下の辞書データを pyopenjtalk に適用
 update_dict()
 
-preprocess_text_config = config.preprocess_text_config
+
+preprocess_text_config: Preprocess_text_config = config.preprocess_text_config
 
 
 # Count lines for tqdm
-def count_lines(file_path: str):
-    with open(file_path, "r", encoding="utf-8") as file:
+def count_lines(file_path: Path):
+    with file_path.open("r", encoding="utf-8") as file:
         return sum(1 for _ in file)
 
 
-@click.command()
-@click.option(
-    "--transcription-path",
-    default=preprocess_text_config.transcription_path,
-    type=click.Path(exists=True, file_okay=True, dir_okay=False),
-)
-@click.option("--cleaned-path", default=preprocess_text_config.cleaned_path)
-@click.option("--train-path", default=preprocess_text_config.train_path)
-@click.option("--val-path", default=preprocess_text_config.val_path)
-@click.option(
-    "--config-path",
-    default=preprocess_text_config.config_path,
-    type=click.Path(exists=True, file_okay=True, dir_okay=False),
-)
-@click.option("--val-per-lang", default=preprocess_text_config.val_per_lang)
-@click.option("--max-val-total", default=preprocess_text_config.max_val_total)
-@click.option("--clean/--no-clean", default=preprocess_text_config.clean)
-@click.option("-y", "--yml_config")
-@click.option("--use_jp_extra", is_flag=True)
-@click.option("--yomi_error", default="raise")
-def preprocess(
-    transcription_path: str,
-    cleaned_path: Optional[str],
-    train_path: str,
-    val_path: str,
-    config_path: str,
-    val_per_lang: int,
-    max_val_total: int,
-    clean: bool,
-    yml_config: str,  # 这个不要删
+def write_error_log(error_log_path: Path, line: str, error: Exception):
+    with error_log_path.open("a", encoding="utf-8") as error_log:
+        error_log.write(f"{line.strip()}\n{error}\n\n")
+
+
+def process_line(
+    line: str,
+    transcription_path: Path,
+    correct_path: bool,
     use_jp_extra: bool,
     yomi_error: str,
+):
+    splitted_line = line.strip().split("|")
+    if len(splitted_line) != 4:
+        raise ValueError(f"Invalid line format: {line.strip()}")
+    utt, spk, language, text = splitted_line
+    norm_text, phones, tones, word2ph = clean_text(
+        text=text,
+        language=language,  # type: ignore
+        use_jp_extra=use_jp_extra,
+        raise_yomi_error=(yomi_error != "use"),
+    )
+    if correct_path:
+        utt = str(transcription_path.parent / "wavs" / utt)
+
+    return "{}|{}|{}|{}|{}|{}|{}\n".format(
+        utt,
+        spk,
+        language,
+        norm_text,
+        " ".join(phones),
+        " ".join([str(i) for i in tones]),
+        " ".join([str(i) for i in word2ph]),
+    )
+
+
+def preprocess(
+    transcription_path: Path,
+    cleaned_path: Optional[Path],
+    train_path: Path,
+    val_path: Path,
+    config_path: Path,
+    val_per_lang: int,
+    max_val_total: int,
+    # clean: bool,
+    use_jp_extra: bool,
+    yomi_error: str,
+    correct_path: bool,
 ):
     assert yomi_error in ["raise", "skip", "use"]
     if cleaned_path == "" or cleaned_path is None:
-        cleaned_path = transcription_path + ".cleaned"
+        cleaned_path = transcription_path.with_name(
+            transcription_path.name + ".cleaned"
+        )
 
-    error_log_path = os.path.join(os.path.dirname(cleaned_path), "text_error.log")
-    if os.path.exists(error_log_path):
-        os.remove(error_log_path)
+    error_log_path = transcription_path.parent / "text_error.log"
+    if error_log_path.exists():
+        error_log_path.unlink()
     error_count = 0
 
-    if clean:
-        total_lines = count_lines(transcription_path)
-        with open(cleaned_path, "w", encoding="utf-8") as out_file:
-            with open(transcription_path, "r", encoding="utf-8") as trans_file:
-                for line in tqdm(trans_file, file=SAFE_STDOUT, total=total_lines):
-                    try:
-                        utt, spk, language, text = line.strip().split("|")
-                        norm_text, phones, tones, word2ph = clean_text(
-                            text=text,
-                            language=language,  # type: ignore
-                            use_jp_extra=use_jp_extra,
-                            raise_yomi_error=(yomi_error != "use"),
-                        )
+    total_lines = count_lines(transcription_path)
 
-                        out_file.write(
-                            "{}|{}|{}|{}|{}|{}|{}\n".format(
-                                utt,
-                                spk,
-                                language,
-                                norm_text,
-                                " ".join(phones),
-                                " ".join([str(i) for i in tones]),
-                                " ".join([str(i) for i in word2ph]),
-                            )
-                        )
-                    except Exception as e:
-                        logger.error(
-                            f"An error occurred at line:\n{line.strip()}\n{e}",
-                            encoding="utf-8",
-                        )
-                        with open(error_log_path, "a", encoding="utf-8") as error_log:
-                            error_log.write(f"{line.strip()}\n{e}\n\n")
-                        error_count += 1
+    # transcription_path から 1行ずつ読み込んで文章処理して cleaned_path に書き込む
+    with (
+        transcription_path.open("r", encoding="utf-8") as trans_file,
+        cleaned_path.open("w", encoding="utf-8") as out_file,
+    ):
+        for line in tqdm(trans_file, file=SAFE_STDOUT, total=total_lines):
+            try:
+                processed_line = process_line(
+                    line,
+                    transcription_path,
+                    correct_path,
+                    use_jp_extra,
+                    yomi_error,
+                )
+                out_file.write(processed_line)
+            except Exception as e:
+                logger.error(
+                    f"An error occurred at line:\n{line.strip()}\n{e}", encoding="utf-8"
+                )
+                write_error_log(error_log_path, line, e)
+                error_count += 1
 
     transcription_path = cleaned_path
-    spk_utt_map = defaultdict(list)
-    spk_id_map = {}
-    current_sid = 0
 
-    with open(transcription_path, "r", encoding="utf-8") as f:
-        audioPaths = set()
-        countSame = 0
-        countNotFound = 0
+    # 各話者ごとのlineの辞書
+    spk_utt_map: dict[str, list[str]] = defaultdict(list)
+
+    # 話者からIDへの写像
+    spk_id_map: dict[str, int] = {}
+
+    # 話者ID
+    current_sid: int = 0
+
+    # 音源ファイルのチェックや、spk_id_mapの作成
+    with transcription_path.open("r", encoding="utf-8") as f:
+        audio_paths: set[str] = set()
+        count_same = 0
+        count_not_found = 0
         for line in f.readlines():
-            utt, spk, language, text, phones, tones, word2ph = line.strip().split("|")
-            if utt in audioPaths:
-                # 过滤数据集错误：相同的音频匹配多个文本，导致后续bert出问题
-                logger.warning(f"Same audio matches multiple texts: {line}")
-                countSame += 1
+            utt, spk = line.strip().split("|")[:2]
+            if utt in audio_paths:
+                logger.warning(f"Same audio file appears multiple times: {utt}")
+                count_same += 1
                 continue
-            if not os.path.isfile(utt):
-                # 过滤数据集错误：不存在对应音频
+            if not Path(utt).is_file():
                 logger.warning(f"Audio not found: {utt}")
-                countNotFound += 1
+                count_not_found += 1
                 continue
-            audioPaths.add(utt)
-            spk_utt_map[language].append(line)
+            audio_paths.add(utt)
+            spk_utt_map[spk].append(line)
+
+            # 新しい話者が出てきたら話者IDを割り当て、current_sidを1増やす
             if spk not in spk_id_map.keys():
                 spk_id_map[spk] = current_sid
                 current_sid += 1
-        if countSame > 0 or countNotFound > 0:
+        if count_same > 0 or count_not_found > 0:
             logger.warning(
-                f"Total repeated audios: {countSame}, Total number of audio not found: {countNotFound}"
+                f"Total repeated audios: {count_same}, Total number of audio not found: {count_not_found}"
             )
 
-    train_list = []
-    val_list = []
+    train_list: list[str] = []
+    val_list: list[str] = []
 
+    # 各話者ごとにシャッフルして、val_per_lang個をval_listに、残りをtrain_listに追加
     for spk, utts in spk_utt_map.items():
         shuffle(utts)
         val_list += utts[:val_per_lang]
@@ -150,26 +166,21 @@ def preprocess(
         train_list += val_list[max_val_total:]
         val_list = val_list[:max_val_total]
 
-    with open(train_path, "w", encoding="utf-8") as f:
+    with train_path.open("w", encoding="utf-8") as f:
         for line in train_list:
             f.write(line)
 
-    with open(val_path, "w", encoding="utf-8") as f:
+    with val_path.open("w", encoding="utf-8") as f:
         for line in val_list:
             f.write(line)
 
-    json_config = json.load(open(config_path, encoding="utf-8"))
+    with config_path.open("r", encoding="utf-8") as f:
+        json_config = json.load(f)
+
     json_config["data"]["spk2id"] = spk_id_map
     json_config["data"]["n_speakers"] = len(spk_id_map)
-    # 新增写入：写入训练版本、数据集路径
-    # json_config["version"] = latest_version
-    json_config["data"]["training_files"] = os.path.normpath(train_path).replace(
-        "\\", "/"
-    )
-    json_config["data"]["validation_files"] = os.path.normpath(val_path).replace(
-        "\\", "/"
-    )
-    with open(config_path, "w", encoding="utf-8") as f:
+
+    with config_path.open("w", encoding="utf-8") as f:
         json.dump(json_config, f, indent=2, ensure_ascii=False)
     if error_count > 0:
         if yomi_error == "skip":
@@ -194,4 +205,50 @@ def preprocess(
 
 
 if __name__ == "__main__":
-    preprocess()
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--transcription-path", default=preprocess_text_config.transcription_path
+    )
+    parser.add_argument("--cleaned-path", default=preprocess_text_config.cleaned_path)
+    parser.add_argument("--train-path", default=preprocess_text_config.train_path)
+    parser.add_argument("--val-path", default=preprocess_text_config.val_path)
+    parser.add_argument("--config-path", default=preprocess_text_config.config_path)
+
+    # 「話者ごと」のバリデーションデータ数、言語ごとではない！
+    # 元のコードや設定ファイルでval_per_langとなっていたので名前をそのままにしている
+    parser.add_argument(
+        "--val-per-lang",
+        default=preprocess_text_config.val_per_lang,
+        help="Number of validation data per SPEAKER, not per language (due to compatibility with the original code).",
+    )
+    parser.add_argument("--max-val-total", default=preprocess_text_config.max_val_total)
+    parser.add_argument("--use_jp_extra", action="store_true")
+    parser.add_argument("--yomi_error", default="raise")
+    parser.add_argument("--correct_path", action="store_true")
+
+    args = parser.parse_args()
+    logger.debug(f"args: {args}")
+
+    transcription_path = Path(args.transcription_path)
+    cleaned_path = Path(args.cleaned_path) if args.cleaned_path else None
+    train_path = Path(args.train_path)
+    val_path = Path(args.val_path)
+    config_path = Path(args.config_path)
+    val_per_lang = int(args.val_per_lang)
+    max_val_total = int(args.max_val_total)
+    use_jp_extra: bool = args.use_jp_extra
+    yomi_error: str = args.yomi_error
+    correct_path: bool = args.correct_path
+
+    preprocess(
+        transcription_path=transcription_path,
+        cleaned_path=cleaned_path,
+        train_path=train_path,
+        val_path=val_path,
+        config_path=config_path,
+        val_per_lang=val_per_lang,
+        max_val_total=max_val_total,
+        use_jp_extra=use_jp_extra,
+        yomi_error=yomi_error,
+        correct_path=correct_path,
+    )
diff --git a/resample.py b/resample.py
index f9f1e3b..5be01a7 100644
--- a/resample.py
+++ b/resample.py
@@ -14,6 +14,7 @@ from config import config
 from style_bert_vits2.logging import logger
 from style_bert_vits2.utils.stdout_wrapper import SAFE_STDOUT
 
+
 DEFAULT_BLOCK_SIZE: float = 0.400  # seconds
 
 
@@ -33,6 +34,9 @@ def normalize_audio(data: NDArray[Any], sr: int):
 
 
 def resample(file: Path, output_dir: Path, target_sr: int, normalize: bool, trim: bool):
+    """
+    fileを読み込んで、target_srなwavファイルに変換してoutput_dir直下に保存する
+    """
     try:
         # librosaが読めるファイルかチェック
         # wav以外にもmp3やoggやflacなども読める
diff --git a/style_bert_vits2/logging.py b/style_bert_vits2/logging.py
index e552bf7..e5c216a 100644
--- a/style_bert_vits2/logging.py
+++ b/style_bert_vits2/logging.py
@@ -12,5 +12,4 @@ logger.add(
     format="<g>{time:MM-DD HH:mm:ss}</g> |<lvl>{level:^8}</lvl>| {file}:{line} | {message}",
     backtrace=True,
     diagnose=True,
-    level="TRACE",
 )
diff --git a/style_bert_vits2/nlp/japanese/normalizer.py b/style_bert_vits2/nlp/japanese/normalizer.py
index d3bc40e..5ceb2f8 100644
--- a/style_bert_vits2/nlp/japanese/normalizer.py
+++ b/style_bert_vits2/nlp/japanese/normalizer.py
@@ -36,7 +36,7 @@ def normalize_text(text: str) -> str:
 
     res = unicodedata.normalize("NFKC", text)  # ここでアルファベットは半角になる
     res = __convert_numbers_to_words(res)  # 「100円」→「百円」等
-    # 「～」と「〜」とと「~」も長音記号として扱う
+    # 「～」と「〜」と「~」も長音記号として扱う
     res = res.replace("~", "ー")
     res = res.replace("～", "ー")
     res = res.replace("〜", "ー")
diff --git a/style_gen.py b/style_gen.py
index 02af067..a21ab2b 100644
--- a/style_gen.py
+++ b/style_gen.py
@@ -1,5 +1,4 @@
 import argparse
-import warnings
 from concurrent.futures import ThreadPoolExecutor
 from typing import Any
 
diff --git a/webui/style_vectors.py b/webui/style_vectors.py
index 05056eb..e125c3f 100644
--- a/webui/style_vectors.py
+++ b/webui/style_vectors.py
@@ -6,12 +6,12 @@ import gradio as gr
 import matplotlib.pyplot as plt
 import numpy as np
 import yaml
+from config import config
 from scipy.spatial.distance import pdist, squareform
 from sklearn.cluster import DBSCAN, AgglomerativeClustering, KMeans
 from sklearn.manifold import TSNE
 from umap import UMAP
 
-from config import config
 from style_bert_vits2.constants import DEFAULT_STYLE, GRADIO_THEME
 from style_bert_vits2.logging import logger
 
diff --git a/webui/train.py b/webui/train.py
index f7c1659..c4cd60a 100644
--- a/webui/train.py
+++ b/webui/train.py
@@ -24,32 +24,31 @@ tensorboard_executed = False
 # Get path settings
 with open(os.path.join("configs", "paths.yml"), "r", encoding="utf-8") as f:
     path_config: dict[str, str] = yaml.safe_load(f.read())
-    dataset_root = path_config["dataset_root"]
-    # assets_root = path_config["assets_root"]
+    dataset_root = Path(path_config["dataset_root"])
 
 
-def get_path(model_name):
+def get_path(model_name: str) -> tuple[Path, Path, Path, Path, Path]:
     assert model_name != "", "モデル名は空にできません"
-    dataset_path = os.path.join(dataset_root, model_name)
-    lbl_path = os.path.join(dataset_path, "esd.list")
-    train_path = os.path.join(dataset_path, "train.list")
-    val_path = os.path.join(dataset_path, "val.list")
-    config_path = os.path.join(dataset_path, "config.json")
+    dataset_path = dataset_root / model_name
+    lbl_path = dataset_path / "esd.list"
+    train_path = dataset_path / "train.list"
+    val_path = dataset_path / "val.list"
+    config_path = dataset_path / "config.json"
     return dataset_path, lbl_path, train_path, val_path, config_path
 
 
 def initialize(
-    model_name,
-    batch_size,
-    epochs,
-    save_every_steps,
-    freeze_EN_bert,
-    freeze_JP_bert,
-    freeze_ZH_bert,
-    freeze_style,
-    freeze_decoder,
-    use_jp_extra,
-    log_interval,
+    model_name: str,
+    batch_size: int,
+    epochs: int,
+    save_every_steps: int,
+    freeze_EN_bert: bool,
+    freeze_JP_bert: bool,
+    freeze_ZH_bert: bool,
+    freeze_style: bool,
+    freeze_decoder: bool,
+    use_jp_extra: bool,
+    log_interval: int,
 ):
     global logger_handler
     dataset_path, _, train_path, val_path, config_path = get_path(model_name)
@@ -72,8 +71,8 @@ def initialize(
     with open(default_config_path, "r", encoding="utf-8") as f:
         config = json.load(f)
     config["model_name"] = model_name
-    config["data"]["training_files"] = train_path
-    config["data"]["validation_files"] = val_path
+    config["data"]["training_files"] = str(train_path)
+    config["data"]["validation_files"] = str(val_path)
     config["train"]["batch_size"] = batch_size
     config["train"]["epochs"] = epochs
     config["train"]["eval_interval"] = save_every_steps
@@ -90,18 +89,18 @@ def initialize(
     # 今はデフォルトであるが、以前は非JP-Extra版になくバグの原因になるので念のため
     config["data"]["use_jp_extra"] = use_jp_extra
 
-    model_path = os.path.join(dataset_path, "models")
-    if os.path.exists(model_path):
+    model_path = dataset_path / "models"
+    if model_path.exists():
         logger.warning(
             f"Step 1: {model_path} already exists, so copy it to backup to {model_path}_backup"
         )
         shutil.copytree(
             src=model_path,
-            dst=os.path.join(dataset_path, "models_backup"),
+            dst=dataset_path / "models_backup",
             dirs_exist_ok=True,
         )
         shutil.rmtree(model_path)
-    pretrained_dir = "pretrained" if not use_jp_extra else "pretrained_jp_extra"
+    pretrained_dir = Path("pretrained" if not use_jp_extra else "pretrained_jp_extra")
     try:
         shutil.copytree(
             src=pretrained_dir,
@@ -113,30 +112,29 @@ def initialize(
 
     with open(config_path, "w", encoding="utf-8") as f:
         json.dump(config, f, indent=2, ensure_ascii=False)
-    if not os.path.exists("config.yml"):
+    if not Path("config.yml").exists():
         shutil.copy(src="default_config.yml", dst="config.yml")
-    # yml_data = safe_load(open("config.yml", "r", encoding="utf-8"))
     with open("config.yml", "r", encoding="utf-8") as f:
         yml_data = yaml.safe_load(f)
     yml_data["model_name"] = model_name
-    yml_data["dataset_path"] = dataset_path
+    yml_data["dataset_path"] = str(dataset_path)
     with open("config.yml", "w", encoding="utf-8") as f:
         yaml.dump(yml_data, f, allow_unicode=True)
     logger.success("Step 1: initialization finished.")
     return True, "Step 1, Success: 初期設定が完了しました"
 
 
-def resample(model_name, normalize, trim, num_processes):
+def resample(model_name: str, normalize: bool, trim: bool, num_processes: int):
     logger.info("Step 2: start resampling...")
     dataset_path, _, _, _, _ = get_path(model_name)
-    input_dir = os.path.join(dataset_path, "raw")
-    output_dir = os.path.join(dataset_path, "wavs")
+    input_dir = dataset_path / "raw"
+    output_dir = dataset_path / "wavs"
     cmd = [
         "resample.py",
         "-i",
-        input_dir,
+        str(input_dir),
         "-o",
-        output_dir,
+        str(output_dir),
         "--num_processes",
         str(num_processes),
         "--sr",
@@ -157,42 +155,30 @@ def resample(model_name, normalize, trim, num_processes):
     return True, "Step 2, Success: 音声ファイルの前処理が完了しました"
 
 
-def preprocess_text(model_name, use_jp_extra, val_per_lang, yomi_error):
+def preprocess_text(
+    model_name: str, use_jp_extra: bool, val_per_lang: int, yomi_error: str
+):
     logger.info("Step 3: start preprocessing text...")
-    dataset_path, lbl_path, train_path, val_path, config_path = get_path(model_name)
-    try:
-        lines = open(lbl_path, "r", encoding="utf-8").readlines()
-    except FileNotFoundError:
+    _, lbl_path, train_path, val_path, config_path = get_path(model_name)
+    if not lbl_path.exists():
         logger.error(f"Step 3: {lbl_path} not found.")
         return False, f"Step 3, Error: 書き起こしファイル {lbl_path} が見つかりません。"
-    new_lines = []
-    for line in lines:
-        if len(line.strip().split("|")) != 4:
-            logger.error(f"Step 3: {lbl_path} has invalid format at line:\n{line}")
-            return (
-                False,
-                f"Step 3, Error: 書き起こしファイル次の行の形式が不正です:\n{line}",
-            )
-        path, spk, language, text = line.strip().split("|")
-        # pathをファイル名だけ取り出して正しいパスに変更
-        path = Path(dataset_path) / "wavs" / Path(path).name
-        new_lines.append(f"{path}|{spk}|{language}|{text}\n")
-    with open(lbl_path, "w", encoding="utf-8") as f:
-        f.writelines(new_lines)
+
     cmd = [
         "preprocess_text.py",
         "--config-path",
-        config_path,
+        str(config_path),
         "--transcription-path",
-        lbl_path,
+        str(lbl_path),
         "--train-path",
-        train_path,
+        str(train_path),
         "--val-path",
-        val_path,
+        str(val_path),
         "--val-per-lang",
         str(val_per_lang),
         "--yomi_error",
         yomi_error,
+        "--correct_path",  # 音声ファイルのパスを正しいパスに修正する
     ]
     if use_jp_extra:
         cmd.append("--use_jp_extra")
@@ -213,17 +199,11 @@ def preprocess_text(model_name, use_jp_extra, val_per_lang, yomi_error):
     return True, "Step 3, Success: 書き起こしファイルの前処理が完了しました"
 
 
-def bert_gen(model_name):
+def bert_gen(model_name: str):
     logger.info("Step 4: start bert_gen...")
     _, _, _, _, config_path = get_path(model_name)
     success, message = run_script_with_log(
-        [
-            "bert_gen.py",
-            "--config",
-            config_path,
-            # "--num_processes",  # bert_genは重いのでプロセス数いじらない
-            #  str(num_processes),
-        ]
+        ["bert_gen.py", "--config", str(config_path)]
     )
     if not success:
         logger.error("Step 4: bert_gen failed.")
@@ -238,14 +218,14 @@ def bert_gen(model_name):
     return True, "Step 4, Success: BERT特徴ファイルの生成が完了しました"
 
 
-def style_gen(model_name, num_processes):
+def style_gen(model_name: str, num_processes: int):
     logger.info("Step 5: start style_gen...")
     _, _, _, _, config_path = get_path(model_name)
     success, message = run_script_with_log(
         [
             "style_gen.py",
             "--config",
-            config_path,
+            str(config_path),
             "--num_processes",
             str(num_processes),
         ]
@@ -267,22 +247,22 @@ def style_gen(model_name, num_processes):
 
 
 def preprocess_all(
-    model_name,
-    batch_size,
-    epochs,
-    save_every_steps,
-    num_processes,
-    normalize,
-    trim,
-    freeze_EN_bert,
-    freeze_JP_bert,
-    freeze_ZH_bert,
-    freeze_style,
-    freeze_decoder,
-    use_jp_extra,
-    val_per_lang,
-    log_interval,
-    yomi_error,
+    model_name: str,
+    batch_size: int,
+    epochs: int,
+    save_every_steps: int,
+    num_processes: int,
+    normalize: bool,
+    trim: bool,
+    freeze_EN_bert: bool,
+    freeze_JP_bert: bool,
+    freeze_ZH_bert: bool,
+    freeze_style: bool,
+    freeze_decoder: bool,
+    use_jp_extra: bool,
+    val_per_lang: int,
+    log_interval: int,
+    yomi_error: str,
 ):
     if model_name == "":
         return False, "Error: モデル名を入力してください"
@@ -333,18 +313,23 @@ def preprocess_all(
     )
 
 
-def train(model_name, skip_style=False, use_jp_extra=True, speedup=False):
+def train(
+    model_name: str,
+    skip_style: bool = False,
+    use_jp_extra: bool = True,
+    speedup: bool = False,
+):
     dataset_path, _, _, _, config_path = get_path(model_name)
-    # 学習再開の場合は念のためconfig.ymlの名前等を更新
+    # 学習再開の場合を考えて念のためconfig.ymlの名前等を更新
     with open("config.yml", "r", encoding="utf-8") as f:
         yml_data = yaml.safe_load(f)
     yml_data["model_name"] = model_name
-    yml_data["dataset_path"] = dataset_path
+    yml_data["dataset_path"] = str(dataset_path)
     with open("config.yml", "w", encoding="utf-8") as f:
         yaml.dump(yml_data, f, allow_unicode=True)
 
     train_py = "train_ms.py" if not use_jp_extra else "train_ms_jp_extra.py"
-    cmd = [train_py, "--config", config_path, "--model", dataset_path]
+    cmd = [train_py, "--config", str(config_path), "--model", str(dataset_path)]
     if skip_style:
         cmd.append("--skip_default_style")
     if speedup:
@@ -360,7 +345,7 @@ def train(model_name, skip_style=False, use_jp_extra=True, speedup=False):
     return True, "Success: 学習が完了しました"
 
 
-def wait_for_tensorboard(port=6006, timeout=10):
+def wait_for_tensorboard(port: int = 6006, timeout: float = 10):
     start_time = time.time()
     while True:
         try:
@@ -375,7 +360,7 @@ def wait_for_tensorboard(port=6006, timeout=10):
         time.sleep(0.1)
 
 
-def run_tensorboard(model_name):
+def run_tensorboard(model_name: str):
     global tensorboard_executed
     if not tensorboard_executed:
         python = sys.executable