diff --git a/.gitignore b/.gitignore
index 22016a7..7aa219e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,12 @@
-__pycache__
+# 忽略 Python 缓存目录
+__pycache__/
 
-/.vscode/*
+# 忽略 VSCode 配置目录
+/.vscode/
+/.history/
 
+# 忽略特定文件
 writemdict
-.history
 stardict.csv
 stardict.ddb
 stardict.txt
@@ -11,7 +14,17 @@ concise-enhanced.mdx
 concise-enhanced.png
 concise-enhanced.css
 Secret.py
+
+# 忽略 output 目录下的所有文件，除了 tag.ddb 和 phonetics.ddb
 /output/*
-/logs/*
-/oald-fork/*
-qwerty-learner/
+!output/tag.ddb
+!output/phonetics.ddb
+
+# 忽略 logs 目录
+/logs/
+
+# 忽略 oald-fork 目录
+/oald-fork/
+
+# 忽略 qwerty-learner 目录
+/qwerty-learner/
diff --git a/ddb_to_csv.py b/ddb_to_csv.py
new file mode 100644
index 0000000..75004d9
--- /dev/null
+++ b/ddb_to_csv.py
@@ -0,0 +1,43 @@
+from datetime import datetime
+from pathlib import Path
+
+import duckdb
+from loguru import logger
+
+
+def convert_stardictdb_to_csv(stardictdb_file: Path, csv_file: Path) -> None:
+    """
+    将 stardict.ddb 数据库转换回 stardict.csv 文件。
+
+    :param stardictdb_file: DuckDB 数据库文件路径
+    :param csv_file: 目标 CSV 文件路径
+    :raises FileNotFoundError: 如果 stardictdb_file 不存在
+    """
+    # 检查输入文件是否存在
+    if not stardictdb_file.exists():
+        logger.error(f"数据库文件 {stardictdb_file} 未找到")
+        raise FileNotFoundError(f"数据库文件 {stardictdb_file} 未找到")
+
+    # 处理目标文件已存在的情况
+    if csv_file.exists():
+        current_time = datetime.now().strftime("%Y%m%d_%H%M%S")
+        new_name = csv_file.with_name(f"stardict_old_{current_time}.csv")
+        csv_file.rename(new_name)
+        logger.info(f"已存在的 {csv_file} 已重命名为 {new_name}")
+
+    try:
+        # 连接到 DuckDB 数据库（只读模式）
+        with duckdb.connect(database=str(stardictdb_file), read_only=True) as conn:
+            # 导出数据到 CSV 文件
+            conn.execute(f"COPY stardict TO '{csv_file}' (FORMAT CSV, HEADER)")
+            logger.info(f"成功将 {stardictdb_file} 导出为 {csv_file}")
+    except Exception as e:
+        logger.error(f"导出过程中发生错误: {e}")
+        raise
+
+
+if __name__ == "__main__":
+    output_dir = Path("output")
+    stardictdb_file = Path() / output_dir / "stardict.ddb"
+    stardict_csv = Path() / "stardict.csv"
+    convert_stardictdb_to_csv(stardictdb_file, stardict_csv)
diff --git a/output/phonetics.ddb b/output/phonetics.ddb
new file mode 100644
index 0000000..bf453b3
Binary files /dev/null and b/output/phonetics.ddb differ
diff --git a/output/tag.ddb b/output/tag.ddb
new file mode 100644
index 0000000..edd1b27
Binary files /dev/null and b/output/tag.ddb differ
diff --git a/stardict.7z b/stardict.7z
index 825ea5d..62cb4bf 100644
Binary files a/stardict.7z and b/stardict.7z differ