diff --git a/index_downloader.py b/index_downloader.py
new file mode 100644
index 0000000..d6c523f
--- /dev/null
+++ b/index_downloader.py
@@ -0,0 +1,51 @@
+import os
+
+import akshare as ak
+import pandas as pd
+from loguru import logger
+
+# index_hist_df = ak.index_zh_a_hist(
+#     symbol="000001",  # 指数代码,如上证指数
+#     period="daily",  # K线周期: daily(日K)
+#     start_date="19700101",  # 开始日期
+#     end_date="22220101",  # 结束日期
+# )
+
+
+def get_all_stock_index():
+    index_choice = ["沪深重要指数", "上证系列指数", "深证系列指数", "中证系列指数"]
+    index_df_list = []
+    for source in index_choice:
+        logger.info(f"正在获取 {source}...")
+        index_df = ak.stock_zh_index_spot_em(symbol=source)
+        index_df["symbol"] = source
+        index_df_list.append(index_df)
+        logger.info(f"{source}: {index_df.shape[0]}")
+    df = pd.concat(index_df_list)
+    return df
+
+
+if __name__ == "__main__":
+    # df = get_all_stock_index()
+    # df.to_csv("index_all_stock.csv", index=False, encoding="utf-8-sig")
+
+    df = pd.read_csv("index_all_stock.csv", encoding="utf-8-sig")
+    for index, row in df.iterrows():
+        print(f"正在获取 {index} {row['代码']} ...")
+        file_path = f"data/{row['代码']}.csv"
+        if os.path.exists(file_path):
+            print(f"{row['代码']} 存在")
+            continue
+        index_hist_df = ak.index_zh_a_hist(
+            symbol=row["代码"],  # 指数代码,如上证指数
+            period="daily",  # K线周期: daily(日K)
+            start_date="19700101",  # 开始日期
+            end_date="22220101",  # 结束日期
+        )
+        index_hist_df.to_csv(
+            f"data/{row['代码']}.csv", index=False, encoding="utf-8-sig"
+        )
+        # time.sleep(15)
+    # print(index_hist_df)
+
+    ...