Optimize configuration: remove unused parameters and fix dynaconf setup

settings.toml

@@ -0,0 +1,30 @@
+# Binance K线数据下载配置
+
+[default]
+# 基础URL
+BASE_URL = "https://data.binance.vision/data/futures/um/monthly/klines/"
+
+# 默认交易对
+SYMBOLS = ["BOBUSDT", "BTCUSDT"]
+
+# 默认时间间隔
+INTERVAL = "1d"
+
+# K线数据列名
+KLINE_COLUMNS = [
+    "open_time", "open", "high", "low", "close", "volume",
+    "close_time", "quote_asset_volume", "number_of_trades",
+    "taker_buy_base_asset_volume", "taker_buy_quote_asset_volume", "ignore"
+]
+
+# 代理配置
+PROXY_ENABLED = true
+HTTP_PROXY = "http://localhost:1080"
+HTTPS_PROXY = "http://localhost:1080"
+
+# PostgreSQL数据库配置
+DB_HOST = "localhost"
+DB_PORT = 5432
+DB_DATABASE = "your_database"
+DB_USER = "your_username"
+DB_PASSWORD = "your_password"