交易对传错了。

s_erc20_to_mexc.py

@@ -122,7 +122,7 @@ class ArbitrageProcess:
 
         # --------------------------------------- 获取交易规则 ---------------------------------------
         exchange_info_params = {
-            "symbols": self.symbol
+            "symbols": f'{self.coin}{self.base_coin}'
         }
         exchange_info_rst = mexc.market.get_exchangeInfo(exchange_info_params)
         # 返回值检查