'主键', 'Serial_no' => '订单流水号', 'User_id' => '客户ID', 'Createtime' => '下单时间', 'Symbol' => '交易币种', 'Trade_num' => '交易数量', 'Trade_cycle' => '交易周期秒', 'Expect_percent' => '预期收益比', 'Expect_income' => '预期收益', 'Current_price' => '下单价格', 'Close_price' => '平仓价格', 'Trade_result_num' => '盈亏数量', 'Order_hash' => '订单Hash', 'Open_time' => '结算时间', 'Trade_result' => '交易结果', 'Trade_result win' => '盈', 'Trade_result loss' => '亏', 'Rise_or_fall' => '涨跌', 'Rise_or_fall rise' => '涨', 'Rise_or_fall fall' => '跌' ];