【代码报错】Error in training : Object reference not set to an instance of an object.由bqsx8e9a创建，最终由small_q更新于2025-08-07 06:29 被浏览 14 用户StockRanker 训练程序无法运行 https://bigquant.com/codesharev3/16a53d1d-8b1c-4968-ac0b-0398392b97ca \