创建类型为自定义Code码 "use_custom_code"：true 的卡卷 创建成功后查看卡卷详情可以看到设置了库存和use_custom_code：true，而且审核通过CARD_STATUS_VERIFY_OK，然后导入自定义code，导入成功后。然后分别用openid和标签去群发优惠卷，但是报错反馈-1 system hit..之类的，为什么会这样。文档上不是说自定义导code和非自定义都能群发吗，谢谢
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