发送模板消息 参数是

{"data":{"character_string7":"O578160274857222144","phrase12":"已发货","amount11":"0.01"},"miniprogram_state":"trial","page":"pages/myOrderDetail/index?showHome=true&isMyself=true&orderNo=O578160274857222144","template_id":"CRRYwyhJPaOskK1_268T7unBqRa9le8yTV7pz7sc9xw","touser":"o37rH6-_Dqn2EhaRLpPHseJKBJ4k"}

返回的却是 {"errcode":47003,"errmsg":"argument invalid! data.character_string7.value i rid: 66436a2c-0d82d927-08a32d06"}

我这个 "character_string7":"O578160274857222144" 是19位 数字加字母组合 怎么会有问题呢 我这个是符合文档要求的呀，请大神指点