问题已解决，本人需要进件的是温州银行，account_info里的account_bank，传"其他银行"。

依据电商收付通二级商户进件文档：https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter7_1_1.shtml

问题：已根据文档仔细核对开户银行无误，接口返回如下：

{"applyment_id":2000002281359678,"applyment_state":"REJECTED","applyment_state_desc":"已驳回","audit_detail":[{"param_name":"account_number","reject_reason":"您好，您输入的开户银行名称有误，请参照开户银行对照表重新填写: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/terms_definition/chapter1_1_3.shtml#part-6"}],"out_request_no":"APPLYMENT_001_CLZ","sign_state":"NOT_SIGNABLE"}