{
  "code": 200,
  "msg": "ok",
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      "amount": 20000,
      "billType": "ADVANCE",
      "periodName": "第一期 · 付款 比例33%",
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      "payChannel": "WECHAT",
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      "billType": "PROGRESS",
      "periodName": "第二期 · 付款 比例33%",
      "periodRatio": 33,
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      "billType": "ADVANCE",
      "periodName": "第一期 · 预付款 比例30%",
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      "payTime": null,
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