---
title: "今日油价返回字段对照：p89/p92/p0 与 ct 的含义与空值处理|万维易源ShowAPI"
canonical_url: "https://www.showapi.com/guides/6a8fcd2f4ddd79ab67001c1f"
last_updated: "2026-09-18T15:28:53+08:00"
meta:
  description: "今日油价两个接入点的返回结构不同：查询油价（138-46）的 list[] 中价格字段是字符串，查询行情（138-49）的 p0/p89/p92 等是含 price、change、change_percent 的对象。2026-09-18 实测 31 条记录里 p90/p93/p97 全部为空字符串，p89 有 7 个省份返回 0.00。"
  keywords: "今日油价 返回字段, apiCode=138, p89 p92 p0 含义, 油价接口 字段说明, change_percent, ct 字段"
  "og:description": "今日油价两个接入点的返回结构不同：查询油价（138-46）的 list[] 中价格字段是字符串，查询行情（138-49）的 p0/p89/p92 等是含 price、change、change_percent 的对象。2026-09-18 实测 31 条记录里 p90/p93/p97 全部为空字符串，p89 有 7 个省份返回 0.00。"
  "og:title": "今日油价返回字段对照：p89/p92/p0 与 ct 的含义与空值处理"
---

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