From 4f32aab4a8425898307eb8fb568f104d6eb2d51f Mon Sep 17 00:00:00 2001
From: API Changelog Bot <changelog@hulalv.com>
Date: Mon, 23 Mar 2026 15:42:01 +0800
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后端proofUrl是选填，前端不应强制要求上传。

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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 .../2026-03-23_balance_proof_optional.md      | 27 +++++++++++++++++++
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 create mode 100644 changelogs/2026-03/2026-03-23_balance_proof_optional.md

diff --git a/changelogs/2026-03/2026-03-23_balance_proof_optional.md b/changelogs/2026-03/2026-03-23_balance_proof_optional.md
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+# 尾款凭证图片应为选填
+
+**日期**: 2026-03-23
+**页面**: 订单详情 → 尾款收取
+**类型**: 前端 BUG
+
+---
+
+## 问题
+
+"确认收到尾款"按钮要求必须上传凭证图片才能提交，但后端 `proofUrl` 是选填字段。
+
+## 后端接口
+
+```
+PUT /admin/order/{orderId}/record-balance
+{
+  "proofUrl": "https://...",   // 选填：凭证图片URL
+  "remark": "客户微信转账"       // 选填：备注
+}
+```
+
+两个字段都是选填。请求体可以为空 `{}`，也可以只传 remark。
+
+## 前端修复
+
+去掉凭证图片的必填校验，允许不上传图片直接确认收款。