dy-dashboard/vault/知识库/工作指南/训练记录/2026-08-28-下单备份接口字符集错误修复.md

1. 主题

旭东 → OpenClaw：

app.js?v=1787912577:16405 GET http://192.168.8.186:18888/api/purchase/pending_list?status=backup 500 (INTERNAL SERVER ERROR) loadBackupList @ app.js?v=1787912577:16405 loadPurchaseReadyPage @ app.js?v=1787912577:16379 loadPage @ app.js?v=1787912577:3692 (anonymous) @ ready:634 VM488:1 Uncaught (in promise) SyntaxError: Unexpected token '<', "<!doctype "... is not valid JSON

OpenClaw 响应： 已修复下单备份列表接口500错误。原因是新增下单人关联查询时，不同数据表字符集排序规则不一致，触发MySQL Illegal mix of collations；现对相关编码关联查询统一使用BINARY比较，保留原有数据和功能。数据库查询验证、Python/JavaScript语法检查、diff检查通过；测试服务已重载，HTTP 200正常。Git提交 09994f1。