fix(search): repair SearXNG engine failures
- bing: www.bing.com 302-redirects to cn.bing.com and SearXNG engine requests do not follow redirects, so it parsed the 178-byte redirect page and returned 0 results without any error report. Point bing at https://cn.bing.com to bypass the redirect. - Raise outgoing request_timeout 3.0 -> 8.0 and max_request_timeout 4.0 -> 15.0. max_request_timeout overrides each engine's own timeout, so 360search (timeout 20s) was still cut off at 4s. - Enable duckduckgo (verified working) and disable baidu/sogou which return 302 verification pages (baidu also hits a 1h CAPTCHA ban, and sogou raises AttributeError on SXNG_Response.next_request). - Document the diagnosis in the README FAQ.
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README.md
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README.md
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## 常见问题
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**搜索无结果**:确认容器能访问搜索引擎。国内服务器建议只启用百度/Bing中国/搜狗。
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**搜索无结果**:确认容器能访问搜索引擎。
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- 国内服务器通常需要代理才能出网:SearXNG 不读 `http_proxy` 环境变量,
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必须在 `searxng-settings.yml` 的 `outgoing.proxies` 里配置(见文件内注释)。
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- **Bing 结果异常少**:`www.bing.com` 会 302 跳到 `cn.bing.com`,而 SearXNG
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引擎请求不跟随重定向,只会解析跳转页得到 0 条且不报错。已在默认配置里把
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bing 的 `base_url` 指向 `https://cn.bing.com` 绕开该重定向。
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- **引擎大面积超时**:`outgoing.max_request_timeout` 会覆盖每个引擎自己的
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`timeout`。默认配置已放宽到 `request_timeout: 8.0` / `max_request_timeout: 15.0`,
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经代理访问时不要再调回 3/4 秒。
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- 百度与搜狗会返回 302 验证页(并触发引擎 1 小时封禁),默认已关闭。
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**管理后台 401**:设置了 `NAVI_ADMIN_TOKEN` 时需携带 Bearer token。
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