[Bug]: Feishu plugin: ERR_FR_TOO_MANY_REDIRECTS when calling tenant_access_token API #39794
Description
Bug type
Regression (worked before, now fails)
Summary
Feishu 飞书机器人连接失败，报错 ERR_FR_TOO_MANY_REDIRECTS
Steps to reproduce
- Configure Feishu App ID and Secret
- Start gateway
- Observe log error
Expected behavior
Feishu bot connects successfully
Actual behavior
Error [ERR_FR_TOO_MANY_REDIRECTS]: Maximum number of redirects exceeded url:https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal
OpenClaw version
2026.2.26
Operating system
macOS
Install method
No response
Logs, screenshots, and evidence
Impact and severity
No response
Additional information
No response