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openclaw - 💡(How to fix) Fix Heartbeat机制异常：模型切换、触发失败、输出格式变化 [1 comments, 1 participants]

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openclaw/openclaw#58851•Fetched 2026-04-08 02:31:54
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Code Example

{
  "agents": {
    "defaults": {
      "model": {
        "primary": "moonshot/kimi-k2.5",
        "fallbacks": [
          "qwen-portal/coder-model",
          "qwen-portal/vision-model",
          "openrouter/qwen/qwen3-max",
          "moonshot/kimi-k2.5",
          "deepseek/deepseek-chat"
        ]
      },
      "heartbeat": {
        "every": "120m",
        "activeHours": {
          "start": "08:00",
          "end": "02:00"
        },
        "model": "deepseek/deepseek-chat"
      }
    }
  }
}
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Heartbeat机制异常：模型切换、触发失败、输出格式变化

问题描述

在使用OpenClaw的heartbeat机制时，遇到了以下几个问题：

  1. Heartbeat有时无法触发 - 配置了120分钟间隔，但并非每次都按时触发
  2. 执行模型不一致 - 配置使用deepseek模型，但实际执行时有时会变成kimi
  3. 输出格式变化 - 之前的heartbeat输出是"先输出思考过程，再输出执行过程"，现在只有"执行过程"（一堆tool输出 + 最后的HEARTBEAT_OK）

配置信息

{
  "agents": {
    "defaults": {
      "model": {
        "primary": "moonshot/kimi-k2.5",
        "fallbacks": [
          "qwen-portal/coder-model",
          "qwen-portal/vision-model",
          "openrouter/qwen/qwen3-max",
          "moonshot/kimi-k2.5",
          "deepseek/deepseek-chat"
        ]
      },
      "heartbeat": {
        "every": "120m",
        "activeHours": {
          "start": "08:00",
          "end": "02:00"
        },
        "model": "deepseek/deepseek-chat"
      }
    }
  }
}

预期行为

  1. Heartbeat应该严格按照配置的120分钟间隔触发
  2. Heartbeat应该始终使用配置的deepseek/deepseek-chat模型执行
  3. Heartbeat输出应该包含思考过程（读取HEARTBEAT.md后的分析）和执行过程

实际行为

  1. Heartbeat触发不稳定，有时120分钟后没有触发
  2. 观察到的heartbeat执行模型有时是kimi（moonshot/kimi-k2.5），而不是配置的deepseek
  3. 输出格式变为只有工具调用输出和最后的HEARTBEAT_OK，缺少思考过程

环境信息

  • OpenClaw版本：2026.3.24（根据meta.lastTouchedVersion）
  • 操作系统：Linux (WSL2)
  • 使用渠道：Feishu

附加信息

我注意到agents.defaults.model.primary配置的是moonshot/kimi-k2.5，而heartbeat.model配置的是deepseek/deepseek-chat。是否heartbeat执行时会受到primary模型的影响？

另外，heartbeat输出格式的变化是最近才出现的，之前都是正常的两阶段输出（思考+执行）。

感谢开发团队的工作！OpenClaw是一个非常棒的项目。如果需要我们提供更多的日志信息或进行测试，请告诉我。

extent analysis

TL;DR

  • Verify the configuration priority between agents.defaults.model.primary and heartbeat.model to ensure the correct model is used for heartbeat executions.

Guidance

  • Review the OpenClaw documentation to understand how the primary model and fallbacks list interact with the heartbeat.model configuration.
  • Check if there are any version-specific changes in OpenClaw (version 2026.3.24) that could affect the heartbeat mechanism or model selection.
  • Test the heartbeat functionality with a simplified configuration, removing the fallbacks list to see if it stabilizes the model selection and output format.
  • Investigate recent changes in the environment or OpenClaw updates that could have introduced the output format change.

Example

  • No specific code example is provided due to the lack of direct code references in the issue.

Notes

  • The interaction between the primary model and heartbeat.model configurations is unclear and may be contributing to the inconsistent model selection.
  • The recent change in output format suggests a potential regression or configuration issue.

Recommendation

  • Apply workaround: Temporarily remove or simplify the fallbacks list to test if it resolves the model inconsistency and output format issues, as this may help isolate the cause of the problem.

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