Method showSubCommandHelp

fadian/fadian.ts:331–346

(
    subCmd: string,
    msg: Api.Message
  )

      clear: `📖 <b>清理缓存命令帮助</b>\n\n<code>${mainPrefix}fadian clear</code> - 清理本地缓存并重新下载配置文件`,
    };

    const helpText = helpTexts[subCmd] || help_text;
    await msg.edit({ text: helpText, parseMode: "html" });
  }

  private async clearCache(msg: Api.Message): Promise<void> {
    try {
      await msg.edit({ text: "🔄 清理缓存中...", parseMode: "html" });

      // 清理本地缓存目录
      if (fs.existsSync(ASSET_PATH)) {
        fs.rmSync(ASSET_PATH, { recursive: true, force: true });
      }
      // 清理内存缓存
      configCache = {};
      lastUpdateCheck = 0;

      await msg.edit({
        text: "🧹 已清理缓存，下次使用时将重新下载配置",