v2.2.4 GPT-4 API、优化Tokens处理

What's Changed

• [Feat] 支持GPT-4 API
• [Fix] 修复usage命令不走代理的问题 by @systemtang in #282
• [Perf] Tokens相关处理逻辑优化 by @RockChinQ in #300

New Contributors

• @systemtang made their first contribution in #282

Full Changelog: v2.2.3...v2.2.4