[BUG] Router has been added to new api, need to test the user case

[Alanxtl]

✅ 验证清单

• [x] 🔍 我已经搜索过 现有 Issues，确信这不是重复问题

🚀 Go 版本

1.24

📦 Dubbo-go 版本

3.3.1

💾 操作系统

🪟 Windows

📝 Bug 描述

the bug can refer to https://github.com/apache/dubbo-go-samples/issues/772 this bug is caused by router api was not exposed

Currently, router api has been exposed, need to recheck it