TXC模式放最后的时候回滚失败

- [ ] I have searched the [issues](https://github.com/codingapi/tx-lcn/issues) of this repository and believe that this is not a duplicate.

### 1. Bug Description
当事务为三层的时候，如：A.tx1() -->B.tx()-->A.tx2();
这种调用顺序的饿时候，A.tx2()用的TXC事务控制。B.tx()调用完 A.tx2() 最后制造一个异常,
A.tx2()的事务不回滚，其他的会回滚。
### 2. Environment:
- JDK version:
- OS:
- TX-LCN version:
- Others:

### 3. Exception Stacktrace

```
Paste your Exception Stacktrace here!
```

### 4. Tour Idea

Start by reproducing the reported three-level call sequence A.tx1() → B.tx() → A.tx2() with TXC transaction control, then inspect the transaction-coordination entry points involved in the final exception. Done means A.tx2() rolls back together with the other transactions; the issue provides no file, test, environment, or stack trace to guide further investigation.

Written by the indexing model from the issue text.