Metrics statistics are incorrect.

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

### Ⅰ. Issue Description

Metrics statistics are incorrect.


### Ⅱ. Describe what happened

If there is an exception, please attach the exception trace:

```
Just paste your stack trace here!
```

### Ⅲ. Describe what you expected to happen

### Ⅳ. How to reproduce it (as minimally and precisely as possible)

1. xxx
2. xxx
3. xxx

### Ⅴ. Anything else we need to know?

### Ⅵ. Environment:

- JDK version :
- Seata version:
- OS :
- Others:

The report provides only a screenshot and the statement that metrics statistics are incorrect; it names no files, tests, expected values, or reproducible steps. Start by locating Seata's metrics implementation and determine which statistics differ from the screenshot, then document the expected behavior and verify the corrected statistics.

Written by the indexing model from the issue text.