One instance crash will make a few data repeated to read in multi WQS IDC envirement

### WQS Env

```
version:   0.1.0
commit:
```

One WQS instance crash in  multi WQS IDC envirement will make a few data repeated to read .
And when the crash one reboot , also make some data which have be readed readful .
The number of repeated data  positively correlated with the threads of reading clients
