The RPC server response error data on high concurrent requests.

[qizf7]

Hi everyone,
Now we use multichain 2.0.3 version. we fund that, when we call rpc method like listunspent or getaddressbalance with 10 concurrent requests per time, the server return error data occasionally.

For example, we use 10 different address call listunspent rpc method at the same time, sometimes, we receive unspent list with item's address property that do not match the address we used call the rpc method.

Could you help us resolve this problem.

Thank you very much.