• I have searched the issues of this repository and believe that this is not a duplicate.
• I have checked the FAQ of this repository and believe that this is not a duplicate.

Environment

• Dubbo version: 2.6.3
• Operating System version: all
• Java version: all

Step to reproduce this issue

1. To setting @Reference#parameters()

Expected Result

ReferenceBean contains parameters Map

Actual Result

ReferenceBean does not contain parameters Map