• [ √] 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: 2.7.8
• Operating System version: macos 10.14.6
• Java version: oracle 1.8.0_211

Steps to reproduce this issue

1. method info
   org.apache.dubbo.rpc.cluster.router.tag.TagRouter#isForceUseTag
2. a boolean value is boxed while a unboxed value is expected

Expected Result

none box for boolean

Actual Result

Redundant box for boolean

others

Is the method graceful enough? org.apache.dubbo.rpc.cluster.router.tag.TagRouter#filterInvoker