Add adapter for echo framework#95

Merged

sczyh30 merged 4 commits intoalibaba:masterfrom

zhangmingke:master

Apr 3, 2020

Commits on Mar 18, 2020

Commits on Mar 19, 2020

Add some description and default resp of echo adapter
zhangmingke
committed

Commits on Mar 20, 2020

Merge branch 'master' into master
zhangmingke
authored