change name set_custom_fields to set_custom_fields_hash
Merge pull request #2 from ins429/CLOUDSRV-2297

change name set_custom_fields to set_custom_fields_hash
fix CLOUDSRV-4204
Merge pull request #5 from zhangshsy/local-2.2.1

submit code change for CLOUDSRV-4204 to branch 2.2.1