Merge pull request 'fix deployinstancelist bugs' (#284) from tzwang/pcm-coordinator:master into master

Former-commit-id: 600999adbc

internal/logic/inference/deployinstancelistlogic.go

@@ -38,6 +38,10 @@ func (l *DeployInstanceListLogic) DeployInstanceList(req *types.DeployInstanceLi
 		return nil, tx.Error
 	}
 
+	if len(list) == 0 {
+		return
+	}
+
 	go updater.UpdateDeployInstanceStatusBatch(l.svcCtx, list)
 
 	ins := list[0]