minor fix based on feedback
minor fix based on feedback

taskgraph/taskgraph,go-distributed/meritop,BaiGang/taskgraph,kod3r/taskgraph,taskgraph/taskgraph,BaiGang/taskgraph,kod3r/taskgraph,5kg/taskgraph,dzch/taskgraph,fengjingchao/taskgraph,dzch/taskgraph,plutoshe/taskgraph,5kg/taskgraph,plutoshe/mapreduceOfTaskgraph,go-distributed/meritop,fengjingchao/taskgraph,plutoshe/mapreduceOfTaskgraph,plutoshe/taskgraph