fix(graph): can not get the last one data when type is GAUGE
fix(graph): can not get the last one data when type is GAUGE

taomaree/falcon-plus,jojohappy/falcon-plus,taomaree/falcon-plus,open-falcon/falcon-plus,jojohappy/falcon-plus,open-falcon/falcon-plus,open-falcon/falcon-plus,jojohappy/falcon-plus,jojohappy/falcon-plus,open-falcon/falcon-plus,taomaree/falcon-plus,jojohappy/falcon-plus,jojohappy/falcon-plus,open-falcon/falcon-plus,taomaree/falcon-plus,taomaree/falcon-plus,taomaree/falcon-plus