Refine the structure of this project.

code/rest/footprint_dao.go

@@ -1,8 +1,8 @@
 package rest
 
 import (
+	"github.com/eyebluecn/tank/code/tool/builder"
 	"github.com/jinzhu/gorm"
-	"tank/code/tool/builder"
 
 	"github.com/nu7hatch/gouuid"
 	"time"
@@ -119,7 +119,6 @@ func (this *FootprintDao) AvgCostBetweenTime(startTime time.Time, endTime time.T
 	return int64(cost)
 }
 
-
 //执行清理操作
 func (this *FootprintDao) Cleanup() {
 	this.logger.Info("[FootprintDao]执行清理：清除数据库中所有Footprint记录。")