调整格式

src/main/scala/com/aliyun/odps/spark/examples/myUtils/DataUtils.scala

@@ -171,7 +171,7 @@ object DataUtils {
             if (bucketMap.contains(name)) {
               val (bucketsNum, buckets) = bucketMap(name)
               val scoreNew = 1.0 / bucketsNum * (ExtractorUtils.findInsertPosition(buckets, score).toDouble + 1.0)
-              name + ":" + scoreNew.toString
+              String.format("%s:%.6f", name, scoreNew)
             } else {
               name + ":" + score.toString
             }