diff --git a/giraph/Examples/src/main/java/com/ikroal/shortestpath/ShortestPathComputation.java b/giraph/Examples/src/main/java/com/ikroal/shortestpath/ShortestPathComputation.java
index 854e5c8..accd1f6 100644
--- a/giraph/Examples/src/main/java/com/ikroal/shortestpath/ShortestPathComputation.java
+++ b/giraph/Examples/src/main/java/com/ikroal/shortestpath/ShortestPathComputation.java
@@ -10,7 +10,7 @@
 import java.io.IOException;
 
 /**
- * 最短路径的计算类
+ * 最短路径的计算类。
  * @author ikroal
  * @date 2019-09-07
  * @time: 10:09