diff --git a/src/main/java/cn/whaifree/leetCode/easy/LeetCode704.java b/src/main/java/cn/whaifree/leetCode/easy/LeetCode704.java
index db7d5b6..1ee15b7 100644
--- a/src/main/java/cn/whaifree/leetCode/easy/LeetCode704.java
+++ b/src/main/java/cn/whaifree/leetCode/easy/LeetCode704.java
@@ -34,7 +34,7 @@ import org.junit.Test;
  69.x 的平方根(opens new window)
  367.有效的完全平方数(opens new window)
  #其他语言版本
- 
+
  */
 public class LeetCode704 {