diff --git a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
index e6980037e..90114dc82 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
@@ -3246,7 +3246,7 @@ public class FileUtil extends PathUtil {
 
 	/**
 	 * 可读的文件大小<br>
-	 * 参考 http://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc
+	 * 参考 <a href="http://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc">http://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc</a>
 	 *
 	 * @param size Long类型大小
 	 * @return 大小