diff --git a/hutool-core/src/test/java/cn/hutool/core/util/IssueI9IDAGTest.java b/hutool-core/src/test/java/cn/hutool/core/util/IssueI9IDAGTest.java
new file mode 100644
index 000000000..d9d282102
--- /dev/null
+++ b/hutool-core/src/test/java/cn/hutool/core/util/IssueI9IDAGTest.java
@@ -0,0 +1,18 @@
+package cn.hutool.core.util;
+
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.lang.Console;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.io.File;
+import java.util.List;
+
+public class IssueI9IDAGTest {
+	@Test
+	@Ignore
+	public void loopFilesTest() {
+		final List<File> files = FileUtil.loopFiles("d:/m2_repo");
+		files.forEach(Console::log);
+	}
+}