diff --git a/hutool-core/src/test/java/cn/hutool/core/io/FileUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/io/FileUtilTest.java
index 2571ca59d..cc3256863 100644
--- a/hutool-core/src/test/java/cn/hutool/core/io/FileUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/io/FileUtilTest.java
@@ -446,6 +446,10 @@ public class FileUtilTest {
 		Assert.assertEquals("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", mimeType);
 		mimeType = FileUtil.getMimeType("test.pptx");
 		Assert.assertEquals("application/vnd.openxmlformats-officedocument.presentationml.presentation", mimeType);
+
+		// pr#2617@Github
+		mimeType = FileUtil.getMimeType("test.wgt");
+		Assert.assertEquals("application/widget", mimeType);
 	}
 
 	@Test