diff --git a/hutool-core/src/test/java/cn/hutool/core/util/StrUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/StrUtilTest.java
index 558ae6b24..d2bbce4e2 100755
--- a/hutool-core/src/test/java/cn/hutool/core/util/StrUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/StrUtilTest.java
@@ -670,6 +670,13 @@ public class StrUtilTest {
 		Assert.assertEquals(str, ret);
 	}
 
+	@Test
+	public void truncateUtf8Test2() {
+		final String str = "这是This一";
+		final String ret = StrUtil.truncateUtf8(str, 12);
+		Assert.assertEquals("这是Thi...", ret);
+	}
+
 	@Test
 	public void truncateByByteLengthTest() {
 		final String str = "This is English";