diff --git a/hutool-core/src/test/java/cn/hutool/core/convert/ConvertTest.java b/hutool-core/src/test/java/cn/hutool/core/convert/ConvertTest.java
index 0157610e2..022e0ef68 100644
--- a/hutool-core/src/test/java/cn/hutool/core/convert/ConvertTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/convert/ConvertTest.java
@@ -304,4 +304,10 @@ public class ConvertTest {
 		// 默认转换失败报错而不是返回null
 		Convert.convert(Date.class, "aaaa");
 	}
+
+	@Test
+	public void toDateTest2(){
+		final Date date = Convert.toDate("2021-01");
+		Assert.assertNull(date);
+	}
 }