diff --git a/hutool-core/src/main/java/cn/hutool/core/io/SerializeUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/SerializeUtil.java
index 1cf940bde..9d80f0961 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/SerializeUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/SerializeUtil.java
@@ -44,7 +44,7 @@ public class SerializeUtil {
 			return null;
 		}
 		final FastByteArrayOutputStream byteOut = new FastByteArrayOutputStream();
-		IoUtil.writeObjects(byteOut, false, (Serializable) obj);
+		IoUtil.writeObjects(byteOut, false, obj);
 		return byteOut.toByteArray();
 	}
 
diff --git a/hutool-db/src/test/java/cn/hutool/db/CRUDTest.java b/hutool-db/src/test/java/cn/hutool/db/CRUDTest.java
index 2005ca077..91847cf65 100644
--- a/hutool-db/src/test/java/cn/hutool/db/CRUDTest.java
+++ b/hutool-db/src/test/java/cn/hutool/db/CRUDTest.java
@@ -99,6 +99,13 @@ public class CRUDTest {
 		Assert.assertEquals(2, results.size());
 	}
 
+	@Test
+	public void findInTest4() {
+		final List<Entity> results = db.findAll(Entity.of("user")
+				.set("id", new String[]{"1", "2", "3"}));
+		Assert.assertEquals(2, results.size());
+	}
+
 	@Test
 	public void findAllTest() {
 		final List<Entity> results = db.findAll("user");