add ASF header License (#2084)
diff --git a/linkis-public-enhancements/linkis-publicservice/linkis-udf/linkis-udf-common/src/main/java/org/apache/linkis/udf/entity/UDFVersion.java b/linkis-public-enhancements/linkis-publicservice/linkis-udf/linkis-udf-common/src/main/java/org/apache/linkis/udf/entity/UDFVersion.java
index bc15183..bee49ef 100644
--- a/linkis-public-enhancements/linkis-publicservice/linkis-udf/linkis-udf-common/src/main/java/org/apache/linkis/udf/entity/UDFVersion.java
+++ b/linkis-public-enhancements/linkis-publicservice/linkis-udf/linkis-udf-common/src/main/java/org/apache/linkis/udf/entity/UDFVersion.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package org.apache.linkis.udf.entity;
import java.util.Date;