diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
index 3f20623ead98f591dc3ae28337c3a01ad5af60cf..cafdc22bb4805c113774b7cd034f9602e047d76e 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp;
 
 import org.apache.iotdb.tsfile.read.ReadOnlyTsFile;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
index 5ad0063f64d5ba5cfdfda4055c5415f964b68c5c..1d5eb26b0c618ae03462c5955eda610565fd653f 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp;
 
 import org.apache.iotdb.tsfile.read.TsFileSequenceReader;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
index 2c0f9fad4799aaf78a484d32c898f4a1c1b13640..f95dded28c0a72a24c06b658af0e2eb39979aef0 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
@@ -1,7 +1,25 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.common;
 
 
-import  org.apache.iotdb.tsfile.qp.exception.BasicOperatorException;
+import org.apache.iotdb.tsfile.qp.exception.BasicOperatorException;
 
 /**
  * basic operators include < > >= <= !=.
@@ -13,14 +31,6 @@ public class BasicOperator extends FilterOperator {
     private String seriesPath;
     private String seriesValue;
 
-    public String getSeriesPath() {
-        return seriesPath;
-    }
-
-    public String getSeriesValue() {
-        return seriesValue;
-    }
-
     public BasicOperator(int tokenIntType, String path, String value) {
         super(tokenIntType);
         this.seriesPath = this.singlePath = path;
@@ -29,6 +39,14 @@ public class BasicOperator extends FilterOperator {
         this.isSingle = true;
     }
 
+    public String getSeriesPath() {
+        return seriesPath;
+    }
+
+    public String getSeriesValue() {
+        return seriesValue;
+    }
+
     public void setReversedTokenIntType() throws BasicOperatorException {
         int intType = SQLConstant.reverseWords.get(tokenIntType);
         setTokenIntType(intType);
@@ -44,7 +62,7 @@ public class BasicOperator extends FilterOperator {
     public BasicOperator clone() {
         BasicOperator ret;
         ret = new BasicOperator(this.tokenIntType, seriesPath, seriesValue);
-        ret.tokenSymbol=tokenSymbol;
+        ret.tokenSymbol = tokenSymbol;
         ret.isLeaf = isLeaf;
         ret.isSingle = isSingle;
         return ret;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
index 5f52e579859e7c4120175a69b67a1e469063a400..a16d81cfe4624ea4c40791acc7adcc31f1f31cad 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.common;
 
 import org.apache.iotdb.tsfile.utils.StringContainer;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
index 4775d55dc6829a4d0ead2217915aac0149843545..4253a304f694fc98d472647ae5cb8705b08b4ab4 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.common;
 
 /**
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
index 683e909382a6e9948532dbfceca48f9669682e86..4ee0e470e0fd3505e9513002269ca52919889828 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.common;
 
 import java.util.HashMap;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
index 8aaba1d4a9856aed7b176a4bbf8e30c7943a946b..595a55785898976fe3784582c9dcaaa73718ecd3 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.common;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
index 36cd2a89019a06d46ff00a444005dce66c965650..055e2656c93b9af465f92f7e6d0b6b29771a17e2 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.common;
 
 import java.util.ArrayList;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
index 7e54f5d984ccbfcc1c250ec66f74a2343ec66823..e5ba02fa8a8ecf2bf629a17b6f3857eb62dfff7c 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.exception;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
index b3e252cd2dafa94f3a5e9ed8c8396b29ec5f36a8..dbe2091dae67bd53f4fab42a49d9aa7eb5f123cf 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.exception;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
index 4e1faa99cc04bd164123279a64dc379dccc3e2c4..8a43d5de93c2ba4cb107e034c50c1a19f1c6885c 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.exception;
 
 /**
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
index d0b4627b8518c284e4a235c851a3bfa518ed74b2..79c0b6512bfb8c498777e88ae70dc7a07ba79ba8 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.exception;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
index 707d64adc8ddf9fd8558020e5c2ecb4b137d5f08..08a8559d838f1d2f7d9103630bf351bd0f18f188 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.exception;
 
 public class QueryOperatorException extends LogicalOptimizeException {
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
index 0490b720be42e0db017fc33aaff2cfbb0c723c90..89d4c75a6b019c932c5903b523b7a0bdde0999c3 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.exception;
 
 /**
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
index 0b13ce1b760848d9b6716b23dbdbafd1ba20f138..4196b6d76e20a0d3ed79286a17dab0e111737ad1 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.exception;
 
 
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
index abb93494c96a7096a76c34b5d4ab7ba9c8bffc05..a270cd501a6d2b9bfb1929a6d9d3b207e3c66660 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.optimizer;
 
 import org.apache.iotdb.tsfile.qp.common.FilterOperator;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
index 72598d26c7985da005d022939a170a2d19140986..74f6689fd4360c3cd43067cbd84ffc1d3f7bd173 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.optimizer;
 
 import org.apache.iotdb.tsfile.qp.common.FilterOperator;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
index 1a677690634887a4b06de31f7ad1feb793a86a03..641f6ad392ed0460ea97eb1fec1624949f6505a5 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.optimizer;
 
 import org.apache.iotdb.tsfile.qp.common.FilterOperator;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
index c83af36921c4b80c2cc3b5b365088a4fa945de63..68b64e496efdd99d01c6a324092ea87b9e73cd68 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.optimizer;
 
 import org.apache.iotdb.tsfile.qp.common.*;
diff --git a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
index 51b19ee2474a9521be17d58db8f97efbf8a05898..f76c06a5919cb5bcea22777dcd4210607c1b0cae 100755
--- a/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
+++ b/spark-tsfile/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.iotdb.tsfile.qp.optimizer;