diff --git a/client/pom.xml b/client/pom.xml
index 3193e6729..865bdc297 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -25,6 +25,11 @@
             <artifactId>commons-cli</artifactId>
             <version>1.4</version>
         </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.11.0</version>
+        </dependency>
         <dependency>
             <groupId>org.jline</groupId>
             <artifactId>jline</artifactId>
diff --git a/client/src/main/java/cn/edu/tsinghua/iginx/client/CurveMatchClient.java b/client/src/main/java/cn/edu/tsinghua/iginx/client/CurveMatchClient.java
new file mode 100644
index 000000000..9b80a2808
--- /dev/null
+++ b/client/src/main/java/cn/edu/tsinghua/iginx/client/CurveMatchClient.java
@@ -0,0 +1,89 @@
+/*
+ * 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 cn.edu.tsinghua.iginx.client;
+
+import cn.edu.tsinghua.iginx.exceptions.ExecutionException;
+import cn.edu.tsinghua.iginx.exceptions.SessionException;
+import cn.edu.tsinghua.iginx.session.CurveMatchResult;
+import cn.edu.tsinghua.iginx.session.Session;
+import cn.edu.tsinghua.iginx.session.SessionExecuteSqlResult;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class CurveMatchClient {
+
+    private static Session session;
+
+    public static void main(String[] args) throws SessionException, ExecutionException {
+        session = new Session("127.0.0.1", 6888, "root", "root");
+        // 打开 Session
+        session.openSession();
+
+        // 曲线匹配
+        curveMatch(args);
+
+        // 关闭 Session
+        session.closeSession();
+    }
+
+    private static void curveMatch(String[] args) throws ExecutionException, SessionException {
+        if (args.length != 5) {
+            System.out.println("参数个数必须为5！");
+            return;
+        }
+
+        List<String> paths = Arrays.stream(args[0].split(";")).collect(Collectors.toList());
+
+        long startTime = Long.parseLong(args[1]);
+        long endTime = Long.parseLong(args[2]);
+
+        List<Double> queryList = Arrays.stream(args[3].split(",")).map(Double::parseDouble).collect(Collectors.toList());
+
+        if (queryList.size() >= 256) {
+            System.out.println("匹配长度不能超过256！");
+            return;
+        }
+
+        long curveUnit = Long.parseLong(args[4]);
+
+        CurveMatchResult result = session.curveMatch(paths, startTime, endTime, queryList, curveUnit);
+
+        long matchedTimestamp = result.getMatchedTimestamp();
+        String matchedPath = result.getMatchedPath();
+
+        String[] parts = matchedPath.split("\\.");
+        StringBuilder sql = new StringBuilder();
+        sql.append("select first_value(");
+        sql.append(parts[parts.length - 1]);
+        sql.append(") from ");
+        sql.append(matchedPath, 0, matchedPath.lastIndexOf('.'));
+        sql.append(" group (");
+        sql.append(matchedTimestamp);
+        sql.append(", ");
+        sql.append(matchedTimestamp + curveUnit * queryList.size());
+        sql.append(") by ");
+        sql.append(curveUnit);
+        sql.append("ms");
+
+        SessionExecuteSqlResult dataSet = session.executeSql(sql.toString());
+        dataSet.print(false, "ms");
+    }
+}
diff --git a/client/src/main/java/cn/edu/tsinghua/iginx/client/InsertSingleFileClient.java b/client/src/main/java/cn/edu/tsinghua/iginx/client/InsertSingleFileClient.java
new file mode 100644
index 000000000..e0e98a3ae
--- /dev/null
+++ b/client/src/main/java/cn/edu/tsinghua/iginx/client/InsertSingleFileClient.java
@@ -0,0 +1,258 @@
+/*
+ * 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 cn.edu.tsinghua.iginx.client;
+
+import cn.edu.tsinghua.iginx.exceptions.IginxException;
+import cn.edu.tsinghua.iginx.exceptions.SessionException;
+import cn.edu.tsinghua.iginx.session.Session;
+import cn.edu.tsinghua.iginx.thrift.DataType;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.LineIterator;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static java.lang.Double.parseDouble;
+
+public class InsertSingleFileClient {
+
+    private static Session session;
+
+    private static final String separator = "\\s+";
+
+    private static final ThreadLocal<SimpleDateFormat> format = new ThreadLocal<>();
+
+    // 存储组
+    private static String storageGroupName;
+    // 设备
+    private static String deviceId;
+
+    // 飞机型号
+    private static String planeType;
+    // 架机号
+    private static String planeId;
+    // 任务单号/任务编号
+    private static String taskId;
+    // 试飞地点
+    private static String place;
+    // 试飞日期
+    private static String date;
+    // 试验类型
+    private static String flightType;
+
+    // 采样率
+    private static int frequency;
+
+    // 传感器
+    private static List<String> measurements;
+
+    public static void main(String[] args) throws SessionException {
+        session = new Session("127.0.0.1", 6888, "root", "root");
+        // 打开 Session
+        session.openSession();
+
+        // 写入单个文件
+        insertSingleFile(args);
+
+        // 关闭 Session
+        session.closeSession();
+    }
+
+    private static void insertSingleFile(String[] args) {
+        if (args.length != 1) {
+            System.out.println("参数个数必须为1！");
+            return;
+        }
+
+        format.set(new SimpleDateFormat("yyyyMMddHH:mm:ss:SSS"));
+
+        String filename = args[0];
+        extractInfo(filename);
+        try {
+            LineIterator it = FileUtils.lineIterator(new File(filename));
+
+            if(!it.hasNext()){
+                System.out.println(filename + "是空文件！");
+                it.close();
+                return;
+            }
+
+            String line = it.nextLine();
+            extractMeasurements(line);
+            int lineNum = 1;
+
+            int batchSize = Math.max(100, Math.min(10000, 512 * 1024 / measurements.size()));
+
+            int cnt = 0;
+            int singleCnt = 0;
+            long[] timestamps = new long[batchSize];
+            Object[] valuesList = new Object[batchSize];
+
+            System.out.println("文件 " + filename + " 参数数量 " + measurements.size() + " 批处理大小 " + batchSize);
+
+            while (it.hasNext()) {
+                line = it.nextLine();
+                lineNum++;
+                String[] contents = line.trim().split(separator);
+                long timestamp;
+                if (contents[0].length() == 12) {
+                    timestamp = format.get().parse(date + contents[0]).getTime() * 1000;
+                } else if (contents[0].length() == 15) {
+                    timestamp = format.get().parse(date + contents[0].substring(0, 12)).getTime() * 1000 + Long.parseLong(contents[0].substring(12));
+                } else {
+                    //logger.error("line {} 有非法的时间格式：{}！", lineNum, date + contents[0]);
+                    continue;
+                }
+
+                //now check whether we need to read another line
+                while(it.hasNext() && contents.length < measurements.size() + 1){
+//					logger.error("Incomplete line: {}", line);
+//					logger.error("Incomplete line with {} elements at line {}", contents.length, lineNum);
+                    line = it.nextLine();
+                    lineNum++;
+                    String[] tempContents = line.trim().split(separator);
+                    contents = Arrays.copyOf( contents, contents.length+tempContents.length );
+                    for(int i=0;i<tempContents.length;i++)
+                        contents[i+contents.length-tempContents.length] = tempContents[i];
+                }
+                //skip these illegal lines
+                if(contents.length > measurements.size() + 1) {
+//					logger.error("Skipping illegal line with {} elements: {}", contents.length, line);
+//					logger.error("{} : =====================", lineNum);
+//					logger.error("Skipping illegal line with {} elements at line {}", contents.length, lineNum);
+                    continue;
+                }
+
+                timestamps[singleCnt] = timestamp;
+                if (measurements.size() != contents.length - 1) {
+                    contents = line.trim().split("\t");
+                    if (measurements.size() != contents.length - 1) {
+//						logger.error("文件{}存在某行数据点数目({})与参数数目({})不符。", filename, contents.length - 1, measurements.size());
+                        continue;
+                    }
+                }
+                Object[] tmpValues = new Object[measurements.size()];
+                for (int i = 1; i < contents.length; i++) {
+                    tmpValues[i - 1] = (isValueValid(contents[i]) ? parseDouble(contents[i]) : 0);
+                }
+                valuesList[singleCnt] = tmpValues;
+
+                cnt++;
+                singleCnt++;
+                if (singleCnt % batchSize == 0) {
+                    insertBatch(singleCnt, deviceId, measurements, timestamps, valuesList);
+                    singleCnt = 0;
+                }
+
+                if (cnt % 1_000_000 == 0) {
+                    System.out.println("文件 " + filename + " 已加载 " + cnt + " 行");
+                }
+            }
+            if (singleCnt != 0) {
+                insertBatch(singleCnt, deviceId, measurements, timestamps, valuesList);
+            }
+            System.out.println("文件 " + filename + " 内容 " + lineNum + " 行 " + cnt + " 共加载 {} 行。");
+            it.close();
+        } catch (IOException | ParseException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+
+    private static List<String> extractMeasurements(String line) {
+        String myline = fixIllegalParameterChars(line);
+        //process the list of measurements
+        String[] tempMeasurements = myline.trim().split(separator);
+        return new ArrayList<>(Arrays.asList(tempMeasurements).subList(1, tempMeasurements.length));
+    }
+
+    private static String fixIllegalParameterChars(String line){
+        String ret = line;
+        ret = ret.replace("<", "小");
+        ret = ret.replace(">", "大");
+        ret = ret.replace("=", "等");
+        ret = ret.replace(".", "点");
+        ret = ret.replace("-", "一");
+        return ret;
+    }
+
+    private static void extractInfo(String filename) {
+        String[] parts = filename.split("-");
+        planeType = parts[1];
+        planeId = parts[2];
+        place = parts[3];
+        date = "20" + parts[4];
+        flightType = parts[5]+"-"+parts[6];
+        flightType = flightType.replace('-', '一');
+
+        String taskIDPostfix = "";
+        int pos4TaskId = parts.length - 2;
+        try{
+            frequency = Integer.parseInt(parts[parts.length - 1].substring(0, parts[parts.length - 1].indexOf(".")));
+        }catch(NumberFormatException e){
+            frequency = Integer.parseInt(parts[parts.length - 2]);
+            taskIDPostfix = parts[parts.length - 1].substring(0, parts[parts.length - 1].indexOf("."));
+            pos4TaskId = parts.length - 3;
+        }
+
+        //the rest are in the taskID
+        taskId="";
+        for(int i=7;i<=pos4TaskId;i++)
+            taskId = taskId+parts[i]+"-";
+        taskId = taskIDPostfix.length()==0?taskId.substring( 0, taskId.length()-1 ):taskId+taskIDPostfix;
+        //IoTDB does not support path with these characters
+        taskId = taskId.replace('-', '一');
+        taskId = taskId.replace('&', '二');
+
+        storageGroupName = "root." + planeType + "." + planeId + "." + taskId;
+        deviceId = storageGroupName + "." + place + "." + date + "." + flightType;
+    }
+
+    private static boolean isValueValid(String value) {
+        try {
+            Double.parseDouble(value);
+        } catch (NumberFormatException e) {
+            return false;
+        }
+        return true;
+    }
+
+    private static void insertBatch(int size, String deviceId, List<String> measurements, long[] timestamps, Object[] values) {
+        List<String> pathList = measurements.stream().map(str-> deviceId+"." +str).collect( Collectors.toList() );
+
+        List<DataType> datatypeList = new ArrayList<>();
+        for (int i = 0; i < measurements.size(); i++) {
+            datatypeList.add(DataType.DOUBLE);
+        }
+
+        timestamps = Arrays.copyOfRange(timestamps, 0, size);
+        values = Arrays.copyOfRange(values, 0, size);
+
+        try {
+            session.insertRowRecords(pathList, timestamps, values, datatypeList, null);
+        } catch (IginxException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
diff --git a/core/src/main/java/cn/edu/tsinghua/iginx/transform/data/LogWriter.java b/core/src/main/java/cn/edu/tsinghua/iginx/transform/data/LogWriter.java
index b3b626280..290a947e9 100644
--- a/core/src/main/java/cn/edu/tsinghua/iginx/transform/data/LogWriter.java
+++ b/core/src/main/java/cn/edu/tsinghua/iginx/transform/data/LogWriter.java
@@ -14,11 +14,11 @@ public class LogWriter extends ExportWriter {
     @Override
     public void write(BatchData batchData) {
         Header header = batchData.getHeader();
-        logger.info(header.toString());
+//        logger.info(header.toString());
 
         List<Row> rowList = batchData.getRowList();
-        rowList.forEach(row -> {
-            logger.info(row.toCSVTypeString());
-        });
+//        rowList.forEach(row -> {
+//            logger.info(row.toCSVTypeString());
+//        });
     }
 }