diff --git a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/DataScanner.java b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/DataScanner.java
index 987abd3..d1a84b7 100644
--- a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/DataScanner.java
+++ b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/DataScanner.java
@@ -171,6 +171,6 @@ public class DataScanner {
                 .sinkTo(FlinkHelper.createFileSink(taskContext))
                 .setParallelism(10)
                 .name("Output results");
-        environment.execute();
+        environment.execute(StrUtil.format("Search {}", key));
     }
 }
diff --git a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/entity/RecordView.java b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/entity/RecordView.java
index d5553fd..82e3bad 100644
--- a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/entity/RecordView.java
+++ b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/entity/RecordView.java
@@ -82,6 +82,6 @@ public class RecordView implements Serializable, Comparable<RecordView> {
     }
 
     public enum Operation {
-        DELETE, UPSERT, ROLLBACK, RESULT, SOURCE
+        DELETE, UPSERT, ROLLBACK, RESULT, SOURCE, QUEUE, TARGET
     }
 }
diff --git a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSource.java b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSource.java
index b228ccd..394b0ac 100644
--- a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSource.java
+++ b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSource.java
@@ -9,13 +9,15 @@ import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.List;
 import java.util.Locale;
+import java.util.concurrent.TimeUnit;
 import org.apache.flink.api.common.typeinfo.TypeInformation;
 import org.apache.flink.api.connector.source.*;
 import org.apache.flink.api.java.typeutils.ResultTypeQueryable;
 import org.apache.flink.core.io.SimpleVersionedSerializer;
 import org.apache.pulsar.client.api.*;
+import org.eclipse.collections.api.factory.Lists;
+import org.eclipse.collections.api.list.MutableList;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -25,7 +27,7 @@ import org.slf4j.LoggerFactory;
  */
 public class ReadPulsarSource implements Source<RecordView, ReadPulsarSplit, Collection<ReadPulsarSplit>>, ResultTypeQueryable<RecordView>, Serializable {
     private static final Logger logger = LoggerFactory.getLogger(ReadPulsarSource.class);
-    private static final Long TASK_GAP = 6 * 60 * 60 * 1000L;
+    private static final Long TASK_GAP = TimeUnit.MINUTES.toMillis(30);
     private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS")
             .withLocale(Locale.CHINA)
             .withZone(ZoneId.systemDefault());
@@ -47,9 +49,7 @@ public class ReadPulsarSource implements Source<RecordView, ReadPulsarSplit, Col
                 Message<byte[]> message = consumer.receive();
                 long startTimestamp = message.getPublishTime();
                 long endTimestamp = Instant.now().toEpochMilli();
-                long gap = Math.max((endTimestamp - startTimestamp) / (parallelism - 1), 1000 * 60 * 60);
-                logger.info("Gap: {}, Parallelism: {}", gap, parallelism);
-                List<ReadPulsarSplit> tasks = new ArrayList<>();
+                MutableList<ReadPulsarSplit> tasks = Lists.mutable.empty();
                 while (startTimestamp < endTimestamp) {
                     tasks.add(new ReadPulsarSplit(
                             taskContext.getTaskId(),
@@ -57,14 +57,15 @@ public class ReadPulsarSource implements Source<RecordView, ReadPulsarSplit, Col
                             pulsarTopic,
                             latestMessageId.toString(),
                             startTimestamp,
-                            startTimestamp + gap
+                            Math.min(endTimestamp, startTimestamp + TASK_GAP)
                     ));
-                    startTimestamp += gap;
+                    startTimestamp += TASK_GAP;
                 }
-                splits = tasks;
-                for (ReadPulsarSplit split : splits) {
+                logger.info("Gap: {}, Parallelism: {}, Splits: {}", TASK_GAP, parallelism, tasks.size());
+                for (ReadPulsarSplit split : tasks) {
                     logger.info("Read split: {} -> {}", covertTimestamp(split.getStartTimestamp()), covertTimestamp(split.getEndTimestamp()));
                 }
+                splits = new ArrayList<>(tasks.shuffleThis());
             }
         }
     }
diff --git a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSourceEnumerator.java b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSourceEnumerator.java
index 63b958f..5360ca4 100644
--- a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSourceEnumerator.java
+++ b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSourceEnumerator.java
@@ -35,10 +35,10 @@ public class ReadPulsarSourceEnumerator implements SplitEnumerator<ReadPulsarSpl
     public void handleSplitRequest(int subtaskId, @Nullable String requesterHostname) {
         final ReadPulsarSplit split = readQueue.poll();
         if (ObjectUtil.isNotNull(split)) {
-            logger.info("Assign split for {}, split: {}", subtaskId, split);
+            logger.info("t{} Assign split for {}, Queue rest: {}", subtaskId, subtaskId, readQueue.size());
             context.assignSplit(split, subtaskId);
         } else {
-            logger.info("No more split for {}", subtaskId);
+            logger.info("t{} No more split for {}", subtaskId, subtaskId);
             context.signalNoMoreSplits(subtaskId);
         }
     }
diff --git a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSourceReader.java b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSourceReader.java
index 77d304b..7511c10 100644
--- a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSourceReader.java
+++ b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/functions/pulsar/ReadPulsarSourceReader.java
@@ -14,6 +14,7 @@ import java.util.Locale;
 import java.util.Queue;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 import org.apache.flink.api.connector.source.ReaderOutput;
 import org.apache.flink.api.connector.source.SourceReader;
 import org.apache.flink.api.connector.source.SourceReaderContext;
@@ -56,7 +57,7 @@ public class ReadPulsarSourceReader implements SourceReader<RecordView, ReadPuls
 
     private RecordView parsePulsarMessage(Message<byte[]> message) {
         return new RecordView(
-                RecordView.Operation.SOURCE,
+                RecordView.Operation.QUEUE,
                 new String(message.getValue()),
                 FORMATTER.format(Instant.ofEpochMilli(message.getPublishTime())),
                 message.getMessageId().toString()
@@ -66,7 +67,7 @@ public class ReadPulsarSourceReader implements SourceReader<RecordView, ReadPuls
     @Override
     public InputStatus pollNext(ReaderOutput<RecordView> output) throws Exception {
         if (ObjectUtil.isNotNull(currentSplit)) {
-            logger.info("Read split: {}", currentSplit);
+            logger.info("t{} Read split: {}", readerContext.getIndexOfSubtask(), currentSplit.getStartTimestamp());
             try (PulsarClient client = PulsarClient.builder()
                     .serviceUrl(currentSplit.getPulsarUrl())
                     .build()) {
@@ -83,7 +84,13 @@ public class ReadPulsarSourceReader implements SourceReader<RecordView, ReadPuls
                         .subscriptionInitialPosition(SubscriptionInitialPosition.Earliest)
                         .subscriptionMode(SubscriptionMode.NonDurable)
                         .subscriptionType(SubscriptionType.Exclusive)
-                        .subscriptionName(StrUtil.format("Task_Reader_{}_{}", currentSplit.getTaskId(), readerContext.getIndexOfSubtask()))
+                        .subscriptionName(StrUtil.format(
+                                "Task_Reader_{}_{}_{}_{}",
+                                currentSplit.getTaskId(),
+                                readerContext.getIndexOfSubtask(),
+                                currentSplit.getStartTimestamp(),
+                                currentSplit.getEndTimestamp()
+                        ))
                         .startMessageIdInclusive()
                         .subscribe()) {
                     consumer.seek(currentSplit.getStartTimestamp());
@@ -92,24 +99,29 @@ public class ReadPulsarSourceReader implements SourceReader<RecordView, ReadPuls
                         long currentTimestamp = 0;
                         for (Message<byte[]> message : messages) {
                             currentTimestamp = message.getPublishTime();
+                        }
+                        if (currentTimestamp > currentSplit.getEndTimestamp()) {
+                            logger.info("t{} Break for {} -> {}, Queue rest: {}", readerContext.getIndexOfSubtask(), currentTimestamp, currentSplit.getEndTimestamp(), readQueue.size());
+                            break;
+                        }
+                        for (Message<byte[]> message : messages) {
                             output.collect(parsePulsarMessage(message));
                         }
                         consumer.acknowledge(messages);
-                        if (currentTimestamp > currentSplit.getEndTimestamp()) {
-                            logger.info("Break for {} -> {}", currentTimestamp, currentSplit.getEndTimestamp());
-                            break;
-                        }
                         messages = consumer.batchReceive();
                     }
                 }
             }
         }
-        return tryMoveToNextSplit();
-    }
 
-    private InputStatus tryMoveToNextSplit() {
+        currentSplit = null;
+        if (ObjectUtil.isEmpty(readQueue) && !noMoreSplits) {
+            readerContext.sendSplitRequest();
+            logger.info("t{} Request new split", readerContext.getIndexOfSubtask());
+        }
+
         currentSplit = readQueue.poll();
-        logger.info("Current split: {}", currentSplit);
+        logger.info("t{} Queue rest: {}, Current split: {}", readerContext.getIndexOfSubtask(), readQueue.size(), currentSplit);
         if (ObjectUtil.isNotNull(currentSplit)) {
             return InputStatus.MORE_AVAILABLE;
         } else if (noMoreSplits) {
@@ -134,14 +146,14 @@ public class ReadPulsarSourceReader implements SourceReader<RecordView, ReadPuls
 
     @Override
     public void addSplits(List<ReadPulsarSplit> splits) {
-        logger.info("Add splits: {}", splits);
+        logger.info("t{} Add splits: {}", readerContext.getIndexOfSubtask(), splits.stream().map(ReadPulsarSplit::getStartTimestamp).collect(Collectors.toList()));
         readQueue.addAll(splits);
         availability.complete(null);
     }
 
     @Override
     public void notifyNoMoreSplits() {
-        logger.info("No more splits for {}", readerContext.getIndexOfSubtask());
+        logger.info("t{} No more splits for {}", readerContext.getIndexOfSubtask(), readerContext.getIndexOfSubtask());
         noMoreSplits = true;
         availability.complete(null);
     }
diff --git a/service-executor/service-executor-task/src/main/resources/logback.xml b/service-executor/service-executor-task/src/main/resources/logback.xml
index eb023b6..2c343b0 100644
--- a/service-executor/service-executor-task/src/main/resources/logback.xml
+++ b/service-executor/service-executor-task/src/main/resources/logback.xml
@@ -3,7 +3,7 @@
         <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
             <level>INFO</level>
         </filter>
-        <url>http://132.126.207.125:33100/loki/api/v1/push</url>
+        <url>http://132.126.207.126:33100/loki/api/v1/push</url>
         <encoder>
             <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [${HOSTNAME}] %-5level ${PID:- } --- [%t] %-40.40logger{39} #@# : %m%n</pattern>
         </encoder>