diff --git a/seatunnel-connectors-v2/connector-pulsar/src/main/java/org/apache/seatunnel/connectors/seatunnel/pulsar/source/reader/PulsarSplitReaderThread.java b/seatunnel-connectors-v2/connector-pulsar/src/main/java/org/apache/seatunnel/connectors/seatunnel/pulsar/source/reader/PulsarSplitReaderThread.java
index d97cc8e3651..7dfd0d59516 100644
--- a/seatunnel-connectors-v2/connector-pulsar/src/main/java/org/apache/seatunnel/connectors/seatunnel/pulsar/source/reader/PulsarSplitReaderThread.java
+++ b/seatunnel-connectors-v2/connector-pulsar/src/main/java/org/apache/seatunnel/connectors/seatunnel/pulsar/source/reader/PulsarSplitReaderThread.java
@@ -81,6 +81,7 @@ public void open() throws PulsarClientException {
         if (split.getLatestConsumedId() == null) {
             startCursor.seekPosition(consumer);
         }
+        this.running = true;
     }
 
     @Override