diff --git a/src/main/java/UnitTest/OpenGaussReplicationToKafka.java b/src/main/java/UnitTest/OpenGaussReplicationToKafka.java
index 0691d55..1cfa1d5 100644
--- a/src/main/java/UnitTest/OpenGaussReplicationToKafka.java
+++ b/src/main/java/UnitTest/OpenGaussReplicationToKafka.java
@@ -62,6 +62,13 @@ public class OpenGaussReplicationToKafka {
         System.out.println(list);
     }
 
+    public static String GetLsn(String slotName) {
+        String sql = "select confirmed_flush from pg_replication_slots where slot_name=?";
+        List<Record> list = Db.find(sql, slotName);
+        if (list.size() > 0) return list.get(0).getStr("confirmed_flush");
+        return null;
+    }
+
     public static String GetRestartLsn(String slotName) {
         String sql = "select restart_lsn from pg_replication_slots where slot_name=?";
         List<Record> list = Db.find(sql, slotName);
@@ -97,13 +104,15 @@ public class OpenGaussReplicationToKafka {
         // 查看槽
         //ListSlot();
 
+
 //        TruncateTable();
 
         //插入测试数据
 //        InsertTestData();
 
+
         //获取最后的读取偏移位置
-        String lsn = GetRestartLsn(slotName);
+        String lsn = GetLsn(slotName);
 
         Properties props = new Properties();
         props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, BROKERS_ADDRESS);
@@ -154,9 +163,10 @@ public class OpenGaussReplicationToKafka {
                 kafkaProducer.send(record);
                 System.out.println("send ok ==> " + res);
                 //feedback
-//                stream.setAppliedLSN(stream.getLastReceiveLSN());
+                stream.setAppliedLSN(stream.getLastReceiveLSN());
                 stream.setFlushedLSN(stream.getLastReceiveLSN());
-                System.out.println(GetRestartLsn(slotName));
+                System.out.println(stream.getLastReceiveLSN());
+
             }
         } catch (Exception err) {
             if (stream != null) {