diff --git a/inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/postgre/DebeziumSourceFunction.java b/inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/postgre/DebeziumSourceFunction.java
index 689e14b40e3..d6de2d1f171 100644
--- a/inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/postgre/DebeziumSourceFunction.java
+++ b/inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/postgre/DebeziumSourceFunction.java
@@ -236,7 +236,7 @@ public void open(Configuration parameters) throws Exception {
         this.executor = Executors.newSingleThreadExecutor(threadFactory);
         this.handover = new Handover();
         this.changeConsumer = new DebeziumChangeConsumer(handover);
-        if (sourceExactlyMetric == null) {
+        if (sourceExactlyMetric == null && metricOption != null) {
             sourceExactlyMetric = new SourceExactlyMetric(metricOption, getRuntimeContext().getMetricGroup());
         }
         if (deserializer instanceof RowDataDebeziumDeserializeSchema) {