diff --git a/inlong-sort/sort-flink/base/src/main/java/org/apache/inlong/sort/base/metric/SourceExactlyMetric.java b/inlong-sort/sort-flink/base/src/main/java/org/apache/inlong/sort/base/metric/SourceExactlyMetric.java
index 3c1a6fa8f2f..4dafc58adc5 100644
--- a/inlong-sort/sort-flink/base/src/main/java/org/apache/inlong/sort/base/metric/SourceExactlyMetric.java
+++ b/inlong-sort/sort-flink/base/src/main/java/org/apache/inlong/sort/base/metric/SourceExactlyMetric.java
@@ -110,7 +110,7 @@ public SourceExactlyMetric(MetricOption option, MetricGroup metricGroup) {
                 registerMetricsForCurrentFetchEventTimeLag();
                 registerMetricsForCurrentEmitEventTimeLag();
                 registerMetricsForDeserializeTimeLag();
-                registerMetricsForNumCompletedCheckpoints(new ThreadSafeCounter());
+                registerMetricsForNumCompletedSnapshots(new ThreadSafeCounter());
                 registerMetricsForNumDeserializeSuccess(new ThreadSafeCounter());
                 registerMetricsForNumDeserializeError(new ThreadSafeCounter());
                 registerMetricsForNumSnapshotCreate(new ThreadSafeCounter());
@@ -216,7 +216,7 @@ public void registerMetricsForNumSnapshotError(Counter counter) {
         numSnapshotError = registerCounter(NUM_SNAPSHOT_ERROR, counter);
     }
 
-    public void registerMetricsForNumCompletedCheckpoints(Counter counter) {
+    public void registerMetricsForNumCompletedSnapshots(Counter counter) {
         numCompletedSnapshots = registerCounter(NUM_COMPLETED_SNAPSHOTS, counter);
     }
 
diff --git a/inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/postgre/RowDataDebeziumDeserializeSchema.java b/inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/postgre/RowDataDebeziumDeserializeSchema.java
index 048b0d282eb..95c79a53f4f 100644
--- a/inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/postgre/RowDataDebeziumDeserializeSchema.java
+++ b/inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/postgre/RowDataDebeziumDeserializeSchema.java
@@ -17,9 +17,6 @@
 
 package org.apache.inlong.sort.postgre;
 
-import org.apache.inlong.sort.base.metric.MetricsCollector;
-import org.apache.inlong.sort.base.metric.SourceExactlyMetric;
-
 import com.ververica.cdc.debezium.table.AppendMetadataCollector;
 import com.ververica.cdc.debezium.table.DebeziumChangelogMode;
 import com.ververica.cdc.debezium.table.DeserializationRuntimeConverter;
@@ -46,6 +43,8 @@
 import org.apache.flink.table.types.logical.RowType;
 import org.apache.flink.types.RowKind;
 import org.apache.flink.util.Collector;
+import org.apache.inlong.sort.base.metric.MetricsCollector;
+import org.apache.inlong.sort.base.metric.SourceExactlyMetric;
 import org.apache.kafka.connect.data.Decimal;
 import org.apache.kafka.connect.data.Field;
 import org.apache.kafka.connect.data.Schema;
@@ -136,7 +135,7 @@ public void open() {
 
     @Override
     public void deserialize(SourceRecord record, Collector<RowData> out) throws Exception {
-        long deserializeStartTime = System.nanoTime();
+        long deserializeStartTime = System.currentTimeMillis();
         try {
             doDeserialize(record, out, deserializeStartTime);
         } catch (Exception e) {
@@ -186,7 +185,7 @@ private void doDeserialize(SourceRecord record, Collector<RowData> out, long des
         }
         if (sourceExactlyMetric != null) {
             sourceExactlyMetric.incNumDeserializeSuccess();
-            sourceExactlyMetric.recordDeserializeDelay(System.nanoTime() - deserializeStartTime);
+            sourceExactlyMetric.recordDeserializeDelay(System.currentTimeMillis() - deserializeStartTime);
         }
     }