diff --git a/flink-doris-connector/src/main/java/org/apache/doris/flink/source/reader/DorisSourceSplitReader.java b/flink-doris-connector/src/main/java/org/apache/doris/flink/source/reader/DorisSourceSplitReader.java
index ce863377b..a0337b9f5 100644
--- a/flink-doris-connector/src/main/java/org/apache/doris/flink/source/reader/DorisSourceSplitReader.java
+++ b/flink-doris-connector/src/main/java/org/apache/doris/flink/source/reader/DorisSourceSplitReader.java
@@ -66,7 +66,7 @@ public RecordsWithSplitIds<List> fetch() throws IOException {
     }
 
     private void checkSplitOrStartNext() throws IOException, DorisException {
-        if (valueReader != null && valueReader.hasNext()) {
+        if (valueReader != null) {
             return;
         }
         final DorisSourceSplit nextSplit = splits.poll();
@@ -74,14 +74,23 @@ private void checkSplitOrStartNext() throws IOException, DorisException {
             throw new IOException("Cannot fetch from another split - no split remaining");
         }
         currentSplitId = nextSplit.splitId();
-        LOG.info("currentSplitId {}, split {}", currentSplitId, nextSplit);
+        LOG.info("Fetch a new split {}", nextSplit);
         valueReader =
                 ValueReader.createReader(
                         nextSplit.getPartitionDefinition(), options, readOptions, LOG);
     }
 
     private DorisSplitRecords finishSplit() {
+        if (valueReader != null) {
+            try {
+                valueReader.close();
+            } catch (Exception e) {
+                LOG.warn("Error while closing value reader: {}", e.getMessage());
+            }
+            valueReader = null;
+        }
         LOG.info("Finished split {}", currentSplitId);
+
         final DorisSplitRecords finishRecords = DorisSplitRecords.finishedSplit(currentSplitId);
         currentSplitId = null;
         LOG.info("After Finished split {}, {} ", currentSplitId, finishRecords.finishedSplits());