diff --git a/client/src/main/java/com/vesoft/nebula/client/storage/scan/ScanVertexResultIterator.java b/client/src/main/java/com/vesoft/nebula/client/storage/scan/ScanVertexResultIterator.java
index 0a2c24370..5b6355b82 100644
--- a/client/src/main/java/com/vesoft/nebula/client/storage/scan/ScanVertexResultIterator.java
+++ b/client/src/main/java/com/vesoft/nebula/client/storage/scan/ScanVertexResultIterator.java
@@ -178,7 +178,7 @@ private void handleFailedResult(ScanVertexResponse response, PartScanInfo partIn
                 freshLeader(spaceName, partInfo.getPart(), partResult.getLeader());
                 partInfo.setLeader(getLeader(partResult.getLeader()));
             } else {
-                ErrorCode code = partResult.getCode();
+                int code = partResult.getCode().getValue();
                 LOGGER.error(String.format("part scan failed, error code=%d", code));
                 partScanQueue.dropPart(partInfo);
                 exceptions.add(new Exception(String.format("part scan, error code=%d", code)));