diff --git a/be/src/exec/es_http_scan_node.h b/be/src/exec/es_http_scan_node.h
index 31d3d2e3b8db6d..c65995ac523f8c 100644
--- a/be/src/exec/es_http_scan_node.h
+++ b/be/src/exec/es_http_scan_node.h
@@ -82,8 +82,6 @@ class EsHttpScanNode : public ScanNode {
                 const std::vector<ExprContext*>& conjunct_ctxs, 
                 EsScanCounter* counter);
 
-private:
-
     Status build_conjuncts_list();
 
     TupleId _tuple_id;
diff --git a/be/src/util/es_scan_reader.cpp b/be/src/util/es_scan_reader.cpp
index b4d0236dc5a585..e49cd92586b8e5 100644
--- a/be/src/util/es_scan_reader.cpp
+++ b/be/src/util/es_scan_reader.cpp
@@ -26,7 +26,7 @@
 namespace doris {
 const std::string REUQEST_SCROLL_FILTER_PATH = "filter_path=_scroll_id,hits.hits._source,hits.total,_id,hits.hits._source.fields";
 const std::string REQUEST_SCROLL_PATH = "_scroll";
-const std::string REQUEST_PREFERENCE_PREFIX = "&preference=shards:";
+const std::string REQUEST_PREFERENCE_PREFIX = "&preference=_shards:";
 const std::string REQUEST_SEARCH_SCROLL_PATH = "/_search/scroll";
 const std::string REQUEST_SEPARATOR = "/";
 const std::string REQUEST_SCROLL_TIME = "5m";