diff --git a/be/test/exec/olap_table_sink_test.cpp b/be/test/exec/olap_table_sink_test.cpp
index 5d56bd053e33f8..3c506b2d9ecab1 100644
--- a/be/test/exec/olap_table_sink_test.cpp
+++ b/be/test/exec/olap_table_sink_test.cpp
@@ -243,7 +243,7 @@ TDataSink get_decimal_sink(TDescriptorTable* desc_tbl) {
     return data_sink;
 }
 
-class TestInternalService : public PInternalService {
+class TestInternalService : public palo::PInternalService {
 public:
     TestInternalService() { }
     virtual ~TestInternalService() { }