diff --git a/src/client/src/taos.def b/src/client/src/taos.def
index 0e7289764b28d6b40d6576afb125f4251e88182f..bcb705434b3847327cfb130896e0252871fbdad7 100644
--- a/src/client/src/taos.def
+++ b/src/client/src/taos.def
@@ -52,3 +52,4 @@ taos_stmt_bind_single_param_batch
 taos_is_null
 taos_insert_lines
 taos_schemaless_insert
+taos_result_block