diff --git a/include/util/tdef.h b/include/util/tdef.h
index e298509ad6de8f172d6e8f87b79ec91dfd3d05da..6e1fa87854660ae1befbf9bcb18d3e71875dc955 100644
--- a/include/util/tdef.h
+++ b/include/util/tdef.h
@@ -360,7 +360,7 @@ typedef enum ELogicConditionType {
 #define TSDB_DEFAULT_DB_SCHEMALESS      TSDB_DB_SCHEMALESS_OFF
 #define TSDB_MIN_STT_TRIGGER            1
 #define TSDB_MAX_STT_TRIGGER            16
-#define TSDB_DEFAULT_SST_TRIGGER        8
+#define TSDB_DEFAULT_SST_TRIGGER        1
 #define TSDB_MIN_HASH_PREFIX            0
 #define TSDB_MAX_HASH_PREFIX            128
 #define TSDB_DEFAULT_HASH_PREFIX        0