diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index bcfeb77ff9..589627c41a 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -39,7 +39,7 @@ typedef struct SDbChkp {
   SArray* pAdd;
   SArray* pDel;
   int8_t  update;
-
+  
   TdThreadRwlock rwLock;
 } SDbChkp;
 typedef struct {