diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index adba15e02a0ba479286d83a899a8ead7b8e3fcfa..dc65d828da4bd1ea0d5d830add3c990bd50355de 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -545,7 +545,7 @@ typedef struct SRetrieveTableRsp {
   int32_t numOfRows;
   int8_t  completed;  // all results are returned to client
   int16_t precision;
-  int32_t sVersion;
+  int32_t sVersion; //TODO: will use tlv for sversion and tversion
   int32_t tVersion;
   int64_t offset;     // updated offset value for multi-vnode projection query
   int64_t useconds;