diff --git a/src/rpc/src/trpc.c b/src/rpc/src/trpc.c
index 34d94fcc0993d7f962e6fcd0f3820051c154cacd..d84746817dd524fbb9e7a5b4aea1631ffda1c9ab 100755
--- a/src/rpc/src/trpc.c
+++ b/src/rpc/src/trpc.c
@@ -232,7 +232,9 @@ char *taosBuildReqHeader(void *param, char type, char *msg) {
   }
 
   pHeader = (STaosHeader *)(msg + sizeof(SMsgNode));
+  memset(pHeader, 0, sizeof(STaosHeader));
   pHeader->version = 1;
+  pHeader->comp = 0;
   pHeader->msgType = type;
   pHeader->spi = 0;
   pHeader->tcp = 0;