diff --git a/src/rpc/src/trpc.c b/src/rpc/src/trpc.c
index 643622dfa7a66fe88b0137720772d22a5b9a0a77..c855a4dd8233d94f82b159f189f53426f10e691f 100644
--- a/src/rpc/src/trpc.c
+++ b/src/rpc/src/trpc.c
@@ -151,7 +151,9 @@ 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;