diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index a429ba3271e25b0742a1d560f293ed909faee536..7e629ab08aaf149727906065aca2ac626a5a7d1a 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -199,7 +199,8 @@ typedef struct {
 } SMsgDesc;
 
 typedef struct SMsgVersion {
-  char clientVersion[TSDB_VERSION_LEN];
+  char     clientVersion[TSDB_VERSION_LEN];
+  uint32_t crc;
 } SMsgVersion;
 
 typedef struct SMsgHead {