diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index cedbdb6087..8948d9f670 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -2664,7 +2664,7 @@ typedef struct {
 } SVgEpSet;
 
 typedef struct {
-  // padding
+  int64_t padding;
 } SRSmaExecMsg;
 
 typedef struct {