diff --git a/src/sync/src/syncRestore.c b/src/sync/src/syncRestore.c
index 27570ce8f28e56db8b59f63420ec314ff3ed3a33..8651879eb6cb06ff629c694f128b6107bf8f19a2 100644
--- a/src/sync/src/syncRestore.c
+++ b/src/sync/src/syncRestore.c
@@ -56,7 +56,7 @@ static int32_t syncRestoreFile(SSyncPeer *pPeer, uint64_t *fversion) {
   SSyncNode *pNode = pPeer->pSyncNode;
   SFileInfo  minfo; memset(&minfo, 0, sizeof(SFileInfo)); /* = {0}; */
   SFileInfo  sinfo; memset(&sinfo, 0, sizeof(SFileInfo)); /* = {0}; */
-  SFileAck   fileAck = {0};
+  SFileAck   fileAck; memset(&fileAck, 0, sizeof(SFileAck));
   int32_t    code = -1;
   char       name[TSDB_FILENAME_LEN * 2] = {0};
   uint32_t   pindex = 0;  // index in last restore
@@ -73,7 +73,8 @@ static int32_t syncRestoreFile(SSyncPeer *pPeer, uint64_t *fversion) {
       break;
     }
 
-    ret = syncCheckHead((SSyncHead*)(&minfo));
+    assert(ret == sizeof(SFileInfo));
+    ret = syncCheckHead((SSyncHead *)(&minfo));
     if (ret != 0) {
       sError("%s, failed to check fileinfo while restore file since %s", pPeer->id, strerror(ret));
       break;
diff --git a/src/sync/src/syncRetrieve.c b/src/sync/src/syncRetrieve.c
index d579025dedde1acbbb95cbf90ef031131746ced2..02d990313e8c95518e22939c8ab0d41ad05604c2 100644
--- a/src/sync/src/syncRetrieve.c
+++ b/src/sync/src/syncRetrieve.c
@@ -88,7 +88,7 @@ static bool syncAreFilesModified(SSyncNode *pNode, SSyncPeer *pPeer) {
 static int32_t syncRetrieveFile(SSyncPeer *pPeer) {
   SSyncNode *pNode = pPeer->pSyncNode;
   SFileInfo  fileInfo; memset(&fileInfo, 0, sizeof(SFileInfo));
-  SFileAck   fileAck = {0};
+  SFileAck   fileAck; memset(&fileAck, 0, sizeof(SFileAck));
   int32_t    code = -1;
   char       name[TSDB_FILENAME_LEN * 2] = {0};