fix: cannot close mnode while transferring snapshot

source/dnode/mnode/impl/src/mndMain.c

@@ -491,6 +491,15 @@ void mndPreClose(SMnode *pMnode) {
   if (pMnode != NULL) {
     syncLeaderTransfer(pMnode->syncMgmt.sync);
     syncPreStop(pMnode->syncMgmt.sync);
+
+    while (!syncSnapshotRecving(pMnode->syncMgmt.sync)) {
+      mInfo("vgId:1, snapshot is recving");
+      taosMsleep(300);
+    }
+    while (!syncSnapshotSending(pMnode->syncMgmt.sync)) {
+      mInfo("vgId:1, snapshot is sending");
+      taosMsleep(300);
+    }
   }
 }
 

source/dnode/vnode/src/vnd/vnodeSync.c

@@ -517,11 +517,11 @@ void vnodeSyncPreClose(SVnode *pVnode) {
   syncPreStop(pVnode->sync);
 
   while (!syncSnapshotRecving(pVnode->sync)) {
-    vInfo("vgId:%s, snapshot is recving");
+    vInfo("vgId:%d, snapshot is recving", pVnode->config.vgId);
     taosMsleep(300);
   }
   while (!syncSnapshotSending(pVnode->sync)) {
-    vInfo("vgId:%s, snapshot is sending");
+    vInfo("vgId:%d, snapshot is sending", pVnode->config.vgId);
     taosMsleep(300);
   }