fix:subscribe time & return -1 if wal not exist

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

@@ -898,7 +898,7 @@ static int32_t mndConsumerActionInsert(SSdb *pSdb, SMqConsumerObj *pConsumer) {
   mInfo("consumer:0x%" PRIx64 " sub insert, cgroup:%s status:%d(%s) epoch:%d",
          pConsumer->consumerId, pConsumer->cgroup, pConsumer->status, mndConsumerStatusName(pConsumer->status),
          pConsumer->epoch);
-  pConsumer->subscribeTime = taosGetTimestampMs();
+  pConsumer->subscribeTime = pConsumer->createTime;
   return 0;
 }
 

source/libs/wal/src/walRead.c

@@ -371,9 +371,9 @@ int32_t walFetchHead(SWalReader *pRead, int64_t ver, SWalCkHead *pHead) {
          pRead->pWal->vers.appliedVer);
 
   // TODO: valid ver
-//  if (ver > pRead->pWal->vers.appliedVer) {
-//    return -1;
-//  }
+  if (ver > pRead->pWal->vers.commitVer) {
+    return -1;
+  }
 
   if (pRead->curVersion != ver) {
     code = walReaderSeekVer(pRead, ver);