diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
index 17bc1526b5fd6e95df1b83f6aad3c31106339fd1..24240e82efc2a535b7da096888a63fd43f8ce3f7 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
@@ -287,7 +287,7 @@ int32_t vmGetQueueSize(SVnodeMgmt *pMgmt, int32_t vgId, EQueueType qtype) {
     vmReleaseVnode(pMgmt, pVnode);
   }
   if (size < 0) {
-    dError("vgId:%d, can't get size from queue since %s, qtype:%d", vgId, terrstr(), qtype);
+    dTrace("vgId:%d, can't get size from queue since %s, qtype:%d", vgId, terrstr(), qtype);
     size = 0;
   }
   return size;
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index d47bf4f4010e8410d15d46f6af87e25017c713d8..7151860b45c81f95d353e63b963c4aa814013940 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -429,7 +429,7 @@ bool syncIsReadyForRead(int64_t rid) {
 
 int32_t syncNodeLeaderTransfer(SSyncNode* pSyncNode) {
   if (pSyncNode->peersNum == 0) {
-    sDebug("only one replica, cannot leader transfer");
+    sDebug("vgId:%d, only one replica, cannot leader transfer", pSyncNode->vgId);
     terrno = TSDB_CODE_SYN_ONE_REPLICA;
     return -1;
   }
@@ -445,7 +445,7 @@ int32_t syncNodeLeaderTransfer(SSyncNode* pSyncNode) {
 
 int32_t syncNodeLeaderTransferTo(SSyncNode* pSyncNode, SNodeInfo newLeader) {
   if (pSyncNode->replicaNum == 1) {
-    sDebug("only one replica, cannot leader transfer");
+    sDebug("vgId:%d, only one replica, cannot leader transfer", pSyncNode->vgId);
     terrno = TSDB_CODE_SYN_ONE_REPLICA;
     return -1;
   }
diff --git a/source/libs/wal/src/walWrite.c b/source/libs/wal/src/walWrite.c
index 317ad129b0d52409bcce7ea866da182efed07c4f..9aa3dabf0cfa0dd13d782d756cedb93178b2e5d9 100644
--- a/source/libs/wal/src/walWrite.c
+++ b/source/libs/wal/src/walWrite.c
@@ -325,7 +325,7 @@ int32_t walEndSnapshot(SWal *pWal) {
   SWalFileInfo *pInfo = taosArraySearch(pWal->fileInfoSet, &tmp, compareWalFileInfo, TD_LE);
   if (pInfo) {
     if (ver >= pInfo->lastVer) {
-      pInfo++;
+      pInfo--;
     }
     if (POINTER_DISTANCE(pInfo, pWal->fileInfoSet->pData) > 0) {
       wDebug("vgId:%d, wal end remove from %" PRId64, pWal->cfg.vgId, pInfo->firstVer);
diff --git a/tests/parallel_test/cases.task b/tests/parallel_test/cases.task
index 0567f05d5560c840f5b2817b56c63a1cee4d4174..bb15cef204072204191128c2341473d093024b6a 100644
--- a/tests/parallel_test/cases.task
+++ b/tests/parallel_test/cases.task
@@ -37,10 +37,10 @@
 ,,y,script,./test.sh -f tsim/db/taosdlog.sim
 ,,,script,./test.sh -f tsim/dnode/balance_replica1.sim
 ,,,script,./test.sh -f tsim/dnode/balance_replica3.sim
-#,,,script,./test.sh -f tsim/dnode/balance1.sim
-#,,,script,./test.sh -f tsim/dnode/balance2.sim
-#,,,script,./test.sh -f tsim/dnode/balance3.sim
-#,,,script,./test.sh -f tsim/dnode/balancex.sim
+,,,script,./test.sh -f tsim/dnode/balance1.sim
+,,,script,./test.sh -f tsim/dnode/balance2.sim
+,,,script,./test.sh -f tsim/dnode/balance3.sim
+,,,script,./test.sh -f tsim/dnode/balancex.sim
 ,,y,script,./test.sh -f tsim/dnode/create_dnode.sim
 ,,y,script,./test.sh -f tsim/dnode/drop_dnode_has_mnode.sim
 ,,y,script,./test.sh -f tsim/dnode/drop_dnode_has_qnode_snode.sim
@@ -55,7 +55,7 @@
 ,,,script,./test.sh -f tsim/dnode/redistribute_vgroup_replica3_v1_follower.sim
 ,,,script,./test.sh -f tsim/dnode/redistribute_vgroup_replica3_v2.sim
 ,,,script,./test.sh -f tsim/dnode/redistribute_vgroup_replica3_v3.sim
-#,,,script,./test.sh -f tsim/dnode/vnode_clean.sim
+,,,script,./test.sh -f tsim/dnode/vnode_clean.sim
 ,,,script,./test.sh -f tsim/dnode/use_dropped_dnode.sim 
 ,,,script,./test.sh -f tsim/dnode/split_vgroup_replica1.sim 
 ,,,script,./test.sh -f tsim/dnode/split_vgroup_replica3.sim 
@@ -296,7 +296,7 @@
 ,,y,script,./test.sh -f tsim/vnode/replica3_vgroup.sim
 ,,y,script,./test.sh -f tsim/vnode/replica3_many.sim
 ,,y,script,./test.sh -f tsim/vnode/replica3_import.sim
-#,,,script,./test.sh -f tsim/vnode/stable_balance_replica1.sim
+,,,script,./test.sh -f tsim/vnode/stable_balance_replica1.sim
 ,,y,script,./test.sh -f tsim/vnode/stable_dnode2_stop.sim
 ,,y,script,./test.sh -f tsim/vnode/stable_dnode2.sim
 ,,y,script,./test.sh -f tsim/vnode/stable_dnode3.sim