diff --git a/src/tsdb/src/tsdbMain.c b/src/tsdb/src/tsdbMain.c
index 648188cdae62ae99798b532a94bdd6a1b4657fb2..9a97c773c4bad80955aed39e659a0b57666d5e0a 100644
--- a/src/tsdb/src/tsdbMain.c
+++ b/src/tsdb/src/tsdbMain.c
@@ -282,6 +282,8 @@ int32_t tsdbConfigRepo(TsdbRepoT *repo, STsdbCfg *pCfg) {
 
 int32_t tsdbTriggerCommit(TsdbRepoT *repo) {
   STsdbRepo *pRepo = (STsdbRepo *)repo;
+
+  if (pRepo->appH.walCallBack) pRepo->appH.walCallBack(pRepo->appH.appH);
   
   tsdbLockRepo(repo);
   if (pRepo->commit) {
@@ -387,7 +389,7 @@ int tsdbInitTableCfg(STableCfg *config, ETableType type, int64_t uid, int32_t ti
   config->superUid = TSDB_INVALID_SUPER_TABLE_ID;
   config->tableId.uid = uid;
   config->tableId.tid = tid;
-  config->name = strdup("test1");
+  config->name = NULL;
   return 0;
 }
 
@@ -854,8 +856,6 @@ static void *tsdbCommitData(void *arg) {
   SRWHelper   whelper = {0};
   if (pCache->imem == NULL) return NULL;
 
-  if (pRepo->appH.walCallBack) pRepo->appH.walCallBack(pRepo->appH.appH);
-
   // Create the iterator to read from cache
   SSkipListIterator **iters = tsdbCreateTableIters(pMeta, pCfg->maxTables);
   if (iters == NULL) {
@@ -880,6 +880,7 @@ static void *tsdbCommitData(void *arg) {
 _exit:
   tdFreeDataCols(pDataCols);
   tsdbDestroyTableIters(iters, pCfg->maxTables);
+  tsdbDestroyHelper(&whelper);
 
   tsdbLockRepo(arg);
   tdListMove(pCache->imem->list, pCache->pool.memPool);
diff --git a/src/tsdb/src/tsdbRWHelper.c b/src/tsdb/src/tsdbRWHelper.c
index c0f509d1f2f4eacb819e2c44204429c06307dba6..8b5364e36202976da09c957301fa409004dfd27b 100644
--- a/src/tsdb/src/tsdbRWHelper.c
+++ b/src/tsdb/src/tsdbRWHelper.c
@@ -403,6 +403,7 @@ int tsdbWriteCompInfo(SRWHelper *pHelper) {
   } else {
     pHelper->pCompInfo->delimiter = TSDB_FILE_DELIMITER;
     pHelper->pCompInfo->uid = pHelper->tableInfo.uid;
+    pHelper->pCompInfo->checksum = 0;
     ASSERT((pIdx->len - sizeof(SCompInfo) - sizeof(TSCKSUM)) % sizeof(SCompBlock) == 0);
     taosCalcChecksumAppend(0, (uint8_t *)pHelper->pCompInfo, pIdx->len);
     pIdx->offset = lseek(pHelper->files.nHeadF.fd, 0, SEEK_END);
diff --git a/src/tsdb/tests/tsdbTests.cpp b/src/tsdb/tests/tsdbTests.cpp
index 8c59d63cb2882b3c8d8cef521ec4633e6653b13f..84711b07f866017dd518120976febe5daa68109e 100644
--- a/src/tsdb/tests/tsdbTests.cpp
+++ b/src/tsdb/tests/tsdbTests.cpp
@@ -4,6 +4,7 @@
 
 #include "tdataformat.h"
 #include "tsdbMain.h"
+#include "tskiplist.h"
 
 static double getCurTime() {
   struct timeval tv;
@@ -141,6 +142,7 @@ TEST(TsdbTest, createRepo) {
   STableCfg tCfg;
   ASSERT_EQ(tsdbInitTableCfg(&tCfg, TSDB_SUPER_TABLE, 987607499877672L, 0), -1);
   ASSERT_EQ(tsdbInitTableCfg(&tCfg, TSDB_NORMAL_TABLE, 987607499877672L, 0), 0);
+  tsdbTableSetName(&tCfg, "test", false);
 
   int       nCols = 5;
   STSchema *schema = tdNewSchema(nCols);
@@ -167,7 +169,7 @@ TEST(TsdbTest, createRepo) {
     .sversion = tCfg.sversion,
     .startTime = 1584081000000,
     .interval = 1000,
-    .totalRows = 5000000,
+    .totalRows = 10000000,
     .rowsPerSubmit = 1,
     .pSchema = schema
   };
@@ -262,4 +264,47 @@ TEST(TsdbTest, DISABLED_createFileGroup) {
   // ASSERT_EQ(tsdbCreateFileGroup("/home/ubuntu/work/ttest/vnode0/data", 1820, &fGroup, 1000), 0);
 
   int k = 0;
+}
+
+static char *getTKey(const void *data) {
+  return (char *)data;
+}
+
+static void insertSkipList(bool isAscend) {
+  TSKEY start_time = 1587393453000;
+  TSKEY interval = 1000;
+
+  SSkipList *pList = tSkipListCreate(5, TSDB_DATA_TYPE_TIMESTAMP, sizeof(TSKEY), 0, 0, 1, getTKey);
+  ASSERT_NE(pList, nullptr);
+
+  for (size_t i = 0; i < 20000000; i++)
+  {
+    TSKEY time = isAscend ? (start_time + i * interval) : (start_time - i * interval);
+    int32_t level = 0;
+    int32_t headSize = 0;
+
+    tSkipListNewNodeInfo(pList, &level, &headSize);
+    SSkipListNode *pNode = (SSkipListNode *)malloc(headSize + sizeof(TSKEY));
+    ASSERT_NE(pNode, nullptr);
+    pNode->level = level;
+    *(TSKEY *)((char *)pNode + headSize) = time;
+    tSkipListPut(pList, pNode);
+  }
+
+  tSkipListDestroy(pList);
+}
+
+TEST(TsdbTest, DISABLED_testSkipList) {
+// TEST(TsdbTest, testSkipList) {
+  double stime = getCurTime();
+  insertSkipList(true);
+  double etime = getCurTime();
+
+  printf("Time used to insert 100000000 records takes %f seconds\n", etime-stime);
+
+  stime = getCurTime();
+  insertSkipList(false);
+  etime = getCurTime();
+
+  printf("Time used to insert 100000000 records takes %f seconds\n", etime-stime);
 }
\ No newline at end of file