diff --git a/source/libs/index/src/index.c b/source/libs/index/src/index.c
index ff973dd7e3..0657c68458 100644
--- a/source/libs/index/src/index.c
+++ b/source/libs/index/src/index.c
@@ -73,6 +73,7 @@ int indexOpen(SIndexOpts* opts, const char* path, SIndex** index) {
 #ifdef USE_INVERTED_INDEX
   // sIdx->cache = (void*)indexCacheCreate(sIdx);
   sIdx->tindex = indexTFileCreate(path);
+  if (sIdx->tindex == NULL) { goto END; }
   sIdx->colObj = taosHashInit(8, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
   sIdx->cVersion = 1;
   sIdx->path = calloc(1, strlen(path) + 1);
@@ -83,6 +84,8 @@ int indexOpen(SIndexOpts* opts, const char* path, SIndex** index) {
 
   return 0;
 #endif
+END:
+  if (sIdx != NULL) { indexClose(sIdx); }
 
   *index = NULL;
   return -1;
diff --git a/source/libs/index/src/index_fst_counting_writer.c b/source/libs/index/src/index_fst_counting_writer.c
index fb730d5f70..0f29da1c27 100644
--- a/source/libs/index/src/index_fst_counting_writer.c
+++ b/source/libs/index/src/index_fst_counting_writer.c
@@ -72,12 +72,14 @@ WriterCtx* writerCtxCreate(WriterType type, const char* path, bool readOnly, int
     if (readOnly == false) {
       // ctx->file.fd = open(path, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU | S_IRWXG | S_IRWXO);
       ctx->file.fd = tfOpenCreateWriteAppend(path);
+
       struct stat fstat;
       stat(path, &fstat);
       ctx->file.size = fstat.st_size;
     } else {
       // ctx->file.fd = open(path, O_RDONLY, S_IRWXU | S_IRWXG | S_IRWXO);
       ctx->file.fd = tfOpenRead(path);
+
       struct stat fstat;
       stat(path, &fstat);
       ctx->file.size = fstat.st_size;
diff --git a/source/libs/index/src/index_tfile.c b/source/libs/index/src/index_tfile.c
index 9c4d1d1139..d4d13ddf19 100644
--- a/source/libs/index/src/index_tfile.c
+++ b/source/libs/index/src/index_tfile.c
@@ -66,12 +66,14 @@ TFileCache* tfileCacheCreate(const char* path) {
   int32_t  colId, version;
   for (size_t i = 0; i < taosArrayGetSize(files); i++) {
     char* file = taosArrayGetP(files, i);
-    char  colName[256] = {0};
+
+    // refactor later, use colname and version info
+    char colName[256] = {0};
     if (0 != tfileParseFileName(file, &suid, colName, (int*)&version)) {
       indexInfo("try parse invalid file:  %s, skip it", file);
       continue;
     }
-    // use version info later
+
     char fullName[256] = {0};
     sprintf(fullName, "%s/%s", path, file);
 
@@ -204,7 +206,7 @@ int tfileReaderSearch(TFileReader* reader, SIndexTermQuery* query, SArray* resul
 TFileWriter* tfileWriterOpen(char* path, uint64_t suid, int32_t version, const char* colName, uint8_t colType) {
   char fullname[256] = {0};
   tfileGenFileFullName(fullname, path, suid, colName, version);
-  indexInfo("open write file name %s", fullname);
+  // indexInfo("open write file name %s", fullname);
   WriterCtx* wcx = writerCtxCreate(TFile, fullname, false, 1024 * 1024 * 64);
   if (wcx == NULL) { return NULL; }
 
@@ -221,7 +223,7 @@ TFileReader* tfileReaderOpen(char* path, uint64_t suid, int32_t version, const c
   tfileGenFileFullName(fullname, path, suid, colName, version);
 
   WriterCtx* wc = writerCtxCreate(TFile, fullname, true, 1024 * 1024 * 1024);
-  indexInfo("open read file name:%s, size: %d", wc->file.buf, wc->file.size);
+  // indexInfo("open read file name:%s, size: %d", wc->file.buf, wc->file.size);
   if (wc == NULL) { return NULL; }
 
   TFileReader* reader = tfileReaderCreate(wc);
@@ -356,6 +358,7 @@ IndexTFile* indexTFileCreate(const char* path) {
   return tfile;
 }
 void indexTFileDestroy(IndexTFile* tfile) {
+  if (tfile == NULL) { return; }
   tfileCacheDestroy(tfile->cache);
   free(tfile);
 }
diff --git a/source/libs/index/test/indexTests.cc b/source/libs/index/test/indexTests.cc
index 3a8a880b3b..77b6e02f18 100644
--- a/source/libs/index/test/indexTests.cc
+++ b/source/libs/index/test/indexTests.cc
@@ -823,7 +823,7 @@ TEST_F(IndexEnv2, testIndex_TrigeFlush) {
     // r
     std::cout << "failed to init" << std::endl;
   }
-  int numOfTable = 2 * 10000;
+  int numOfTable = 100 * 10000;
   index->WriteMillonData("tag1", "Hello Wolrd", numOfTable);
   int target = index->SearchOne("tag1", "Hello Wolrd");
   std::cout << "Get Index: " << target << std::endl;
@@ -847,8 +847,8 @@ TEST_F(IndexEnv2, testIndex_serarch_cache_and_tfile) {
   }
   index->PutOne("tag1", "Hello");
   index->PutOne("tag2", "Test");
-  index->WriteMultiMillonData("tag1", "Hello", 5 * 10000);
-  index->WriteMultiMillonData("tag2", "Test", 5 * 10000);
+  index->WriteMultiMillonData("tag1", "Hello", 50 * 10000);
+  index->WriteMultiMillonData("tag2", "Test", 50 * 10000);
   std::thread threads[NUM_OF_THREAD];
 
   for (int i = 0; i < NUM_OF_THREAD; i++) {