diff --git a/source/libs/index/src/index.c b/source/libs/index/src/index.c
index ae0a6c775e413cb95198b246fb5b74e3da41aca0..744f6ca70bb5dbbb2b7233e188044ae626da61cd 100644
--- a/source/libs/index/src/index.c
+++ b/source/libs/index/src/index.c
@@ -341,6 +341,8 @@ static int indexTermSearch(SIndex* sIdx, SIndexTermQuery* query, SArray** result
   // TODO: iterator mem and tidex
   STermValueType s = kTypeValue;
 
+  int64_t st = taosGetTimestampUs();
+
   SIdxTempResult* tr = sIdxTempResultCreate();
   if (0 == indexCacheSearch(cache, query, tr, &s)) {
     if (s == kTypeDeletion) {
@@ -348,17 +350,23 @@ static int indexTermSearch(SIndex* sIdx, SIndexTermQuery* query, SArray** result
       // coloum already drop by other oper, no need to query tindex
       return 0;
     } else {
+      st = taosGetTimestampUs();
       if (0 != indexTFileSearch(sIdx->tindex, query, tr)) {
         indexError("corrupt at index(TFile) col:%s val: %s", term->colName, term->colVal);
         goto END;
       }
+      int64_t tfCost = taosGetTimestampUs() - st;
+      indexInfo("tfile search cost: %" PRIu64 "us", tfCost);
     }
   } else {
     indexError("corrupt at index(cache) col:%s val: %s", term->colName, term->colVal);
     goto END;
   }
+  int64_t cost = taosGetTimestampUs() - st;
+  indexInfo("search cost: %" PRIu64 "us", cost);
 
   sIdxTempResultMergeTo(*result, tr);
+
   sIdxTempResultDestroy(tr);
   return 0;
 END:
diff --git a/source/libs/index/src/index_cache.c b/source/libs/index/src/index_cache.c
index d3b25afdbcd7d198d738eb2a5bce2ba6b43a2e4b..e601740e350876d867262ad29e40d2735ca3e978 100644
--- a/source/libs/index/src/index_cache.c
+++ b/source/libs/index/src/index_cache.c
@@ -276,14 +276,19 @@ static int indexQueryMem(MemTable* mem, CacheTerm* ct, EIndexQueryType qtype, SI
           } else if (c->operaType == DEL_VALUE) {
             INDEX_MERGE_ADD_DEL(tr->added, tr->deled, c->uid)
           }
+        } else {
+          break;
         }
-      }
+      } else if (qtype == QUERY_PREFIX) {
+      } else if (qtype == QUERY_SUFFIX) {
+      } else if (qtype == QUERY_RANGE)
     }
   }
   tSkipListDestroyIter(iter);
   return 0;
 }
 int indexCacheSearch(void* cache, SIndexTermQuery* query, SIdxTempResult* result, STermValueType* s) {
+  int64_t st = taosGetTimestampUs();
   if (cache == NULL) {
     return 0;
   }
@@ -312,12 +317,14 @@ int indexCacheSearch(void* cache, SIndexTermQuery* query, SIdxTempResult* result
     // continue search in imm
     ret = indexQueryMem(imm, &ct, qtype, result, s);
   }
+
   if (hasJson) {
     tfree(p);
   }
 
   indexMemUnRef(mem);
   indexMemUnRef(imm);
+  indexInfo("cache search, time cost %" PRIu64 "us", taosGetTimestampUs() - st);
 
   return ret;
 }
diff --git a/source/libs/index/src/index_tfile.c b/source/libs/index/src/index_tfile.c
index fd267fbf03d5742ab838581e735e7ba19f1a6254..2396b6af5b3de4b7b7fc9c50acc791f02be44c1d 100644
--- a/source/libs/index/src/index_tfile.c
+++ b/source/libs/index/src/index_tfile.c
@@ -189,8 +189,8 @@ int tfileReaderSearch(TFileReader* reader, SIndexTermQuery* query, SIdxTempResul
   bool            hasJson = INDEX_TYPE_CONTAIN_EXTERN_TYPE(term->colType, TSDB_DATA_TYPE_JSON);
   EIndexQueryType qtype = query->qType;
 
-  SArray* result = taosArrayInit(16, sizeof(uint64_t));
-  int     ret = -1;
+  // SArray* result = taosArrayInit(16, sizeof(uint64_t));
+  int ret = -1;
   // refactor to callback later
   if (qtype == QUERY_TERM) {
     uint64_t offset;
@@ -200,11 +200,18 @@ int tfileReaderSearch(TFileReader* reader, SIndexTermQuery* query, SIdxTempResul
       p = indexPackJsonData(term);
       sz = strlen(p);
     }
+    int64_t  st = taosGetTimestampUs();
     FstSlice key = fstSliceCreate(p, sz);
     if (fstGet(reader->fst, &key, &offset)) {
-      indexInfo("index: %" PRIu64 ", col: %s, colVal: %s, found table info in tindex", term->suid, term->colName,
-                term->colVal);
-      ret = tfileReaderLoadTableIds(reader, offset, result);
+      int64_t et = taosGetTimestampUs();
+      int64_t cost = et - st;
+      indexInfo("index: %" PRIu64 ", col: %s, colVal: %s, found table info in tindex, time cost: %" PRIu64 "us",
+                term->suid, term->colName, term->colVal, cost);
+
+      ret = tfileReaderLoadTableIds(reader, offset, tr->total);
+      cost = taosGetTimestampUs() - et;
+      indexInfo("index: %" PRIu64 ", col: %s, colVal: %s, load all table info, time cost: %" PRIu64 "us", term->suid,
+                term->colName, term->colVal, cost);
     } else {
       indexInfo("index: %" PRIu64 ", col: %s, colVal: %s, not found table info in tindex", term->suid, term->colName,
                 term->colVal);
@@ -225,8 +232,8 @@ int tfileReaderSearch(TFileReader* reader, SIndexTermQuery* query, SIdxTempResul
   }
   tfileReaderUnRef(reader);
 
-  taosArrayAddAll(tr->total, result);
-  taosArrayDestroy(result);
+  // taosArrayAddAll(tr->total, result);
+  // taosArrayDestroy(result);
 
   return ret;
 }
@@ -391,6 +398,7 @@ int indexTFileSearch(void* tfile, SIndexTermQuery* query, SIdxTempResult* result
     return ret;
   }
 
+  int64_t     st = taosGetTimestampUs();
   IndexTFile* pTfile = tfile;
 
   SIndexTerm* term = query->term;
@@ -399,6 +407,8 @@ int indexTFileSearch(void* tfile, SIndexTermQuery* query, SIdxTempResult* result
   if (reader == NULL) {
     return 0;
   }
+  int64_t cost = taosGetTimestampUs() - st;
+  indexInfo("index tfile stage 1 cost: %" PRId64 "", cost);
 
   return tfileReaderSearch(reader, query, result);
 }
diff --git a/source/libs/index/test/indexTests.cc b/source/libs/index/test/indexTests.cc
index ce3f7fe25e3e1b58cdf50fe6fda861edd5795b9e..90ed1b26b8295f965238171658aaa7f8b288edd8 100644
--- a/source/libs/index/test/indexTests.cc
+++ b/source/libs/index/test/indexTests.cc
@@ -768,7 +768,7 @@ class IndexObj {
     int64_t s = taosGetTimestampUs();
     if (Search(mq, result) == 0) {
       int64_t e = taosGetTimestampUs();
-      std::cout << "search one successfully and time cost:" << e - s << "\tquery col:" << colName
+      std::cout << "search one successfully and time cost:" << e - s << "us\tquery col:" << colName
                 << "\t val: " << colVal << "\t size:" << taosArrayGetSize(result) << std::endl;
     } else {
     }
@@ -1106,8 +1106,10 @@ TEST_F(IndexEnv2, testIndex_del) {
   }
   index->Del("tag10", "Hello", 12);
   index->Del("tag10", "Hello", 11);
+  EXPECT_EQ(98, index->SearchOne("tag10", "Hello"));
 
   index->WriteMultiMillonData("tag10", "xxxxxxxxxxxxxx", 100 * 10000);
   index->Del("tag10", "Hello", 17);
+
   EXPECT_EQ(97, index->SearchOne("tag10", "Hello"));
 }