diff --git a/source/libs/index/CMakeLists.txt b/source/libs/index/CMakeLists.txt
index 33133d21ae287c6de281cc90665b4a81f0d51931..0c2ce37c4030dbb018eb7871f396be60aa0fc076 100644
--- a/source/libs/index/CMakeLists.txt
+++ b/source/libs/index/CMakeLists.txt
@@ -35,7 +35,7 @@ if (${BUILD_WITH_INVERTEDINDEX})
 endif(${BUILD_WITH_INVERTEDINDEX})
 
 
-# if (${BUILD_TEST})
-#   add_subdirectory(test)
-# endif(${BUILD_TEST})
+if (${BUILD_TEST})
+   add_subdirectory(test)
+endif(${BUILD_TEST})
 
diff --git a/source/libs/index/src/indexFstFile.c b/source/libs/index/src/indexFstFile.c
index 77dce211504046a796474cb0311bf67deb437314..9106caebd6b61581041167bfd4ac4e4a6b090cf1 100644
--- a/source/libs/index/src/indexFstFile.c
+++ b/source/libs/index/src/indexFstFile.c
@@ -71,9 +71,7 @@ static int idxFileCtxGetSize(IFileCtx* ctx) {
 }
 static int idxFileCtxDoFlush(IFileCtx* ctx) {
   if (ctx->type == TFile) {
-    // taosFsyncFile(ctx->file.pFile);
     taosFsyncFile(ctx->file.pFile);
-    // tfFlush(ctx->file.pFile);
   } else {
     // do nothing
   }
@@ -190,13 +188,11 @@ int idxFileRead(IdxFstFile* write, uint8_t* buf, uint32_t len) {
     return 0;
   }
   IFileCtx* ctx = write->wrt;
-  int       nRead = ctx->read(ctx, buf, len);
-  // assert(nRead == len);
-  return nRead;
+  return ctx->read(ctx, buf, len);
 }
 
 uint32_t idxFileMaskedCheckSum(IdxFstFile* write) {
-  // opt
+  //////
   return write->summer;
 }
 
diff --git a/source/libs/index/src/indexTfile.c b/source/libs/index/src/indexTfile.c
index e9abd3e577614b2225a71cc17277ff2a17f9c52b..70cdedd91782d0ae39240ac29f47cb98224c401a 100644
--- a/source/libs/index/src/indexTfile.c
+++ b/source/libs/index/src/indexTfile.c
@@ -457,7 +457,10 @@ static int32_t tfSearchCompareFunc_JSON(void* reader, SIndexTerm* tem, SIdxTRslt
       } else if (0 != strncmp(ch, p, skip)) {
         continue;
       }
-      cond = cmpFn(ch + skip, tem->colVal, IDX_TYPE_GET_TYPE(tem->colType));
+      char* tBuf = taosMemoryCalloc(1, sz + 1);
+      memcpy(tBuf, ch, sz);
+      cond = cmpFn(tBuf + skip, tem->colVal, IDX_TYPE_GET_TYPE(tem->colType));
+      taosMemoryFree(tBuf);
     }
     if (MATCH == cond) {
       tfileReaderLoadTableIds((TFileReader*)reader, rt->out.out, tr->total);
diff --git a/source/libs/transport/src/transSvr.c b/source/libs/transport/src/transSvr.c
index 4f33c8cdc1fd214e7bcce1578f7386ce4d29d161..58d6d5368468f1814e82e89a93e0243ed23c0915 100644
--- a/source/libs/transport/src/transSvr.c
+++ b/source/libs/transport/src/transSvr.c
@@ -1,7 +1,6 @@
 /*
  * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
- *
- * This program is free software: you can use, redistribute, and/or modify
+ * * This program is free software: you can use, redistribute, and/or modify
  * it under the terms of the GNU Affero General Public License, version 3
  * or later ("AGPL"), as published by the Free Software Foundation.
  *