diff --git a/tests/taosc_test/taoscTest.cpp b/tests/taosc_test/taoscTest.cpp
index d3f6f50547..1b051f555e 100644
--- a/tests/taosc_test/taoscTest.cpp
+++ b/tests/taosc_test/taoscTest.cpp
@@ -30,31 +30,31 @@
 #include "taos.h"
 
 class taoscTest : public ::testing::Test {
- protected:
+protected:
   static void SetUpTestCase() {
-//    printf("start test setup.\n");
-//    TAOS* taos = taos_connect("localhost", "root", "taosdata", NULL, 0);
-//    ASSERT_TRUE(taos != nullptr);
-//
-//    TAOS_RES* res = taos_query(taos, "drop database IF EXISTS taosc_test_db;");
-//    if (taos_errno(res) != 0) {
-//      printf("error in drop database taosc_test_db, reason:%s\n", taos_errstr(res));
-//      return;
-//    }
-//    taosSsleep(5);
-//    taos_free_result(res);
-//    printf("drop database taosc_test_db,finished.\n");
-//
-//    res = taos_query(taos, "create database taosc_test_db;");
-//    if (taos_errno(res) != 0) {
-//      printf("error in create database taosc_test_db, reason:%s\n", taos_errstr(res));
-//      return;
-//    }
-//    taosSsleep(5);
-//    taos_free_result(res);
-//    printf("create database taosc_test_db,finished.\n");
-//
-//    taos_close(taos);
+    printf("start test setup.\n");
+    TAOS* taos = taos_connect("localhost", "root", "taosdata", NULL, 0);
+    ASSERT_TRUE(taos != nullptr);
+
+    TAOS_RES* res = taos_query(taos, "drop database IF EXISTS taosc_test_db;");
+    if (taos_errno(res) != 0) {
+      printf("error in drop database taosc_test_db, reason:%s\n", taos_errstr(res));
+      return;
+    }
+    taosSsleep(5);
+    taos_free_result(res);
+    printf("drop database taosc_test_db,finished.\n");
+
+    res = taos_query(taos, "create database taosc_test_db;");
+    if (taos_errno(res) != 0) {
+      printf("error in create database taosc_test_db, reason:%s\n", taos_errstr(res));
+      return;
+    }
+    taosSsleep(5);
+    taos_free_result(res);
+    printf("create database taosc_test_db,finished.\n");
+
+    taos_close(taos);
   }
 
   static void TearDownTestCase() {}
@@ -99,154 +99,6 @@ void queryCallback(void* param, void* res, int32_t code) {
   taos_fetch_raw_block_a(res, fetchCallback, param);
 }
 
-/**
- * @brief execute sql only.
- *
- * @param taos
- * @param sql
- */
-void executeSQL(TAOS *taos, const char *sql) {
-  TAOS_RES *res = taos_query(taos, sql);
-  int       code = taos_errno(res);
-  if (code != 0) {
-    printf("%s\n", taos_errstr(res));
-    taos_free_result(res);
-    taos_close(taos);
-    exit(EXIT_FAILURE);
-  }
-  taos_free_result(res);
-}
-
-/**
- * @brief check return status and exit program when error occur.
- *
- * @param stmt
- * @param code
- * @param msg
- */
-void checkErrorCode(TAOS_STMT *stmt, int code, const char* msg) {
-  if (code != 0) {
-    printf("%s. error: %s\n", msg, taos_stmt_errstr(stmt));
-    taos_stmt_close(stmt);
-    exit(EXIT_FAILURE);
-  }
-}
-
-typedef struct {
-    int64_t ts;
-    float current;
-    int voltage;
-    float phase;
-} Row;
-
-
-/**
- * @brief insert data using stmt API
- *
- * @param taos
- */
-void insertData(TAOS *taos) {
-  // init
-  TAOS_STMT *stmt = taos_stmt_init(taos);
-  // prepare
-//  const char *sql = "INSERT INTO ?.d1001 USING meters TAGS(?, ?) values(?, ?, ?, ?)";
-//  const char *sql = "INSERT INTO ?.? USING meters TAGS(?, ?) values(?, ?, ?, ?)";
-//  const char *sql = "INSERT INTO power.? USING meters TAGS(?, ?) values(?, ?, ?, ?)";
-//  const char *sql = "INSERT INTO ? USING meters TAGS(?, ?) values(?, ?, ?, ?)";
-//  const char *sql = "INSERT INTO ? USING meters TAGS(?, ?) values(?, ?, ?, ?)";
-  const char *sql = "insert into huawei USING meters TAGS(?, ?) values(?, ?, ?, ?)";
-  int         code = taos_stmt_prepare(stmt, sql, 0);
-  checkErrorCode(stmt, code, "failed to execute taos_stmt_prepare");
-  // bind table name and tags
-  TAOS_MULTI_BIND tags[2];
-  char     *location = "California.SanFrancisco";
-  int       groupId = 2;
-  tags[0].buffer_type = TSDB_DATA_TYPE_BINARY;
-  tags[0].buffer_length = strlen(location);
-  tags[0].length = (int32_t *)&tags[0].buffer_length;
-  tags[0].buffer = location;
-  tags[0].is_null = NULL;
-
-  tags[1].buffer_type = TSDB_DATA_TYPE_INT;
-  tags[1].buffer_length = sizeof(int);
-  tags[1].length = (int32_t *)&tags[1].buffer_length;
-  tags[1].buffer = &groupId;
-  tags[1].is_null = NULL;
-
-//  code = taos_stmt_set_tbname_tags(stmt, "duck", tags);
-//  checkErrorCode(stmt, code, "failed to execute taos_stmt_set_dbname_tbname_tags");
-
-  // insert two rows with multi binds
-  TAOS_MULTI_BIND params[4];
-  // values to bind
-  int64_t ts[] = {1648432611250, 1648432611778};
-  float   current[] = {10.3, 12.6};
-  int     voltage[] = {219, 218};
-  float   phase[] = {0.31, 0.33};
-  // is_null array
-  char is_null[2] = {0};
-  // length array
-  int32_t int64Len[2] = {sizeof(int64_t)};
-  int32_t floatLen[2] = {sizeof(float)};
-  int32_t intLen[2] = {sizeof(int)};
-
-  params[0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
-  params[0].buffer_length = sizeof(int64_t);
-  params[0].buffer = ts;
-  params[0].length = int64Len;
-  params[0].is_null = is_null;
-  params[0].num = 2;
-
-  params[1].buffer_type = TSDB_DATA_TYPE_FLOAT;
-  params[1].buffer_length = sizeof(float);
-  params[1].buffer = current;
-  params[1].length = floatLen;
-  params[1].is_null = is_null;
-  params[1].num = 2;
-
-  params[2].buffer_type = TSDB_DATA_TYPE_INT;
-  params[2].buffer_length = sizeof(int);
-  params[2].buffer = voltage;
-  params[2].length = intLen;
-  params[2].is_null = is_null;
-  params[2].num = 2;
-
-  params[3].buffer_type = TSDB_DATA_TYPE_FLOAT;
-  params[3].buffer_length = sizeof(float);
-  params[3].buffer = phase;
-  params[3].length = floatLen;
-  params[3].is_null = is_null;
-  params[3].num = 2;
-
-  code = taos_stmt_bind_param_batch(stmt, params); // bind batch
-  checkErrorCode(stmt, code, "failed to execute taos_stmt_bind_param_batch");
-  code = taos_stmt_add_batch(stmt);  // add batch
-  checkErrorCode(stmt, code, "failed to execute taos_stmt_add_batch");
-  // execute
-  code = taos_stmt_execute(stmt);
-  checkErrorCode(stmt, code, "failed to execute taos_stmt_execute");
-  int affectedRows = taos_stmt_affected_rows(stmt);
-  printf("successfully inserted %d rows\n", affectedRows);
-
-  // close
-  taos_stmt_close(stmt);
-}
-
-TEST_F(taoscTest, taos_stmt_test) {
-  TAOS *taos = taos_connect("localhost", "root", "taosdata", NULL, 6030);
-  if (taos == NULL) {
-    printf("failed to connect to server");
-    exit(EXIT_FAILURE);
-  }
-//  executeSQL(taos, "drop database if exists power");
-//  executeSQL(taos, "create database power");
-  executeSQL(taos, "use power");
-//  executeSQL(taos, "create stable meters (ts timestamp, current float, voltage int, phase float) tags (location binary(64), groupId int)");
-  insertData(taos);
-  taos_close(taos);
-  taos_cleanup();
-}
-
 TEST_F(taoscTest, taos_query_a_test) {
   char    sql[1024] = {0};
   int32_t code = 0;
@@ -336,7 +188,7 @@ TEST_F(taoscTest, taos_query_test) {
 void queryCallback2(void* param, void* res, int32_t code) {
   ASSERT_TRUE(code == 0);
   ASSERT_TRUE(param == pUserParam);
-  // After using taos_query_a to query, using taos_fetch_row in the callback will cause blocking. 
+  // After using taos_query_a to query, using taos_fetch_row in the callback will cause blocking.
   // Reason: schProcessOnCbBegin SCH_LOCK_TASK(pTask)
   TAOS_ROW row;
   row = taos_fetch_row(res);
@@ -402,7 +254,7 @@ TEST_F(taoscTest, taos_query_a_fetch_row) {
   printf("taos_query_a_fetch_row  taos_fetch_row start...\n");
 
   while ((row = taos_fetch_row(*pres))) {
-     getRecordCounts++;
+    getRecordCounts++;
   }
   printf("taos_query_a_fetch_row  taos_fetch_row end. %p record count:%d.\n", *pres, getRecordCounts);
   taos_free_result(*pres);
@@ -412,4 +264,3 @@ TEST_F(taoscTest, taos_query_a_fetch_row) {
 
   printf("taos_query_a_fetch_row test finished.\n");
 }
-