diff --git a/core/unittest/server/test_config.cpp b/core/unittest/server/test_config.cpp
index d408fdee8c8e252f60f2c794d1eddbe823e75a6d..f3adf8a2c3d705c9ebd71dba7f594709cca31e7d 100644
--- a/core/unittest/server/test_config.cpp
+++ b/core/unittest/server/test_config.cpp
@@ -38,10 +38,11 @@ TEST_F(ConfigTest, CONFIG_TEST) {
     milvus::Status s = config_mgr->LoadConfigFile("");
     ASSERT_FALSE(s.ok());
 
-    s = config_mgr->LoadConfigFile(INVALID_CONFIG_PATH);
+    std::string config_path(CONFIG_PATH);
+    s = config_mgr->LoadConfigFile(config_path+ INVALID_CONFIG_FILE);
     ASSERT_FALSE(s.ok());
 
-    s = config_mgr->LoadConfigFile(VALID_CONFIG_PATH);
+    s = config_mgr->LoadConfigFile(config_path + VALID_CONFIG_FILE);
     ASSERT_TRUE(s.ok());
 
     config_mgr->Print();
@@ -98,8 +99,9 @@ TEST_F(ConfigTest, CONFIG_TEST) {
 }
 
 TEST_F(ConfigTest, SERVER_CONFIG_TEST) {
+    std::string config_path(CONFIG_PATH);
     milvus::server::Config &config = milvus::server::Config::GetInstance();
-    milvus::Status s = config.LoadConfigFile(VALID_CONFIG_PATH);
+    milvus::Status s = config.LoadConfigFile(config_path + VALID_CONFIG_FILE);
     ASSERT_TRUE(s.ok());
 
     s = config.ValidateConfig();
diff --git a/core/unittest/server/utils.cpp b/core/unittest/server/utils.cpp
index 34c98bea164af27ee65b15753746c8260536c2aa..4c03da6ad917962a534ea2c3b649ea138b35e873 100644
--- a/core/unittest/server/utils.cpp
+++ b/core/unittest/server/utils.cpp
@@ -16,12 +16,12 @@
 // under the License.
 
 #include "server/utils.h"
+#include "utils/CommonUtil.h"
 
 #include <fstream>
 #include <iostream>
 #include <thread>
 #include <string>
-#include <boost/filesystem.hpp>
 
 namespace {
 
@@ -67,8 +67,8 @@ static const char
 static const char* INVALID_CONFIG_STR = "*INVALID*";
 
 void
-WriteToFile(const char* file_path, const char* content) {
-    std::fstream fs(file_path, std::ios_base::out);
+WriteToFile(const std::string& file_path, const char* content) {
+    std::fstream fs(file_path.c_str(), std::ios_base::out);
 
     //write data to file
     fs << content;
@@ -80,12 +80,14 @@ WriteToFile(const char* file_path, const char* content) {
 
 void
 ConfigTest::SetUp() {
-    WriteToFile(VALID_CONFIG_PATH, VALID_CONFIG_STR);
-    WriteToFile(INVALID_CONFIG_PATH, INVALID_CONFIG_STR);
+    std::string config_path(CONFIG_PATH);
+    milvus::server::CommonUtil::CreateDirectory(config_path);
+    WriteToFile(config_path + VALID_CONFIG_FILE, VALID_CONFIG_STR);
+    WriteToFile(config_path+ INVALID_CONFIG_FILE, INVALID_CONFIG_STR);
 }
 
 void
 ConfigTest::TearDown() {
-    boost::filesystem::remove(VALID_CONFIG_PATH);
-    boost::filesystem::remove(INVALID_CONFIG_PATH);
+    std::string config_path(CONFIG_PATH);
+    milvus::server::CommonUtil::DeleteDirectory(config_path);
 }
diff --git a/core/unittest/server/utils.h b/core/unittest/server/utils.h
index dc8f0e1a92c44dad4f644add95461a2fa0f62879..2efc5e412034870922e70cc6d7d16bee07450a67 100644
--- a/core/unittest/server/utils.h
+++ b/core/unittest/server/utils.h
@@ -21,8 +21,9 @@
 #include <gtest/gtest.h>
 #include <chrono>
 
-static const char *VALID_CONFIG_PATH = "/tmp/milvus_test/valid_config.yaml";
-static const char *INVALID_CONFIG_PATH = "/tmp/milvus_test/invalid_config.conf";
+static const char *CONFIG_PATH = "/tmp/milvus_test/";
+static const char *VALID_CONFIG_FILE = "valid_config.yaml";
+static const char *INVALID_CONFIG_FILE = "invalid_config.conf";
 
 class ConfigTest : public ::testing::Test {
  protected: