diff --git a/.vscode/launch.json b/.vscode/launch.json
index 7293596..60d183b 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -29,7 +29,7 @@
             "name": "(gdb) gtest bug",
             "type": "cppdbg",
             "request": "launch",
-            "program": "${workspaceFolder}/gtest/build/vbt_test",
+            "program": "${fileDirname}/build/${fileBasenameNoExtension}",
             "args": [],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index f21deaf..64de7b9 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -6,7 +6,7 @@
         {
             "type": "shell",
             "label": "cmake main debug",
-            "command": "/usr/bin/bash",
+            "command": "bash",
             "args": [
                 "-c",
                 "cd ${workspaceFolder}/build && cmake .. -DCMAKE_BUILD_TYPE=Debug && make -j4",
@@ -22,10 +22,10 @@
         {
             "type": "shell",
             "label": "cmake test debug",
-            "command": "/usr/bin/bash",
+            "command": "bash",
             "args": [
                 "-c",
-                "cd ${workspaceFolder}/gtest && mkdir -p build && cd build && cmake .. -DCMAKE_BUILD_TYPE=Debug && make -j4",
+                "cd ${fileDirname} && mkdir -p build && cd build && cmake .. -DCMAKE_BUILD_TYPE=Debug && make -j4",
             ],
             "options": {
                 "cwd": "/bin"
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d70ecda..634a4cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,12 +1,12 @@
-cmake_minimum_required(VERSION 3.5.0)
+cmake_minimum_required(VERSION 3.0.0)
 project(orderly VERSION 0.1.0)
 
 SET(CMAKE_BUILD_TYPE "Debug")
 SET(CMAKE_CXX_FLAGS_DEBUG "$ENV{CXXFLAGS} -O0 -Wall -g2 -ggdb")
 SET(CMAKE_CXX_FLAGS_RELEASE "$ENV{CXXFLAGS} -O3 -Wall")
 
-include(CTest)
-enable_testing()
+# include(CTest)
+# enable_testing()
 
 include_directories(
     ${CMAKE_CURRENT_LIST_DIR}/src