diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index e7802b3d0d..0000000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,49 +0,0 @@
-version: 1.0.{build}
-image:
-  - Visual Studio 2015
-  - macos
-environment:
-  matrix:
-    - ARCH: amd64
-    - ARCH: x86
-matrix:
-  exclude:
-    - image: macos
-      ARCH: x86
-for:
-  -
-    matrix:
-      only:
-        - image: Visual Studio 2015
-    clone_folder: c:\dev\TDengine
-    clone_depth: 1
-
-    init:
-      - call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%
-
-    before_build:
-      - cd c:\dev\TDengine
-      - md build
-
-    build_script:
-      - cd build
-      - cmake -G "NMake Makefiles" .. -DBUILD_JDBC=false
-      - nmake install
-  -
-    matrix:
-      only:
-        - image: macos
-    clone_depth: 1
-
-    build_script:
-      - mkdir debug
-      - cd debug
-      - cmake .. > /dev/null
-      - make > /dev/null
-notifications:
-- provider: Email
-  to:
-  - sangshuduo@gmail.com
-  on_build_success: true
-  on_build_failure: true
-  on_build_status_changed: true
diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 6f98693add..0000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-# Use the latest 2.1 version of CircleCI pipeline process engine. See: https://circleci.com/docs/2.0/configuration-reference
-version: 2.1
-# Use a package of configuration called an orb.
-orbs:
-  # Declare a dependency on the welcome-orb
-  welcome: circleci/welcome-orb@0.4.1
-# Orchestrate or schedule a set of jobs
-workflows:
-  # Name the workflow "welcome"
-  welcome:
-    # Run the welcome/run job in its own container
-    jobs:
-      - welcome/run
diff --git a/.drone.yml b/.drone.yml
deleted file mode 100644
index d35c104830..0000000000
--- a/.drone.yml
+++ /dev/null
@@ -1,266 +0,0 @@
----
-kind: pipeline
-name: test_amd64
-
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: gcc
-  commands:
-  - apt-get update
-  - apt-get install -y cmake build-essential 
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: test_arm64_bionic
-
-platform:
-  os: linux
-  arch: arm64
-steps:
-- name: build
-  image: arm64v8/ubuntu:bionic
-  commands:
-  - apt-get update
-  - apt-get install -y cmake build-essential
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch64 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: test_arm64_focal
-
-platform:
-  os: linux
-  arch: arm64
-
-steps:
-- name: build
-  image: arm64v8/ubuntu:focal
-  commands:
-  - echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
-  - apt-get update 
-  - apt-get install -y -qq cmake build-essential
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch64 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: test_arm64_centos7
-
-platform:
-  os: linux
-  arch: arm64
-
-steps:
-- name: build
-  image: arm64v8/centos:7
-  commands:
-  - yum install -y gcc gcc-c++ make cmake git
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch64 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: test_arm64_centos8
-
-platform:
-  os: linux
-  arch: arm64
-
-steps:
-- name: build
-  image: arm64v8/centos:8
-  commands:
-  - dnf install -y gcc gcc-c++ make cmake epel-release git libarchive
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch64 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: test_arm_bionic
-
-platform:
-  os: linux
-  arch: arm
-
-steps:
-- name: build
-  image: arm32v7/ubuntu:bionic
-  commands:
-  - apt-get update
-  - apt-get install -y cmake build-essential
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch32 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: build_trusty
-
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: ubuntu:trusty
-  commands:
-  - apt-get update
-  - apt-get install -y gcc cmake3 build-essential git binutils-2.26
- 
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: build_xenial
-
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: ubuntu:xenial
-  commands:
-  - apt-get update
-  - apt-get install -y gcc cmake build-essential
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: build_bionic
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: ubuntu:bionic
-  commands:
-  - apt-get update
-  - apt-get install -y gcc cmake build-essential
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
----
-kind: pipeline
-name: build_centos7
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: ansible/centos7-ansible
-  commands:
-  - yum install -y gcc gcc-c++ make cmake
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
-    - 3.0
\ No newline at end of file