diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 818a173c..16725d43 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,11 +1,12 @@
 # Release History
 
-## 3.0.2 (2020-04-09)
+## 3.0.2 (2020-04-12)
 
 **Changed**
 
 - replace jsonschema validation with pydantic
 - remove compatibility with testcase/testsuite format v1
+- make `startproject` as hrun sub-command, usage: `hrun startproject <project_name>`
 
 ## 3.0.1 (2020-03-24)
 
diff --git a/httprunner/cli.py b/httprunner/cli.py
index 2fe9fe41..f84d9af4 100644
--- a/httprunner/cli.py
+++ b/httprunner/cli.py
@@ -6,64 +6,46 @@ from loguru import logger
 
 from httprunner import __description__, __version__
 from httprunner.api import HttpRunner
+from httprunner.ext.scaffold import init_parser_scaffold, main_scaffold
 from httprunner.report import gen_html_report
-from httprunner.utils import create_scaffold
 
 
-def main():
-    """ API test: parse command line options and run commands.
-    """
-    parser = argparse.ArgumentParser(description=__description__)
-    parser.add_argument(
-        '-V', '--version', dest='version', action='store_true',
-        help="show version")
-    parser.add_argument(
+def init_parser_run(subparsers):
+    sub_parser_run = subparsers.add_parser(
+        "run", help="Run HttpRunner testcases.")
+
+    sub_parser_run.add_argument(
         'testfile_paths', nargs='*',
         help="Specify api/testcase/testsuite file paths to run.")
-    parser.add_argument(
+    sub_parser_run.add_argument(
         '--log-level', default='INFO',
         help="Specify logging level, default is INFO.")
-    parser.add_argument(
+    sub_parser_run.add_argument(
         '--log-file',
         help="Write logs to specified file path.")
-    parser.add_argument(
+    sub_parser_run.add_argument(
         '--dot-env-path',
         help="Specify .env file path, which is useful for keeping sensitive data.")
-    parser.add_argument(
+    sub_parser_run.add_argument(
         '--report-template',
         help="Specify report template path.")
-    parser.add_argument(
+    sub_parser_run.add_argument(
         '--report-dir',
         help="Specify report save directory.")
-    parser.add_argument(
+    sub_parser_run.add_argument(
         '--report-file',
         help="Specify report file path, this has higher priority than specifying report dir.")
-    parser.add_argument(
+    sub_parser_run.add_argument(
         '--save-tests', action='store_true', default=False,
         help="Save loaded/parsed/vars_out/summary json data to JSON files.")
-    parser.add_argument(
+    sub_parser_run.add_argument(
         '--failfast', action='store_true', default=False,
         help="Stop the test run on the first error or failure.")
-    parser.add_argument(
-        '--startproject',
-        help="Specify new project name.")
 
-    args = parser.parse_args()
+    return sub_parser_run
 
-    if len(sys.argv) == 1:
-        # no argument passed
-        parser.print_help()
-        sys.exit(0)
-
-    if args.version:
-        print(f"{__version__}")
-        sys.exit(0)
-
-    project_name = args.startproject
-    if project_name:
-        create_scaffold(project_name)
-        sys.exit(0)
 
+def main_run(args):
     runner = HttpRunner(
         failfast=args.failfast,
         save_tests=args.save_tests,
@@ -90,5 +72,45 @@ def main():
     sys.exit(err_code)
 
 
+def main():
+    """ API test: parse command line options and run commands.
+    """
+    parser = argparse.ArgumentParser(description=__description__)
+    parser.add_argument(
+        '-V', '--version', dest='version', action='store_true',
+        help="show version")
+
+    subparsers = parser.add_subparsers(help='sub-command help')
+    sub_parser_run = init_parser_run(subparsers)
+    sub_parser_scaffold = init_parser_scaffold(subparsers)
+
+    args = parser.parse_args()
+
+    if args.version:
+        print(f"{__version__}")
+        sys.exit(0)
+
+    if len(sys.argv) == 1:
+        # hrun
+        parser.print_help()
+        sys.exit(0)
+
+    elif sys.argv[1] == "run":
+        # hrun run
+        if len(sys.argv) == 2:
+            sub_parser_run.print_help()
+            sys.exit(0)
+
+        main_run(args)
+
+    elif sys.argv[1] == "startproject":
+        # hrun startproject
+        if len(sys.argv) == 2:
+            sub_parser_scaffold.print_help()
+            sys.exit(0)
+
+        main_scaffold(args)
+
+
 if __name__ == '__main__':
     main()
diff --git a/httprunner/ext/scaffold/__init__.py b/httprunner/ext/scaffold/__init__.py
new file mode 100644
index 00000000..2f0fd787
--- /dev/null
+++ b/httprunner/ext/scaffold/__init__.py
@@ -0,0 +1,129 @@
+import os.path
+import sys
+
+from loguru import logger
+
+
+def init_parser_scaffold(subparsers):
+    sub_parser_scaffold = subparsers.add_parser(
+        "startproject", help="Create a new project with template structure.")
+    sub_parser_scaffold.add_argument("project_name", type=str, nargs="?", help="Specify new project name.")
+    return sub_parser_scaffold
+
+
+def create_scaffold(project_name):
+    """ create scaffold with specified project name.
+    """
+    if os.path.isdir(project_name):
+        logger.warning(f"Folder {project_name} exists, please specify a new folder name.")
+        return
+
+    logger.info(f"Start to create new project: {project_name}")
+    logger.info(f"CWD: {os.getcwd()}")
+
+    def create_folder(path):
+        os.makedirs(path)
+        msg = f"created folder: {path}"
+        logger.info(msg)
+
+    def create_file(path, file_content=""):
+        with open(path, 'w') as f:
+            f.write(file_content)
+        msg = f"created file: {path}"
+        logger.info(msg)
+
+    demo_api_content = """
+name: demo api
+variables:
+    var1: value1
+    var2: value2
+request:
+    url: /api/path/$var1
+    method: POST
+    headers:
+        Content-Type: "application/json"
+    json:
+        key: $var2
+validate:
+    - eq: ["status_code", 200]
+"""
+    demo_testcase_content = """
+config:
+    name: "demo testcase"
+    variables:
+        device_sn: "ABC"
+        username: ${ENV(USERNAME)}
+        password: ${ENV(PASSWORD)}
+    base_url: "http://127.0.0.1:5000"
+
+teststeps:
+-
+    name: demo step 1
+    api: path/to/api1.yml
+    variables:
+        user_agent: 'iOS/10.3'
+        device_sn: $device_sn
+    extract:
+        token: content.token
+    validate:
+        - eq: ["status_code", 200]
+-
+    name: demo step 2
+    api: path/to/api2.yml
+    variables:
+        token: $token
+"""
+    demo_testsuite_content = """
+config:
+    name: "demo testsuite"
+    variables:
+        device_sn: "XYZ"
+    base_url: "http://127.0.0.1:5000"
+
+testcases:
+-
+    name: call demo_testcase with data 1
+    testcase: path/to/demo_testcase.yml
+    variables:
+        device_sn: $device_sn
+-
+    name: call demo_testcase with data 2
+    testcase: path/to/demo_testcase.yml
+    variables:
+        device_sn: $device_sn
+"""
+    ignore_content = "\n".join([
+        ".env",
+        "reports/*",
+        "__pycache__/*",
+        "*.pyc",
+        ".python-version",
+        "logs/*"
+    ])
+    demo_debugtalk_content = """
+import time
+
+def sleep(n_secs):
+    time.sleep(n_secs)
+"""
+    demo_env_content = "\n".join([
+        "USERNAME=leolee",
+        "PASSWORD=123456"
+    ])
+
+    create_folder(project_name)
+    create_folder(os.path.join(project_name, "api"))
+    create_folder(os.path.join(project_name, "testcases"))
+    create_folder(os.path.join(project_name, "testsuites"))
+    create_folder(os.path.join(project_name, "reports"))
+    create_file(os.path.join(project_name, "api", "demo_api.yml"), demo_api_content)
+    create_file(os.path.join(project_name, "testcases", "demo_testcase.yml"), demo_testcase_content)
+    create_file(os.path.join(project_name, "testsuites", "demo_testsuite.yml"), demo_testsuite_content)
+    create_file(os.path.join(project_name, "debugtalk.py"), demo_debugtalk_content)
+    create_file(os.path.join(project_name, ".env"), demo_env_content)
+    create_file(os.path.join(project_name, ".gitignore"), ignore_content)
+
+
+def main_scaffold(args):
+    create_scaffold(args.project_name)
+    sys.exit(0)
diff --git a/httprunner/ext/scaffold/test_scaffold.py b/httprunner/ext/scaffold/test_scaffold.py
new file mode 100644
index 00000000..6f53a213
--- /dev/null
+++ b/httprunner/ext/scaffold/test_scaffold.py
@@ -0,0 +1,19 @@
+import os
+import shutil
+import unittest
+
+from httprunner.ext.scaffold import create_scaffold
+
+
+class TestUtils(unittest.TestCase):
+
+    def test_create_scaffold(self):
+        project_name = "projectABC"
+        create_scaffold(project_name)
+        self.assertTrue(os.path.isdir(os.path.join(project_name, "api")))
+        self.assertTrue(os.path.isdir(os.path.join(project_name, "testcases")))
+        self.assertTrue(os.path.isdir(os.path.join(project_name, "testsuites")))
+        self.assertTrue(os.path.isdir(os.path.join(project_name, "reports")))
+        self.assertTrue(os.path.isfile(os.path.join(project_name, "debugtalk.py")))
+        self.assertTrue(os.path.isfile(os.path.join(project_name, ".env")))
+        shutil.rmtree(project_name)
diff --git a/httprunner/utils.py b/httprunner/utils.py
index e9c4cafa..5d8601b2 100644
--- a/httprunner/utils.py
+++ b/httprunner/utils.py
@@ -349,119 +349,6 @@ def print_info(info_mapping):
     logger.info(content)
 
 
-def create_scaffold(project_name):
-    """ create scaffold with specified project name.
-    """
-    if os.path.isdir(project_name):
-        logger.warning(f"Folder {project_name} exists, please specify a new folder name.")
-        return
-
-    logger.info(f"Start to create new project: {project_name}")
-    logger.info(f"CWD: {os.getcwd()}")
-
-    def create_folder(path):
-        os.makedirs(path)
-        msg = f"created folder: {path}"
-        logger.info(msg)
-
-    def create_file(path, file_content=""):
-        with open(path, 'w') as f:
-            f.write(file_content)
-        msg = f"created file: {path}"
-        logger.info(msg)
-
-    demo_api_content = """
-name: demo api
-variables:
-    var1: value1
-    var2: value2
-request:
-    url: /api/path/$var1
-    method: POST
-    headers:
-        Content-Type: "application/json"
-    json:
-        key: $var2
-validate:
-    - eq: ["status_code", 200]
-"""
-    demo_testcase_content = """
-config:
-    name: "demo testcase"
-    variables:
-        device_sn: "ABC"
-        username: ${ENV(USERNAME)}
-        password: ${ENV(PASSWORD)}
-    base_url: "http://127.0.0.1:5000"
-
-teststeps:
--
-    name: demo step 1
-    api: path/to/api1.yml
-    variables:
-        user_agent: 'iOS/10.3'
-        device_sn: $device_sn
-    extract:
-        - token: content.token
-    validate:
-        - eq: ["status_code", 200]
--
-    name: demo step 2
-    api: path/to/api2.yml
-    variables:
-        token: $token
-"""
-    demo_testsuite_content = """
-config:
-    name: "demo testsuite"
-    variables:
-        device_sn: "XYZ"
-    base_url: "http://127.0.0.1:5000"
-
-testcases:
--
-    name: call demo_testcase with data 1
-    testcase: path/to/demo_testcase.yml
-    variables:
-        device_sn: $device_sn
--
-    name: call demo_testcase with data 2
-    testcase: path/to/demo_testcase.yml
-    variables:
-        device_sn: $device_sn
-"""
-    ignore_content = "\n".join([
-        ".env",
-        "reports/*",
-        "__pycache__/*",
-        "*.pyc",
-        ".python-version",
-        "logs/*"
-    ])
-    demo_debugtalk_content = """
-import time
-
-def sleep(n_secs):
-    time.sleep(n_secs)
-"""
-    demo_env_content = "\n".join([
-        "USERNAME=leolee",
-        "PASSWORD=123456"
-    ])
-
-    create_folder(project_name)
-    create_folder(os.path.join(project_name, "api"))
-    create_folder(os.path.join(project_name, "testcases"))
-    create_folder(os.path.join(project_name, "testsuites"))
-    create_folder(os.path.join(project_name, "reports"))
-    create_file(os.path.join(project_name, "api", "demo_api.yml"), demo_api_content)
-    create_file(os.path.join(project_name, "testcases", "demo_testcase.yml"), demo_testcase_content)
-    create_file(os.path.join(project_name, "testsuites", "demo_testsuite.yml"), demo_testsuite_content)
-    create_file(os.path.join(project_name, "debugtalk.py"), demo_debugtalk_content)
-    create_file(os.path.join(project_name, ".env"), demo_env_content)
-    create_file(os.path.join(project_name, ".gitignore"), ignore_content)
-
-
 def gen_cartesian_product(*args):
     """ generate cartesian product for lists
 
diff --git a/httprunner/utils_test.py b/httprunner/utils_test.py
index e41761d7..d37dce91 100644
--- a/httprunner/utils_test.py
+++ b/httprunner/utils_test.py
@@ -1,6 +1,5 @@
 import io
 import os
-import shutil
 import unittest
 
 from httprunner import exceptions, loader, utils
@@ -210,17 +209,6 @@ class TestUtils(unittest.TestCase):
         self.assertEqual(id(new_data["c"]), id(data["c"]))
         # self.assertEqual(id(new_data["d"]), id(data["d"]))
 
-    def test_create_scaffold(self):
-        project_name = "projectABC"
-        utils.create_scaffold(project_name)
-        self.assertTrue(os.path.isdir(os.path.join(project_name, "api")))
-        self.assertTrue(os.path.isdir(os.path.join(project_name, "testcases")))
-        self.assertTrue(os.path.isdir(os.path.join(project_name, "testsuites")))
-        self.assertTrue(os.path.isdir(os.path.join(project_name, "reports")))
-        self.assertTrue(os.path.isfile(os.path.join(project_name, "debugtalk.py")))
-        self.assertTrue(os.path.isfile(os.path.join(project_name, ".env")))
-        shutil.rmtree(project_name)
-
     def test_cartesian_product_one(self):
         parameters_content_list = [
             [