diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 2f85352a..cc787aca 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+## 3.0.0 (2020-03-07)
+
+**Changed**
+
+- replace logging with [loguru](https://github.com/Delgan/loguru)
+
 ## 2.5.7 (2020-02-21)
 
 **Changed**
diff --git a/httprunner/__init__.py b/httprunner/__init__.py
index a162fa0f..3ef27ae5 100644
--- a/httprunner/__init__.py
+++ b/httprunner/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "2.5.7"
+__version__ = "3.0.0-alpha"
 __description__ = "One-stop solution for HTTP(S) testing."
 
 __all__ = ["__version__", "__description__"]
diff --git a/httprunner/utils.py b/httprunner/utils.py
index ed457a4d..29cb5a96 100644
--- a/httprunner/utils.py
+++ b/httprunner/utils.py
@@ -11,8 +11,9 @@ import uuid
 from datetime import datetime
 
 import sentry_sdk
+from loguru import logger
 
-from httprunner import exceptions, logger, __version__
+from httprunner import exceptions, __version__
 from httprunner.compat import basestring, bytes, is_py2
 from httprunner.exceptions import ParamsError
 
@@ -34,7 +35,7 @@ def set_os_environ(variables_mapping):
     """
     for variable in variables_mapping:
         os.environ[variable] = variables_mapping[variable]
-        logger.log_debug("Set OS environment variable: {}".format(variable))
+        logger.debug("Set OS environment variable: {}".format(variable))
 
 
 def unset_os_environ(variables_mapping):
@@ -42,7 +43,7 @@ def unset_os_environ(variables_mapping):
     """
     for variable in variables_mapping:
         os.environ.pop(variable)
-        logger.log_debug("Unset OS environment variable: {}".format(variable))
+        logger.debug("Unset OS environment variable: {}".format(variable))
 
 
 def get_os_environ(variable_name):
@@ -117,7 +118,7 @@ def query_json(json_content, query, delimiter='.'):
             elif isinstance(json_content, dict):
                 json_content = json_content[key]
             else:
-                logger.log_error(
+                logger.error(
                     "invalid type value: {}({})".format(json_content, type(json_content)))
                 raise_flag = True
     except (KeyError, ValueError, IndexError):
@@ -126,7 +127,7 @@ def query_json(json_content, query, delimiter='.'):
     if raise_flag:
         err_msg = u"Failed to extract! => {}\n".format(query)
         err_msg += response_body
-        logger.log_error(err_msg)
+        logger.error(err_msg)
         raise exceptions.ExtractFailure(err_msg)
 
     return json_content
@@ -364,29 +365,29 @@ def print_info(info_mapping):
         content += content_format.format(key, value)
 
     content += "-" * 48 + "\n"
-    logger.log_info(content)
+    logger.info(content)
 
 
 def create_scaffold(project_name):
     """ create scaffold with specified project name.
     """
     if os.path.isdir(project_name):
-        logger.log_warning(u"Folder {} exists, please specify a new folder name.".format(project_name))
+        logger.warning(u"Folder {} exists, please specify a new folder name.".format(project_name))
         return
 
-    logger.color_print("Start to create new project: {}".format(project_name), "GREEN")
-    logger.color_print("CWD: {}\n".format(os.getcwd()), "BLUE")
+    logger.info("Start to create new project: {}".format(project_name))
+    logger.info("CWD: {}".format(os.getcwd()))
 
     def create_folder(path):
         os.makedirs(path)
         msg = "created folder: {}".format(path)
-        logger.color_print(msg, "BLUE")
+        logger.info(msg)
 
     def create_file(path, file_content=""):
         with open(path, 'w') as f:
             f.write(file_content)
         msg = "created file: {}".format(path)
-        logger.color_print(msg, "BLUE")
+        logger.info(msg)
 
     demo_api_content = """
 name: demo api
@@ -526,10 +527,10 @@ def prettify_json_file(file_list):
     """
     for json_file in set(file_list):
         if not json_file.endswith(".json"):
-            logger.log_warning("Only JSON file format can be prettified, skip: {}".format(json_file))
+            logger.warning("Only JSON file format can be prettified, skip: {}".format(json_file))
             continue
 
-        logger.color_print("Start to prettify JSON file: {}".format(json_file), "GREEN")
+        logger.info("Start to prettify JSON file: {}".format(json_file))
 
         dir_path = os.path.dirname(json_file)
         file_name, file_suffix = os.path.splitext(os.path.basename(json_file))
@@ -605,11 +606,11 @@ def dump_json_file(json_data, json_file_abs_path):
                 )
 
         msg = "dump file: {}".format(json_file_abs_path)
-        logger.color_print(msg, "BLUE")
+        logger.info(msg)
 
     except TypeError as ex:
         msg = "Failed to dump json file: {}\nReason: {}".format(json_file_abs_path, ex)
-        logger.color_print(msg, "RED")
+        logger.error(msg)
 
 
 def prepare_dump_json_file_abs_path(project_mapping, tag_name):
diff --git a/poetry.lock b/poetry.lock
index f7070bd7..a99a293f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,3 +1,17 @@
+[[package]]
+category = "main"
+description = "Asyncio support for PEP-567 contextvars backport."
+marker = "python_version < \"3.7\""
+name = "aiocontextvars"
+optional = false
+python-versions = ">=3.5"
+version = "0.2.2"
+
+[package.dependencies]
+[package.dependencies.contextvars]
+python = "<3.7"
+version = "2.4"
+
 [[package]]
 category = "main"
 description = "Classes Without Boilerplate"
@@ -57,25 +71,15 @@ colorama = "*"
 
 [[package]]
 category = "main"
-description = "Updated configparser from Python 3.7 for Python 2.6+."
-marker = "python_version < \"3\""
-name = "configparser"
+description = "PEP 567 Backport"
+marker = "python_version < \"3.7\""
+name = "contextvars"
 optional = false
-python-versions = ">=2.6"
-version = "4.0.2"
+python-versions = "*"
+version = "2.4"
 
-[package.extras]
-docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2)", "pytest-flake8", "pytest-black-multipy"]
-
-[[package]]
-category = "main"
-description = "Backports and enhancements for the contextlib module"
-marker = "python_version < \"3\""
-name = "contextlib2"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.6.0.post1"
+[package.dependencies]
+immutables = ">=0.9"
 
 [[package]]
 category = "dev"
@@ -87,12 +91,30 @@ version = "4.5.4"
 
 [[package]]
 category = "main"
-description = "Python 3.4 Enum backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4"
-marker = "python_version >= \"2.7\" and python_version < \"2.8\""
-name = "enum34"
+description = "A backport of the dataclasses module for Python 3.6"
+marker = "python_version < \"3.7\""
+name = "dataclasses"
 optional = false
 python-versions = "*"
-version = "1.1.6"
+version = "0.6"
+
+[[package]]
+category = "dev"
+description = "FastAPI framework, high performance, easy to learn, fast to code, ready for production"
+name = "fastapi"
+optional = false
+python-versions = ">=3.6"
+version = "0.49.2"
+
+[package.dependencies]
+pydantic = ">=0.32.2,<2.0.0"
+starlette = "0.12.9"
+
+[package.extras]
+all = ["requests", "aiofiles", "jinja2", "python-multipart", "itsdangerous", "pyyaml", "graphene", "ujson", "email-validator", "uvicorn", "async-exit-stack", "async-generator"]
+dev = ["pyjwt", "passlib", "autoflake", "flake8", "uvicorn", "graphene"]
+doc = ["mkdocs", "mkdocs-material", "markdown-include"]
+test = ["pytest (>=4.0.0)", "pytest-cov", "mypy", "black", "isort", "requests", "email-validator", "sqlalchemy", "peewee", "databases", "orjson", "async-exit-stack", "async-generator", "python-multipart", "aiofiles", "ujson"]
 
 [[package]]
 category = "main"
@@ -117,22 +139,12 @@ click = ">=2.0"
 itsdangerous = ">=0.21"
 
 [[package]]
-category = "main"
-description = "Backport of the functools module from Python 3.2.3 for use on 2.7 and PyPy."
-marker = "python_version < \"3\""
-name = "functools32"
+category = "dev"
+description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
+name = "h11"
 optional = false
 python-versions = "*"
-version = "3.2.3-2"
-
-[[package]]
-category = "main"
-description = "Clean single-source support for Python 3 and 2"
-marker = "python_version >= \"2.7\" and python_version < \"2.8\""
-name = "future"
-optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "0.18.2"
+version = "0.9.0"
 
 [[package]]
 category = "main"
@@ -145,6 +157,18 @@ version = "0.3.1"
 [package.dependencies]
 PyYAML = "*"
 
+[[package]]
+category = "dev"
+description = "A collection of framework independent HTTP protocol utils."
+marker = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\""
+name = "httptools"
+optional = false
+python-versions = "*"
+version = "0.1.1"
+
+[package.extras]
+test = ["Cython (0.29.14)"]
+
 [[package]]
 category = "main"
 description = "Internationalized Domain Names in Applications (IDNA)"
@@ -153,6 +177,15 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 version = "2.8"
 
+[[package]]
+category = "main"
+description = "Immutable Collections"
+marker = "python_version < \"3.7\""
+name = "immutables"
+optional = false
+python-versions = "*"
+version = "0.11"
+
 [[package]]
 category = "main"
 description = "Read metadata from Python packages"
@@ -165,18 +198,6 @@ version = "1.3.0"
 [package.dependencies]
 zipp = ">=0.5"
 
-[package.dependencies.configparser]
-python = "<3"
-version = ">=3.5"
-
-[package.dependencies.contextlib2]
-python = "<3"
-version = "*"
-
-[package.dependencies.pathlib2]
-python = "<3"
-version = "*"
-
 [package.extras]
 docs = ["sphinx", "rst.linker"]
 testing = ["packaging", "importlib-resources"]
@@ -225,10 +246,6 @@ pyrsistent = ">=0.14.0"
 setuptools = "*"
 six = ">=1.11.0"
 
-[package.dependencies.functools32]
-python = "<3"
-version = "*"
-
 [package.dependencies.importlib-metadata]
 python = "<3.8"
 version = "*"
@@ -237,6 +254,25 @@ version = "*"
 format = ["idna", "jsonpointer (>1.13)", "rfc3987", "strict-rfc3339", "webcolors"]
 format_nongpl = ["idna", "jsonpointer (>1.13)", "webcolors", "rfc3986-validator (>0.1.0)", "rfc3339-validator"]
 
+[[package]]
+category = "main"
+description = "Python logging made (stupidly) simple"
+name = "loguru"
+optional = false
+python-versions = ">=3.5"
+version = "0.4.1"
+
+[package.dependencies]
+colorama = ">=0.3.4"
+win32-setctime = ">=1.0.0"
+
+[package.dependencies.aiocontextvars]
+python = "<3.7"
+version = ">=0.2.0"
+
+[package.extras]
+dev = ["codecov (>=2.0.15)", "colorama (>=0.3.4)", "flake8 (>=3.7.7)", "isort (>=4.3.20)", "tox (>=3.9.0)", "tox-travis (>=0.12)", "pytest (>=4.6.2)", "pytest-cov (>=2.7.1)", "Sphinx (>=2.2.1)", "sphinx-autobuild (>=0.7.1)", "sphinx-rtd-theme (>=0.4.3)", "black (>=19.3b0)"]
+
 [[package]]
 category = "main"
 description = "Safely add untrusted strings to HTML/XML markup."
@@ -259,19 +295,21 @@ six = ">=1.0.0,<2.0.0"
 
 [[package]]
 category = "main"
-description = "Object-oriented filesystem paths"
-marker = "python_version < \"3\""
-name = "pathlib2"
+description = "Data validation and settings management using python 3.6 type hinting"
+name = "pydantic"
 optional = false
-python-versions = "*"
-version = "2.3.5"
+python-versions = ">=3.6"
+version = "1.4"
 
 [package.dependencies]
-six = "*"
+[package.dependencies.dataclasses]
+python = "<3.7"
+version = ">=0.6"
 
-[package.dependencies.scandir]
-python = "<3.5"
-version = "*"
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+typing_extensions = ["typing-extensions (>=3.7.2)"]
 
 [[package]]
 category = "main"
@@ -321,15 +359,6 @@ version = "0.9.1"
 [package.dependencies]
 requests = ">=2.0.1,<3.0.0"
 
-[[package]]
-category = "main"
-description = "scandir, a better directory iterator and faster os.walk()"
-marker = "python_version < \"3\""
-name = "scandir"
-optional = false
-python-versions = "*"
-version = "1.10.0"
-
 [[package]]
 category = "main"
 description = "Python client for Sentry (https://getsentry.com)"
@@ -364,6 +393,17 @@ optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*"
 version = "1.13.0"
 
+[[package]]
+category = "dev"
+description = "The little ASGI library that shines."
+name = "starlette"
+optional = false
+python-versions = ">=3.6"
+version = "0.12.9"
+
+[package.extras]
+full = ["aiofiles", "graphene", "itsdangerous", "jinja2", "python-multipart", "pyyaml", "requests", "ujson"]
+
 [[package]]
 category = "main"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
@@ -377,6 +417,38 @@ brotli = ["brotlipy (>=0.6.0)"]
 secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
 socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7,<2.0)"]
 
+[[package]]
+category = "dev"
+description = "The lightning-fast ASGI server."
+name = "uvicorn"
+optional = false
+python-versions = "*"
+version = "0.11.3"
+
+[package.dependencies]
+click = ">=7.0.0,<8.0.0"
+h11 = ">=0.8,<0.10"
+httptools = ">=0.1.0,<0.2.0"
+uvloop = ">=0.14.0"
+websockets = ">=8.0.0,<9.0.0"
+
+[[package]]
+category = "dev"
+description = "Fast implementation of asyncio event loop on top of libuv"
+marker = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\""
+name = "uvloop"
+optional = false
+python-versions = "*"
+version = "0.14.0"
+
+[[package]]
+category = "dev"
+description = "An implementation of the WebSocket Protocol (RFC 6455 & 7692)"
+name = "websockets"
+optional = false
+python-versions = ">=3.6"
+version = "8.0.2"
+
 [[package]]
 category = "dev"
 description = "The comprehensive WSGI web application library."
@@ -390,6 +462,18 @@ dev = ["pytest", "coverage", "tox", "sphinx", "pallets-sphinx-themes", "sphinx-i
 termcolor = ["termcolor"]
 watchdog = ["watchdog"]
 
+[[package]]
+category = "main"
+description = "A small Python utility to set file creation time on Windows"
+marker = "sys_platform == \"win32\""
+name = "win32-setctime"
+optional = false
+python-versions = ">=3.5"
+version = "1.0.1"
+
+[package.extras]
+dev = ["pytest (>=4.6.2)", "black (>=19.3b0)"]
+
 [[package]]
 category = "main"
 description = "Backport of pathlib-compatible object wrapper for zip files"
@@ -407,10 +491,14 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "contextlib2", "unittest2"]
 
 [metadata]
-content-hash = "843527171063a252e1b210f82037020d68f8aaed542c2d878e92d6c7e951a5f5"
-python-versions = "~2.7 || ^3.5"
+content-hash = "de60904b4e9b6fc9ac23540a8ba8b743463603d9a2c5be99e9c521d5e4f8b541"
+python-versions = "^3.6"
 
 [metadata.files]
+aiocontextvars = [
+    {file = "aiocontextvars-0.2.2-py2.py3-none-any.whl", hash = "sha256:885daf8261818767d8f7cbd79f9d4482d118f024b6586ef6e67980236a27bfa3"},
+    {file = "aiocontextvars-0.2.2.tar.gz", hash = "sha256:f027372dc48641f683c559f247bd84962becaacdc9ba711d583c3871fb5652aa"},
+]
 attrs = [
     {file = "attrs-19.3.0-py2.py3-none-any.whl", hash = "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c"},
     {file = "attrs-19.3.0.tar.gz", hash = "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"},
@@ -435,13 +523,8 @@ colorlog = [
     {file = "colorlog-4.0.2-py2.py3-none-any.whl", hash = "sha256:450f52ea2a2b6ebb308f034ea9a9b15cea51e65650593dca1da3eb792e4e4981"},
     {file = "colorlog-4.0.2.tar.gz", hash = "sha256:3cf31b25cbc8f86ec01fef582ef3b840950dea414084ed19ab922c8b493f9b42"},
 ]
-configparser = [
-    {file = "configparser-4.0.2-py2.py3-none-any.whl", hash = "sha256:254c1d9c79f60c45dfde850850883d5aaa7f19a23f13561243a050d5a7c3fe4c"},
-    {file = "configparser-4.0.2.tar.gz", hash = "sha256:c7d282687a5308319bf3d2e7706e575c635b0a470342641c93bea0ea3b5331df"},
-]
-contextlib2 = [
-    {file = "contextlib2-0.6.0.post1-py2.py3-none-any.whl", hash = "sha256:3355078a159fbb44ee60ea80abd0d87b80b78c248643b49aa6d94673b413609b"},
-    {file = "contextlib2-0.6.0.post1.tar.gz", hash = "sha256:01f490098c18b19d2bd5bb5dc445b2054d2fa97f09a4280ba2c5f3c394c8162e"},
+contextvars = [
+    {file = "contextvars-2.4.tar.gz", hash = "sha256:f38c908aaa59c14335eeea12abea5f443646216c4e29380d7bf34d2018e2c39e"},
 ]
 coverage = [
     {file = "coverage-4.5.4-cp26-cp26m-macosx_10_12_x86_64.whl", hash = "sha256:eee64c616adeff7db37cc37da4180a3a5b6177f5c46b187894e633f088fb5b28"},
@@ -477,11 +560,13 @@ coverage = [
     {file = "coverage-4.5.4-cp38-cp38-macosx_10_13_x86_64.whl", hash = "sha256:141f08ed3c4b1847015e2cd62ec06d35e67a3ac185c26f7635f4406b90afa9c5"},
     {file = "coverage-4.5.4.tar.gz", hash = "sha256:e07d9f1a23e9e93ab5c62902833bf3e4b1f65502927379148b6622686223125c"},
 ]
-enum34 = [
-    {file = "enum34-1.1.6-py2-none-any.whl", hash = "sha256:6bd0f6ad48ec2aa117d3d141940d484deccda84d4fcd884f5c3d93c23ecd8c79"},
-    {file = "enum34-1.1.6-py3-none-any.whl", hash = "sha256:644837f692e5f550741432dd3f223bbb9852018674981b1664e5dc339387588a"},
-    {file = "enum34-1.1.6.tar.gz", hash = "sha256:8ad8c4783bf61ded74527bffb48ed9b54166685e4230386a9ed9b1279e2df5b1"},
-    {file = "enum34-1.1.6.zip", hash = "sha256:2d81cbbe0e73112bdfe6ef8576f2238f2ba27dd0d55752a776c41d38b7da2850"},
+dataclasses = [
+    {file = "dataclasses-0.6-py3-none-any.whl", hash = "sha256:454a69d788c7fda44efd71e259be79577822f5e3f53f029a22d08004e951dc9f"},
+    {file = "dataclasses-0.6.tar.gz", hash = "sha256:6988bd2b895eef432d562370bb707d540f32f7360ab13da45340101bc2307d84"},
+]
+fastapi = [
+    {file = "fastapi-0.49.2-py3-none-any.whl", hash = "sha256:e3b479c61d8a02ec6c80ebbc2ee2d621a32855ffffedd55fd5f2993c6dbdcc1e"},
+    {file = "fastapi-0.49.2.tar.gz", hash = "sha256:68395725aac4342896b4f9aa335c7e7fb773b565df7f96e964e24bffb84dc5a3"},
 ]
 filetype = [
     {file = "filetype-1.0.5-py2.py3-none-any.whl", hash = "sha256:4967124d982a71700d94a08c49c4926423500e79382a92070f5ab248d44fe461"},
@@ -491,21 +576,50 @@ flask = [
     {file = "Flask-0.12.4-py2.py3-none-any.whl", hash = "sha256:6c02dbaa5a9ef790d8219bdced392e2d549c10cd5a5ba4b6aa65126b2271af29"},
     {file = "Flask-0.12.4.tar.gz", hash = "sha256:2ea22336f6d388b4b242bc3abf8a01244a8aa3e236e7407469ef78c16ba355dd"},
 ]
-functools32 = [
-    {file = "functools32-3.2.3-2.tar.gz", hash = "sha256:f6253dfbe0538ad2e387bd8fdfd9293c925d63553f5813c4e587745416501e6d"},
-    {file = "functools32-3.2.3-2.zip", hash = "sha256:89d824aa6c358c421a234d7f9ee0bd75933a67c29588ce50aaa3acdf4d403fa0"},
-]
-future = [
-    {file = "future-0.18.2.tar.gz", hash = "sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"},
+h11 = [
+    {file = "h11-0.9.0-py2.py3-none-any.whl", hash = "sha256:4bc6d6a1238b7615b266ada57e0618568066f57dd6fa967d1290ec9309b2f2f1"},
+    {file = "h11-0.9.0.tar.gz", hash = "sha256:33d4bca7be0fa039f4e84d50ab00531047e53d6ee8ffbc83501ea602c169cae1"},
 ]
 har2case = [
     {file = "har2case-0.3.1-py2.py3-none-any.whl", hash = "sha256:84d3a5cc9fbb16e45372e7e880a936c59bbe8e9b66bad81927769e64f608e2af"},
     {file = "har2case-0.3.1.tar.gz", hash = "sha256:8f159ec7cba82ec4282f46af4a9dac89f65e62796521b2426d3c89c3c9fd8579"},
 ]
+httptools = [
+    {file = "httptools-0.1.1-cp35-cp35m-macosx_10_13_x86_64.whl", hash = "sha256:a2719e1d7a84bb131c4f1e0cb79705034b48de6ae486eb5297a139d6a3296dce"},
+    {file = "httptools-0.1.1-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:fa3cd71e31436911a44620473e873a256851e1f53dee56669dae403ba41756a4"},
+    {file = "httptools-0.1.1-cp36-cp36m-macosx_10_13_x86_64.whl", hash = "sha256:86c6acd66765a934e8730bf0e9dfaac6fdcf2a4334212bd4a0a1c78f16475ca6"},
+    {file = "httptools-0.1.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:bc3114b9edbca5a1eb7ae7db698c669eb53eb8afbbebdde116c174925260849c"},
+    {file = "httptools-0.1.1-cp36-cp36m-win_amd64.whl", hash = "sha256:ac0aa11e99454b6a66989aa2d44bca41d4e0f968e395a0a8f164b401fefe359a"},
+    {file = "httptools-0.1.1-cp37-cp37m-macosx_10_13_x86_64.whl", hash = "sha256:96da81e1992be8ac2fd5597bf0283d832287e20cb3cfde8996d2b00356d4e17f"},
+    {file = "httptools-0.1.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:56b6393c6ac7abe632f2294da53f30d279130a92e8ae39d8d14ee2e1b05ad1f2"},
+    {file = "httptools-0.1.1-cp37-cp37m-win_amd64.whl", hash = "sha256:96eb359252aeed57ea5c7b3d79839aaa0382c9d3149f7d24dd7172b1bcecb009"},
+    {file = "httptools-0.1.1-cp38-cp38-macosx_10_13_x86_64.whl", hash = "sha256:fea04e126014169384dee76a153d4573d90d0cbd1d12185da089f73c78390437"},
+    {file = "httptools-0.1.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:3592e854424ec94bd17dc3e0c96a64e459ec4147e6d53c0a42d0ebcef9cb9c5d"},
+    {file = "httptools-0.1.1-cp38-cp38-win_amd64.whl", hash = "sha256:0a4b1b2012b28e68306575ad14ad5e9120b34fccd02a81eb08838d7e3bbb48be"},
+    {file = "httptools-0.1.1.tar.gz", hash = "sha256:41b573cf33f64a8f8f3400d0a7faf48e1888582b6f6e02b82b9bd4f0bf7497ce"},
+]
 idna = [
     {file = "idna-2.8-py2.py3-none-any.whl", hash = "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"},
     {file = "idna-2.8.tar.gz", hash = "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407"},
 ]
+immutables = [
+    {file = "immutables-0.11-cp35-cp35m-macosx_10_13_x86_64.whl", hash = "sha256:bce27277a2fe91509cca69181971ab509c2ee862e8b37b09f26b64f90e8fe8fb"},
+    {file = "immutables-0.11-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:c7eb2d15c35c73bb168c002c6ea145b65f40131e10dede54b39db0b72849b280"},
+    {file = "immutables-0.11-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:2de2ec8dde1ca154f811776a8cbbeaea515c3b226c26036eab6484530eea28e0"},
+    {file = "immutables-0.11-cp35-cp35m-win32.whl", hash = "sha256:e87bd941cb4dfa35f16e1ff4b2d99a2931452dcc9cfd788dc8fe513f3d38551e"},
+    {file = "immutables-0.11-cp35-cp35m-win_amd64.whl", hash = "sha256:0aa055c745510238cbad2f1f709a37a1c9e30a38594de3b385e9876c48a25633"},
+    {file = "immutables-0.11-cp36-cp36m-macosx_10_13_x86_64.whl", hash = "sha256:422c7d4c75c88057c625e32992248329507bca180b48cfb702b4ef608f581b50"},
+    {file = "immutables-0.11-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:f5b93248552c9e7198558776da21c9157d3f70649905d7fdc083c2ab2fbc6088"},
+    {file = "immutables-0.11-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:b268422a5802fbf934152b835329ac0d23b80b558eaee68034d45718edab4a11"},
+    {file = "immutables-0.11-cp36-cp36m-win32.whl", hash = "sha256:0f07c58122e1ce70a7165e68e18e795ac5fe94d7fee3e045ffcf6432602026df"},
+    {file = "immutables-0.11-cp36-cp36m-win_amd64.whl", hash = "sha256:b8fed714f1c84a3242c7184838f5e9889139a22bbdd701a182b7fdc237ca3cbb"},
+    {file = "immutables-0.11-cp37-cp37m-macosx_10_13_x86_64.whl", hash = "sha256:518f20945c1f600b618fb691922c2ab43b193f04dd2d4d2823220d0202014670"},
+    {file = "immutables-0.11-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:2c536ff2bafeeff9a7865ea10a17a50f90b80b585e31396c349e8f57b0075bd4"},
+    {file = "immutables-0.11-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:1c2e729aab250be0de0c13fa833241a778b51390ee2650e0457d1e45b318c441"},
+    {file = "immutables-0.11-cp37-cp37m-win32.whl", hash = "sha256:545186faab9237c102b8bcffd36d71f0b382174c93c501e061de239753cff694"},
+    {file = "immutables-0.11-cp37-cp37m-win_amd64.whl", hash = "sha256:6b6d8d035e5888baad3db61dfb167476838a63afccecd927c365f228bb55754c"},
+    {file = "immutables-0.11.tar.gz", hash = "sha256:d6850578a0dc6530ac19113cfe4ddc13903df635212d498f176fe601a8a5a4a3"},
+]
 importlib-metadata = [
     {file = "importlib_metadata-1.3.0-py2.py3-none-any.whl", hash = "sha256:d95141fbfa7ef2ec65cfd945e2af7e5a6ddbd7c8d9a25e66ff3be8e3daf9f60f"},
     {file = "importlib_metadata-1.3.0.tar.gz", hash = "sha256:073a852570f92da5f744a3472af1b61e28e9f78ccf0c9117658dc32b15de7b45"},
@@ -525,6 +639,10 @@ jsonschema = [
     {file = "jsonschema-3.2.0-py2.py3-none-any.whl", hash = "sha256:4e5b3cf8216f577bee9ce139cbe72eca3ea4f292ec60928ff24758ce626cd163"},
     {file = "jsonschema-3.2.0.tar.gz", hash = "sha256:c8a85b28d377cc7737e46e2d9f2b4f44ee3c0e1deac6bf46ddefc7187d30797a"},
 ]
+loguru = [
+    {file = "loguru-0.4.1-py3-none-any.whl", hash = "sha256:074b3caa6748452c1e4f2b302093c94b65d5a4c5a4d7743636b4121e06437b0e"},
+    {file = "loguru-0.4.1.tar.gz", hash = "sha256:a6101fd435ac89ba5205a105a26a6ede9e4ddbb4408a6e167852efca47806d11"},
+]
 markupsafe = [
     {file = "MarkupSafe-1.1.1-cp27-cp27m-macosx_10_6_intel.whl", hash = "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161"},
     {file = "MarkupSafe-1.1.1-cp27-cp27m-manylinux1_i686.whl", hash = "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7"},
@@ -560,9 +678,21 @@ more-itertools = [
     {file = "more_itertools-5.0.0-py2-none-any.whl", hash = "sha256:c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc"},
     {file = "more_itertools-5.0.0-py3-none-any.whl", hash = "sha256:fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"},
 ]
-pathlib2 = [
-    {file = "pathlib2-2.3.5-py2.py3-none-any.whl", hash = "sha256:0ec8205a157c80d7acc301c0b18fbd5d44fe655968f5d947b6ecef5290fc35db"},
-    {file = "pathlib2-2.3.5.tar.gz", hash = "sha256:6cd9a47b597b37cc57de1c05e56fb1a1c9cc9fab04fe78c29acd090418529868"},
+pydantic = [
+    {file = "pydantic-1.4-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:07911aab70f3bc52bb845ce1748569c5e70478ac977e106a150dd9d0465ebf04"},
+    {file = "pydantic-1.4-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:012c422859bac2e03ab3151ea6624fecf0e249486be7eb8c6ee69c91740c6752"},
+    {file = "pydantic-1.4-cp36-cp36m-manylinux2010_i686.whl", hash = "sha256:61d22d36808087d3184ed6ac0d91dd71c533b66addb02e4a9930e1e30833202f"},
+    {file = "pydantic-1.4-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:f863456d3d4bf817f2e5248553dee3974c5dc796f48e6ddb599383570f4215ac"},
+    {file = "pydantic-1.4-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:bbbed364376f4a0aebb9ea452ff7968b306499a9e74f4db69b28ff2cd4043a11"},
+    {file = "pydantic-1.4-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:e27559cedbd7f59d2375bfd6eea29a330ea1a5b0589c34d6b4e0d7bec6027bbf"},
+    {file = "pydantic-1.4-cp37-cp37m-manylinux2010_i686.whl", hash = "sha256:50e4e948892a6815649ad5a9a9379ad1e5f090f17842ac206535dfaed75c6f2f"},
+    {file = "pydantic-1.4-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:8848b4eb458469739126e4c1a202d723dd092e087f8dbe3104371335f87ba5df"},
+    {file = "pydantic-1.4-cp38-cp38-manylinux1_i686.whl", hash = "sha256:831a0265a9e3933b3d0f04d1a81bba543bafbe4119c183ff2771871db70524ab"},
+    {file = "pydantic-1.4-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:47b8db7024ba3d46c3d4768535e1cf87b6c8cf92ccd81e76f4e1cb8ee47688b3"},
+    {file = "pydantic-1.4-cp38-cp38-manylinux2010_i686.whl", hash = "sha256:51f11c8bbf794a68086540da099aae4a9107447c7a9d63151edbb7d50110cf21"},
+    {file = "pydantic-1.4-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:6100d7862371115c40be55cc4b8d766a74b1d0dbaf99dbfe72bb4bac0faf89ed"},
+    {file = "pydantic-1.4-py36.py37.py38-none-any.whl", hash = "sha256:72184c1421103cca128300120f8f1185fb42a9ea73a1c9845b1c53db8c026a7d"},
+    {file = "pydantic-1.4.tar.gz", hash = "sha256:f17ec336e64d4583311249fb179528e9a2c27c8a2eaf590ec6ec2c6dece7cb3f"},
 ]
 pyrsistent = [
     {file = "pyrsistent-0.15.6.tar.gz", hash = "sha256:f3b280d030afb652f79d67c5586157c5c1355c9a58dfc7940566e28d28f3df1b"},
@@ -588,19 +718,6 @@ requests-toolbelt = [
     {file = "requests-toolbelt-0.9.1.tar.gz", hash = "sha256:968089d4584ad4ad7c171454f0a5c6dac23971e9472521ea3b6d49d610aa6fc0"},
     {file = "requests_toolbelt-0.9.1-py2.py3-none-any.whl", hash = "sha256:380606e1d10dc85c3bd47bf5a6095f815ec007be7a8b69c878507068df059e6f"},
 ]
-scandir = [
-    {file = "scandir-1.10.0-cp27-cp27m-win32.whl", hash = "sha256:92c85ac42f41ffdc35b6da57ed991575bdbe69db895507af88b9f499b701c188"},
-    {file = "scandir-1.10.0-cp27-cp27m-win_amd64.whl", hash = "sha256:cb925555f43060a1745d0a321cca94bcea927c50114b623d73179189a4e100ac"},
-    {file = "scandir-1.10.0-cp34-cp34m-win32.whl", hash = "sha256:2c712840c2e2ee8dfaf36034080108d30060d759c7b73a01a52251cc8989f11f"},
-    {file = "scandir-1.10.0-cp34-cp34m-win_amd64.whl", hash = "sha256:2586c94e907d99617887daed6c1d102b5ca28f1085f90446554abf1faf73123e"},
-    {file = "scandir-1.10.0-cp35-cp35m-win32.whl", hash = "sha256:2b8e3888b11abb2217a32af0766bc06b65cc4a928d8727828ee68af5a967fa6f"},
-    {file = "scandir-1.10.0-cp35-cp35m-win_amd64.whl", hash = "sha256:8c5922863e44ffc00c5c693190648daa6d15e7c1207ed02d6f46a8dcc2869d32"},
-    {file = "scandir-1.10.0-cp36-cp36m-win32.whl", hash = "sha256:2ae41f43797ca0c11591c0c35f2f5875fa99f8797cb1a1fd440497ec0ae4b022"},
-    {file = "scandir-1.10.0-cp36-cp36m-win_amd64.whl", hash = "sha256:7d2d7a06a252764061a020407b997dd036f7bd6a175a5ba2b345f0a357f0b3f4"},
-    {file = "scandir-1.10.0-cp37-cp37m-win32.whl", hash = "sha256:67f15b6f83e6507fdc6fca22fedf6ef8b334b399ca27c6b568cbfaa82a364173"},
-    {file = "scandir-1.10.0-cp37-cp37m-win_amd64.whl", hash = "sha256:b24086f2375c4a094a6b51e78b4cf7ca16c721dcee2eddd7aa6494b42d6d519d"},
-    {file = "scandir-1.10.0.tar.gz", hash = "sha256:4d4631f6062e658e9007ab3149a9b914f3548cb38bfb021c64f39a025ce578ae"},
-]
 sentry-sdk = [
     {file = "sentry-sdk-0.13.5.tar.gz", hash = "sha256:c6b919623e488134a728f16326c6f0bcdab7e3f59e7f4c472a90eea4d6d8fe82"},
     {file = "sentry_sdk-0.13.5-py2.py3-none-any.whl", hash = "sha256:05285942901d38c7ce2498aba50d8e87b361fc603281a5902dda98f3f8c5e145"},
@@ -609,14 +726,49 @@ six = [
     {file = "six-1.13.0-py2.py3-none-any.whl", hash = "sha256:1f1b7d42e254082a9db6279deae68afb421ceba6158efa6131de7b3003ee93fd"},
     {file = "six-1.13.0.tar.gz", hash = "sha256:30f610279e8b2578cab6db20741130331735c781b56053c59c4076da27f06b66"},
 ]
+starlette = [
+    {file = "starlette-0.12.9.tar.gz", hash = "sha256:c2ac9a42e0e0328ad20fe444115ac5e3760c1ee2ac1ff8cdb5ec915c4a453411"},
+]
 urllib3 = [
     {file = "urllib3-1.25.7-py2.py3-none-any.whl", hash = "sha256:a8a318824cc77d1fd4b2bec2ded92646630d7fe8619497b142c84a9e6f5a7293"},
     {file = "urllib3-1.25.7.tar.gz", hash = "sha256:f3c5fd51747d450d4dcf6f923c81f78f811aab8205fda64b0aba34a4e48b0745"},
 ]
+uvicorn = [
+    {file = "uvicorn-0.11.3-py3-none-any.whl", hash = "sha256:0f58170165c4495f563d8224b2f415a0829af0412baa034d6f777904613087fd"},
+    {file = "uvicorn-0.11.3.tar.gz", hash = "sha256:6fdaf8e53bf1b2ddf0fe9ed06079b5348d7d1d87b3365fe2549e6de0d49e631c"},
+]
+uvloop = [
+    {file = "uvloop-0.14.0-cp35-cp35m-macosx_10_11_x86_64.whl", hash = "sha256:08b109f0213af392150e2fe6f81d33261bb5ce968a288eb698aad4f46eb711bd"},
+    {file = "uvloop-0.14.0-cp35-cp35m-manylinux2010_x86_64.whl", hash = "sha256:4544dcf77d74f3a84f03dd6278174575c44c67d7165d4c42c71db3fdc3860726"},
+    {file = "uvloop-0.14.0-cp36-cp36m-macosx_10_11_x86_64.whl", hash = "sha256:b4f591aa4b3fa7f32fb51e2ee9fea1b495eb75b0b3c8d0ca52514ad675ae63f7"},
+    {file = "uvloop-0.14.0-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:f07909cd9fc08c52d294b1570bba92186181ca01fe3dc9ffba68955273dd7362"},
+    {file = "uvloop-0.14.0-cp37-cp37m-macosx_10_11_x86_64.whl", hash = "sha256:afd5513c0ae414ec71d24f6f123614a80f3d27ca655a4fcf6cabe50994cc1891"},
+    {file = "uvloop-0.14.0-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:e7514d7a48c063226b7d06617cbb12a14278d4323a065a8d46a7962686ce2e95"},
+    {file = "uvloop-0.14.0-cp38-cp38-macosx_10_11_x86_64.whl", hash = "sha256:bcac356d62edd330080aed082e78d4b580ff260a677508718f88016333e2c9c5"},
+    {file = "uvloop-0.14.0-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:4315d2ec3ca393dd5bc0b0089d23101276778c304d42faff5dc4579cb6caef09"},
+    {file = "uvloop-0.14.0.tar.gz", hash = "sha256:123ac9c0c7dd71464f58f1b4ee0bbd81285d96cdda8bc3519281b8973e3a461e"},
+]
+websockets = [
+    {file = "websockets-8.0.2-cp36-cp36m-macosx_10_6_intel.whl", hash = "sha256:e906128532a14b9d264a43eb48f9b3080d53a9bda819ab45bf56b8039dc606ac"},
+    {file = "websockets-8.0.2-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:83e63aa73331b9ca21af61df8f115fb5fbcba3f281bee650a4ad16a40cd1ef15"},
+    {file = "websockets-8.0.2-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:e9102043a81cdc8b7c8032ff4bce39f6229e4ac39cb2010946c912eeb84e2cb6"},
+    {file = "websockets-8.0.2-cp36-cp36m-win32.whl", hash = "sha256:8d7a20a2f97f1e98c765651d9fb9437201a9ccc2c70e94b0270f1c5ef29667a3"},
+    {file = "websockets-8.0.2-cp36-cp36m-win_amd64.whl", hash = "sha256:c82e286555f839846ef4f0fdd6910769a577952e1e26aa8ee7a6f45f040e3c2b"},
+    {file = "websockets-8.0.2-cp37-cp37m-macosx_10_6_intel.whl", hash = "sha256:73ce69217e4655783ec72ce11c151053fcbd5b837cc39de7999e19605182e28a"},
+    {file = "websockets-8.0.2-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:8c77f7d182a6ea2a9d09c2612059f3ad859a90243e899617137ee3f6b7f2b584"},
+    {file = "websockets-8.0.2-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:a7affaeffbc5d55681934c16bb6b8fc82bb75b175e7fd4dcca798c938bde8dda"},
+    {file = "websockets-8.0.2-cp37-cp37m-win32.whl", hash = "sha256:f5cb2683367e32da6a256b60929a3af9c29c212b5091cf5bace9358d03011bf5"},
+    {file = "websockets-8.0.2-cp37-cp37m-win_amd64.whl", hash = "sha256:049e694abe33f8a1d99969fee7bfc0ae6761f7fd5f297c58ea933b27dd6805f2"},
+    {file = "websockets-8.0.2.tar.gz", hash = "sha256:882a7266fa867a2ebb2c0baaa0f9159cabf131cf18c1b4270d79ad42f9208dc5"},
+]
 werkzeug = [
     {file = "Werkzeug-0.16.0-py2.py3-none-any.whl", hash = "sha256:e5f4a1f98b52b18a93da705a7458e55afb26f32bff83ff5d19189f92462d65c4"},
     {file = "Werkzeug-0.16.0.tar.gz", hash = "sha256:7280924747b5733b246fe23972186c6b348f9ae29724135a6dfc1e53cea433e7"},
 ]
+win32-setctime = [
+    {file = "win32_setctime-1.0.1-py3-none-any.whl", hash = "sha256:568fd636c68350bcc54755213fe01966fe0a6c90b386c0776425944a0382abef"},
+    {file = "win32_setctime-1.0.1.tar.gz", hash = "sha256:b47e5023ec7f0b4962950902b15bc56464a380d869f59d27dbf9ab423b23e8f9"},
+]
 zipp = [
     {file = "zipp-0.6.0-py2.py3-none-any.whl", hash = "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"},
     {file = "zipp-0.6.0.tar.gz", hash = "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e"},
diff --git a/pyproject.toml b/pyproject.toml
index 28311c3a..80ab3d89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "httprunner"
-version = "2.5.7"
+version = "3.0.0-alpha"
 description = "One-stop solution for HTTP(S) testing."
 license = "Apache-2.0"
 readme = "README.md"
@@ -41,6 +41,7 @@ jsonpath = "^0.82"
 sentry-sdk = "^0.13.5"
 jsonschema = "^3.2.0"
 pydantic = "^1.4"
+loguru = "^0.4.1"
 
 [tool.poetry.dev-dependencies]
 flask = "<1.0.0"