diff --git a/Dockerfile b/Dockerfile
index b3b30c2..fd38b78 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM tiangolo/uvicorn-gunicorn-fastapi:python3.8
 
-RUN ./install_wkhtmltox buster_amd64
+RUN ./download_wkhtmltox buster_amd64
 
 RUN dpkg -i wkhtmltox_*.deb
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 077098f..fc3cbcc 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,12 +6,12 @@ services:
       - "/etc/localtime:/etc/localtime"
       - "./:/app/"
     ports:
-      - "2333:2333"
-    env_file:
-      - ".env.prod"
+      - "$PORT:$PORT"
     environment:
       - ENVIRONMENT=prod
+      - HOST=$HOST
+      - PORT=$PORT
       - APP_MODULE=bot:app
-      - SECRET
-      - ACCESS_TOKEN
+      # - SECRET=$SECRET
+      # - ACCESS_TOKEN=$ACCESS_TOKEN
     network_mode: bridge
diff --git a/src/libs/github/__init__.py b/src/libs/github/__init__.py
new file mode 100644
index 0000000..5177e51
--- /dev/null
+++ b/src/libs/github/__init__.py
@@ -0,0 +1,322 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@Author         : yanyongyu
+@Date           : 2021-03-09 17:13:37
+@LastEditors    : yanyongyu
+@LastEditTime   : 2021-03-09 18:36:19
+@Description    : None
+@GitHub         : https://github.com/yanyongyu
+"""
+__author__ = "yanyongyu"
+
+import time
+import datetime
+from typing import List, Optional
+from typing_extensions import Literal
+
+from .request import Requester
+
+DEFAULT_BASE_URL = "https://api.github.com"
+DEFAULT_STATUS_URL = "https://status.github.com"
+DEFAULT_TIMEOUT = 15
+DEFAULT_PER_PAGE = 30
+
+
+class Github:
+
+    def __init__(self,
+                 token_or_client_id: Optional[str] = None,
+                 client_secret: Optional[str] = None,
+                 base_url: str = DEFAULT_BASE_URL,
+                 timeout: int = DEFAULT_TIMEOUT,
+                 user_agent: str = "Python/GitHub",
+                 per_page: int = DEFAULT_PER_PAGE,
+                 retry: Optional[int] = None,
+                 verify: bool = True):
+        self._requester = Requester(token_or_client_id, client_secret, base_url,
+                                    timeout, user_agent, per_page, verify,
+                                    retry)
+
+    @property
+    def oauth_scopes(self):
+        """
+        :type: list of string
+        """
+        return self._requester.oauth_scopes
+
+    def get_rate_limit(self):
+        """
+        GET /rate_limit
+        
+        https://docs.github.com/en/rest/reference/rate-limit#get-rate-limit-status-for-the-authenticated-user
+        """
+        headers, data = self._requester.requestJsonAndCheck(
+            "GET", "/rate_limit")
+        return RateLimit.RateLimit(self._requester, headers, data["resources"],
+                                   True)
+
+    def get_license(self, key: str):
+        """
+        GET /license/:license 
+        
+        https://docs.github.com/en/rest/reference/licenses#get-a-license
+        """
+
+        assert isinstance(key, str), key
+        headers, data = self._requester.requestJsonAndCheck(
+            "GET", f"/licenses/{key}")
+        return github.License.License(self._requester,
+                                      headers,
+                                      data,
+                                      completed=True)
+
+    def get_licenses(self):
+        """
+        GET /licenses 
+        
+        https://docs.github.com/en/rest/reference/licenses#get-all-commonly-used-licenses
+        """
+
+        url_parameters = dict()
+
+        return github.PaginatedList.PaginatedList(github.License.License,
+                                                  self._requester, "/licenses",
+                                                  url_parameters)
+
+    def get_events(self):
+        """
+        GET /events
+        
+        https://docs.github.com/en/rest/reference/activity#list-public-events
+        """
+
+        return github.PaginatedList.PaginatedList(github.Event.Event,
+                                                  self._requester, "/events",
+                                                  None)
+
+    def get_user(self, username: Optional[str] = None):
+        """
+        GET /users/:user
+        
+        https://docs.github.com/en/rest/reference/users#get-a-user
+        
+        GET /user
+        https://docs.github.com/en/rest/reference/users#get-the-authenticated-user
+        """
+        if not username:
+            return AuthenticatedUser.AuthenticatedUser(self._requester, {},
+                                                       {"url": "/user"},
+                                                       completed=False)
+        else:
+            headers, data = self._requester.requestJsonAndCheck(
+                "GET", f"/users/{username}")
+            return github.NamedUser.NamedUser(self._requester,
+                                              headers,
+                                              data,
+                                              completed=True)
+
+    def get_users(self, since: Optional[int] = None):
+        """
+        GET /users
+        
+        https://docs.github.com/en/rest/reference/users#list-users
+        """
+        url_parameters = dict()
+        if since is not None:
+            url_parameters["since"] = since
+        return github.PaginatedList.PaginatedList(github.NamedUser.NamedUser,
+                                                  self._requester, "/users",
+                                                  url_parameters)
+
+    def get_organization(self, org):
+        """
+        GET /orgs/:org
+        
+        https://docs.github.com/en/rest/reference/orgs#get-an-organization
+        """
+        headers, data = self._requester.requestJsonAndCheck(
+            "GET", f"/orgs/{org}")
+        return github.Organization.Organization(self._requester,
+                                                headers,
+                                                data,
+                                                completed=True)
+
+    def get_organizations(self, since: Optional[int] = None):
+        """
+        GET /organizations
+        
+        https://docs.github.com/en/rest/reference/orgs#list-organizations
+        """
+        url_parameters = dict()
+        if since is not None:
+            url_parameters["since"] = since
+        return github.PaginatedList.PaginatedList(
+            github.Organization.Organization,
+            self._requester,
+            "/organizations",
+            url_parameters,
+        )
+
+    def get_repo(self, full_name: str, lazy: bool = False):
+        """
+        GET /repos/:owner/:repo
+        
+        https://docs.github.com/en/rest/reference/repos#get-a-repository
+        """
+        url = f"/repos/{full_name}"
+        if lazy:
+            return Repository.Repository(self._requester, {}, {"url": url},
+                                         completed=False)
+        headers, data = self._requester.requestJsonAndCheck("GET", url)
+        return Repository.Repository(self._requester,
+                                     headers,
+                                     data,
+                                     completed=True)
+
+    def get_repos(
+            self,
+            since: Optional[int] = None,
+            visibility: Literal["all", "public", "private", None] = None,
+            affiliation: Optional[List[Literal["owner", "collaborator",
+                                               "organization_member"]]] = None,
+            type: Optional[Literal["all", "owner", "public", "private",
+                                   "member"]] = None,
+            sort: Optional[Literal["created", "updated", "pushed",
+                                   "full_name"]] = None,
+            direction: Optional[Literal["asc", "desc"]] = None):
+        """
+        GET /user/repos
+        
+        https://docs.github.com/en/rest/reference/repos#list-repositories-for-the-authenticated-user
+        """
+        url_parameters = dict()
+        if since is not None:
+            url_parameters["since"] = since
+        if visibility is not None:
+            url_parameters["visibility"] = visibility
+        if affiliation is not None:
+            url_parameters["affiliation"] = ",".join(affiliation)
+        if type is not None:
+            url_parameters["type"] = type
+        if sort is not None:
+            url_parameters["sort"] = sort
+        if direction is not None:
+            url_parameters["direction"] = direction
+        return github.PaginatedList.PaginatedList(
+            github.Repository.Repository,
+            self._requester,
+            "/repositories",
+            url_parameters,
+        )
+
+    def get_project(self, id: int):
+        """
+        GET /projects/:project_id
+        
+        https://docs.github.com/en/rest/reference/projects#get-a-project
+        """
+        headers, data = self._requester.requestJsonAndCheck(
+            "GET",
+            f"/projects/{id}",
+            headers={"Accept": Consts.mediaTypeProjectsPreview},
+        )
+        return github.Project.Project(self._requester,
+                                      headers,
+                                      data,
+                                      completed=True)
+
+    def get_project_column(self, id):
+        """
+        GET /projects/columns/:column_id
+        
+        https://docs.github.com/en/rest/reference/projects#get-a-project-column
+        """
+        headers, data = self._requester.requestJsonAndCheck(
+            "GET",
+            "/projects/columns/%d" % id,
+            headers={"Accept": Consts.mediaTypeProjectsPreview},
+        )
+        return github.ProjectColumn.ProjectColumn(self._requester,
+                                                  headers,
+                                                  data,
+                                                  completed=True)
+
+    def get_gist(self, id: str):
+        """
+        GET /gists/:id
+        
+        https://docs.github.com/en/rest/reference/gists#get-a-gist
+        """
+        headers, data = self._requester.requestJsonAndCheck(
+            "GET", f"/gists/{id}")
+        return github.Gist.Gist(self._requester, headers, data, completed=True)
+
+    def get_gists(self, since: Optional[datetime.datetime] = None):
+        """
+        GET /gists/public
+        
+        https://docs.github.com/en/rest/reference/gists#list-public-gists
+        """
+        url_parameters = dict()
+        if since:
+            url_parameters["since"] = since.strftime("%Y-%m-%dT%H:%M:%SZ")
+        return github.PaginatedList.PaginatedList(github.Gist.Gist,
+                                                  self._requester,
+                                                  "/gists/public",
+                                                  url_parameters)
+
+    def render_markdown(self,
+                        text: str,
+                        context: Optional[github.Repository.Repository] = None):
+        """
+        POST /markdown
+        
+        https://docs.github.com/en/rest/reference/markdown#render-a-markdown-document
+        """
+        post_parameters = {"text": text}
+        if context:
+            post_parameters["mode"] = "gfm"
+            post_parameters["context"] = context._identity
+        status, headers, data = self._requester.requestJson(
+            "POST", "/markdown", input=post_parameters)
+        return data
+
+    def get_hook(self, full_name: str, id: str):
+        """
+        GET /repo/:full_name/hooks/:name
+        
+        https://docs.github.com/en/rest/reference/repos#get-a-repository-webhook
+        """
+        headers, attributes = self._requester.requestJsonAndCheck(
+            "GET", f"/repos/{full_name}/hooks/{id}")
+        return HookDescription.HookDescription(self._requester,
+                                               headers,
+                                               attributes,
+                                               completed=True)
+
+    def get_hooks(self):
+        """
+        GET /repo/:full_name/hooks
+        
+        https://docs.github.com/en/rest/reference/repos#list-repository-webhooks
+        """
+        headers, data = self._requester.requestJsonAndCheck(
+            "GET", f"/repo/{full_name}/hooks")
+        return [
+            HookDescription.HookDescription(self._requester,
+                                            headers,
+                                            attributes,
+                                            completed=True)
+            for attributes in data
+        ]
+
+    def get_emojis(self):
+        """
+        GET /emojis
+        
+        https://docs.github.com/en/rest/reference/emojis#get-emojis
+        """
+        headers, attributes = self._requester.requestJsonAndCheck(
+            "GET", "/emojis")
+        return attributes
diff --git a/src/libs/github/request.py b/src/libs/github/request.py
new file mode 100644
index 0000000..9e271de
--- /dev/null
+++ b/src/libs/github/request.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@Author         : yanyongyu
+@Date           : 2021-03-09 17:34:53
+@LastEditors    : yanyongyu
+@LastEditTime   : 2021-03-09 18:36:58
+@Description    : None
+@GitHub         : https://github.com/yanyongyu
+"""
+__author__ = "yanyongyu"
+
+from typing import Optional
+
+
+class Requester:
+
+    def __init__(self, token_or_client_id: Optional[str],
+                 client_secret: Optional[str], base_url: str, timeout: int,
+                 user_agent: str, per_page: int, retry: Optional[int],
+                 verify: bool):
+        pass
diff --git a/src/plugins/github/config.py b/src/plugins/github/config.py
index 8700b0f..b29fb87 100644
--- a/src/plugins/github/config.py
+++ b/src/plugins/github/config.py
@@ -4,17 +4,22 @@
 @Author         : yanyongyu
 @Date           : 2020-09-21 19:05:28
 @LastEditors    : yanyongyu
-@LastEditTime   : 2020-10-04 15:10:41
+@LastEditTime   : 2021-03-09 16:23:44
 @Description    : None
 @GitHub         : https://github.com/yanyongyu
 """
 __author__ = "yanyongyu"
 
+from typing import Optional
+
 from pydantic import validator, BaseSettings
 
 
 class Config(BaseSettings):
     github_command_priority: int = 5
+    github_client_id: Optional[str] = None
+    github_client_secret: Optional[str] = None
+    github_redirect_uri: Optional[str] = None
 
     @validator("github_command_priority")
     def validate_priority(cls, v):
diff --git a/src/plugins/github/libs/__init__.py b/src/plugins/github/libs/__init__.py
new file mode 100644
index 0000000..b83e77c
--- /dev/null
+++ b/src/plugins/github/libs/__init__.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@Author         : yanyongyu
+@Date           : 2021-03-09 16:14:00
+@LastEditors    : yanyongyu
+@LastEditTime   : 2021-03-09 16:32:54
+@Description    : None
+@GitHub         : https://github.com/yanyongyu
+"""
+__author__ = "yanyongyu"
diff --git a/src/plugins/github/libs/auth.py b/src/plugins/github/libs/auth.py
new file mode 100644
index 0000000..e39ade9
--- /dev/null
+++ b/src/plugins/github/libs/auth.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@Author         : yanyongyu
+@Date           : 2021-03-09 16:30:16
+@LastEditors    : yanyongyu
+@LastEditTime   : 2021-03-09 16:32:14
+@Description    : None
+@GitHub         : https://github.com/yanyongyu
+"""
+__author__ = "yanyongyu"
+
+import urllib.parse
+
+from .. import github_config as config
+
+assert config.github_client_id and config.github_client_secret and config.github_redirect_uri, "GitHub OAuth Application info not fully provided! OAuth plugin will not work!"
+
+
+async def get_auth_link(username: str) -> str:
+    query = {
+        "client_id": config.github_client_id,
+        "redirect_uri": config.github_redirect_uri,
+        # FIXME: encode username?
+        "state": username
+    }
+    return f"https://github.com/login/oauth/authorize?{urllib.parse.urlencode(query)}"
diff --git a/src/plugins/github/libs/issue.py b/src/plugins/github/libs/issue.py
new file mode 100644
index 0000000..921871a
--- /dev/null
+++ b/src/plugins/github/libs/issue.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@Author         : yanyongyu
+@Date           : 2021-03-09 16:45:25
+@LastEditors    : yanyongyu
+@LastEditTime   : 2021-03-09 16:54:13
+@Description    : None
+@GitHub         : https://github.com/yanyongyu
+"""
+__author__ = "yanyongyu"
+
+
+async def get_issue(owner: str, repo: str, number: int):
+    # TODO
+    pass
diff --git a/src/plugins/github/plugins/github_auth/__init__.py b/src/plugins/github/plugins/github_auth/__init__.py
new file mode 100644
index 0000000..654f546
--- /dev/null
+++ b/src/plugins/github/plugins/github_auth/__init__.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@Author         : yanyongyu
+@Date           : 2021-03-09 16:06:34
+@LastEditors    : yanyongyu
+@LastEditTime   : 2021-03-09 16:35:50
+@Description    : None
+@GitHub         : https://github.com/yanyongyu
+"""
+__author__ = "yanyongyu"
+
+from nonebot import on_command
+from nonebot.adapters.cqhttp import Bot, PrivateMessageEvent, GroupMessageEvent
+
+from ...libs.auth import get_auth_link
+from ... import github_config as config
+
+auth = on_command("auth", priority=config.github_command_priority)
+auth.__doc__ = """
+/auth
+登录 github 账号
+"""
+
+
+@auth.handle()
+async def handle_private(bot: Bot, event: PrivateMessageEvent):
+    await auth.finish("请前往以下链接进行授权：\n" +
+                      await get_auth_link(event.get_user_id()))
+
+
+@auth.handle()
+async def handle_group(bot: Bot, event: GroupMessageEvent):
+    await auth.finish("请私聊我并使用 /auth 命令登录你的 GitHub 账号")
diff --git a/src/plugins/github/plugins/github_help/__init__.py b/src/plugins/github/plugins/github_help/__init__.py
index d7ec2fd..eceb651 100644
--- a/src/plugins/github/plugins/github_help/__init__.py
+++ b/src/plugins/github/plugins/github_help/__init__.py
@@ -4,7 +4,7 @@
 @Author         : yanyongyu
 @Date           : 2020-09-21 00:05:16
 @LastEditors    : yanyongyu
-@LastEditTime   : 2021-03-06 22:26:21
+@LastEditTime   : 2021-03-09 16:43:58
 @Description    : None
 @GitHub         : https://github.com/yanyongyu
 """
@@ -14,7 +14,7 @@ import inspect
 from functools import reduce
 
 from nonebot import on_command
-from nonebot.adapters import Bot
+from nonebot.adapters.cqhttp import Bot
 
 from ... import _sub_plugins, github_config as config
 
@@ -28,8 +28,8 @@ help.__doc__ = """
 @help.handle()
 async def handle(bot: Bot):
     matchers = reduce(lambda x, y: x.union(y.matcher), _sub_plugins, set())
-    docs = "命令列表：\n"
-    docs += "\n".join(
+    docs = "命令列表：\n\n"
+    docs += "\n\n".join(
         map(lambda x: inspect.cleandoc(x.__doc__),
             filter(lambda x: x.__doc__, matchers)))
     await help.finish(docs)
diff --git a/src/plugins/github/plugins/github_issue/__init__.py b/src/plugins/github/plugins/github_issue/__init__.py
new file mode 100644
index 0000000..b8d2c82
--- /dev/null
+++ b/src/plugins/github/plugins/github_issue/__init__.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@Author         : yanyongyu
+@Date           : 2021-03-09 15:15:02
+@LastEditors    : yanyongyu
+@LastEditTime   : 2021-03-09 16:37:02
+@Description    : None
+@GitHub         : https://github.com/yanyongyu
+"""
+__author__ = "yanyongyu"
+
+import base64
+from typing import Dict
+
+from nonebot import on_regex
+from nonebot.typing import T_State
+from nonebot.adapters.cqhttp import Bot, MessageEvent, MessageSegment
+
+from src.libs import md2img
+from ... import github_config as config
+
+issue = on_regex(
+    r"^(?P<owner>[a-zA-Z0-9][a-zA-Z0-9\-]*)/(?P<repo>[a-zA-Z0-9_\-]+)#(?P<number>\d+)$",
+    priority=config.github_command_priority)
+issue.__doc__ = """
+^owner/repo#number$
+获取指定仓库 issue / pr
+"""
+
+
+@issue.handle()
+async def handle(bot: Bot, event: MessageEvent, state: T_State):
+    group: Dict[str, str] = state["_matched_dict"]
+    owner = group["owner"]
+    repo = group["repo"]
+    number = group["number"]
+    # TODO: Get user token (optional)
+    token = None
+    # TODO: Get issue content
+    issue_content = ""
+    img = await md2img.from_string(issue_content)
+    await issue.finish(MessageSegment.image(f"base64://{base64.b64encode(img)}")
+                      )
diff --git a/src/plugins/nonebot_plugin_sentry/__init__.py b/src/plugins/nonebot_plugin_sentry/__init__.py
index 94be69e..45b1115 100644
--- a/src/plugins/nonebot_plugin_sentry/__init__.py
+++ b/src/plugins/nonebot_plugin_sentry/__init__.py
@@ -4,7 +4,7 @@
 @Author         : yanyongyu
 @Date           : 2020-11-23 18:44:25
 @LastEditors    : yanyongyu
-@LastEditTime   : 2020-11-23 22:18:01
+@LastEditTime   : 2021-03-09 16:39:07
 @Description    : None
 @GitHub         : https://github.com/yanyongyu
 """
@@ -21,6 +21,8 @@ driver = get_driver()
 global_config = driver.config
 config = Config(**global_config.dict())
 
+assert config.sentry_dsn, "Sentry DSN must provided!"
+
 sentry_sdk.init(**{
     key[7:]: value
     for key, value in config.dict().items()