Python can'；由于mysql错误，无法运行我的服务器

我正在django中执行一个项目，当我运行我的服务器python manage.py runserver时，我得到以下错误

Performing system checks...

Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x1045406a8>
Traceback (most recent call last):
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/base.py", line 216, in ensure_connection
    self.connect()
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/base.py", line 194, in connect
    self.connection = self.get_new_connection(conn_params)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 236, in get_new_connection
    return Database.connect(**conn_params)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/MySQLdb/__init__.py", line 86, in Connect
    return Connection(*args, **kwargs)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/MySQLdb/connections.py", line 204, in __init__
    super(Connection, self).__init__(*args, **kwargs2)
_mysql_exceptions.OperationalError: (2003, "Can't connect to MySQL server on '127.0.0.1' (61)")

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/utils/autoreload.py", line 225, in wrapper
    fn(*args, **kwargs)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/core/management/commands/runserver.py", line 120, in inner_run
    self.check(display_num_errors=True)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/core/management/base.py", line 364, in check
    include_deployment_checks=include_deployment_checks,
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/core/management/base.py", line 351, in _run_checks
    return checks.run_checks(**kwargs)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/core/checks/registry.py", line 73, in run_checks
    new_errors = check(app_configs=app_configs)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/core/checks/model_checks.py", line 27, in check_all_models
    errors.extend(model.check(**kwargs))
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/models/base.py", line 1200, in check
    errors.extend(cls._check_fields(**kwargs))
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/models/base.py", line 1272, in _check_fields
    errors.extend(field.check(**kwargs))
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 894, in check
    errors = super().check(**kwargs)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 206, in check
    errors.extend(self._check_backend_specific_checks(**kwargs))
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 303, in _check_backend_specific_checks
    return connections[db].validation.check_field(self, **kwargs)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/validation.py", line 21, in check_field
    field_type = field.db_type(self.connection)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 648, in db_type
    return connection.data_types[self.get_internal_type()] % data
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/utils/functional.py", line 36, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 133, in data_types
    if self.features.supports_microsecond_precision:
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/utils/functional.py", line 36, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/mysql/features.py", line 65, in supports_microsecond_precision
    return self.connection.mysql_version >= (5, 6, 4)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/utils/functional.py", line 36, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 345, in mysql_version
    with self.temporary_connection() as cursor:
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/contextlib.py", line 81, in __enter__
    return next(self.gen)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/base.py", line 576, in temporary_connection
    cursor = self.cursor()
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/base.py", line 255, in cursor
    return self._cursor()
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/base.py", line 232, in _cursor
    self.ensure_connection()
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/base.py", line 216, in ensure_connection
    self.connect()
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/utils.py", line 89, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/base.py", line 216, in ensure_connection
    self.connect()
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/base/base.py", line 194, in connect
    self.connection = self.get_new_connection(conn_params)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 236, in get_new_connection
    return Database.connect(**conn_params)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/MySQLdb/__init__.py", line 86, in Connect
    return Connection(*args, **kwargs)
  File "/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/MySQLdb/connections.py", line 204, in __init__
    super(Connection, self).__init__(*args, **kwargs2)
django.db.utils.OperationalError: (2003, "Can't connect to MySQL server on '127.0.0.1' (61)")

正在执行系统检查。。。
由启动的线程中存在未处理的异常
回溯（最近一次呼叫最后一次）：
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/base.py”，第216行，确保连接
self.connect（）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/base.py”，第194行，在connect中
self.connection=self.get_new_connection（连接参数）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/mysql/base.py”，第236行，在get_new_connection中
返回数据库。连接（**连接参数）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/MySQLdb/_init__.py”，第86行，在Connect中
返回连接（*args，**kwargs）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/MySQLdb/connections.py”，第204行，在__
超级（连接，自）.\uuuu初始化（*args，**kwargs2）
_mysql_exceptions.OperationalError:（2003，“无法连接到'127.0.0.1'（61）”上的mysql服务器）
上述异常是以下异常的直接原因：
回溯（最近一次呼叫最后一次）：
包装器中的文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/utils/autoreload.py”，第225行
fn（*args，**kwargs）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/core/management/commands/runserver.py”，第120行，在内部运行
self.check（display\u num\u errors=True）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/core/management/base.py”，第364行，选中
包括部署检查=包括部署检查，
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/core/management/base.py”，第351行，运行检查
返回检查。运行检查（**kwargs）
运行检查中的文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/core/checks/registry.py”，第73行
新建错误=检查（应用程序配置=应用程序配置）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/core/checks/model_checks.py”，第27行，在check_all_models中
错误。扩展（模型检查（**kwargs））
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/models/base.py”，第1200行，选中
错误。扩展（cls.\U检查\U字段（**kwargs））
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/models/base.py”，第1272行，在检查字段中
错误.扩展（字段.检查（**kwargs））
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/models/fields/_-init__;.py”，第894行，选中
错误=super（）。检查（**kwargs）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/models/fields/_-init___.py”，第206行，选中
错误.扩展（自我检查后端检查特定检查（**kwargs））
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/models/fields/___init__.py”，第303行，在后端检查中
返回连接[db]。验证。检查_字段（self，**kwargs）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/validation.py”，第21行，在check_字段中
field\u type=field.db\u type（自连接）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/models/fields/_init__.py”，第648行，db_类型
返回连接。数据类型[self.get\u internal\u type（）]%data
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/utils/functional.py”，第36行，在__
res=instance.\uuuu dict\uuuu[self.name]=self.func（实例）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/mysql/base.py”，第133行，数据类型
如果self.features.supports_微秒_精度：
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/utils/functional.py”，第36行，在__
res=instance.\uuuu dict\uuuu[self.name]=self.func（实例）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/mysql/features.py”，第65行，支持微秒精度
返回self.connection.mysql_version>=（5,6,4）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/utils/functional.py”，第36行，在__
res=instance.\uuuu dict\uuuu[self.name]=self.func（实例）
mysql_版本中的文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/mysql/base.py”，第345行
使用self.temporary_connection（）作为光标：
文件“/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/contextlib.py”，第81行，输入__
返回下一个（self.gen）
临时连接中的文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/base.py”，第576行
cursor=self.cursor（）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/base.py”，光标中的第255行
返回自我。_cursor（）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/base.py”，第232行，在光标处
self.sure_连接（）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/base.py”，第216行，确保连接
self.connect（）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/utils.py”，第89行，在__
使用exc_值的_回溯（回溯）提高dj_exc_值
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/base.py”，第216行，确保连接
self.connect（）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site packages/django/db/backends/base/base.py”，第194行，在connect中
self.connection=self.get_new_connection（连接参数）
文件“/Users/x/Desktop/bakeinsta/env/lib/python3.6/site-packages/django/db/backends/mysq