Django2.1.2 can not found password_reset_reset

[lytty]

1. /mysite/mysite/settings.py:
   add 'password_reset' to INSTALLED_APPS
   add email setting as follows:
   EMAIL_HOST = 'smtp.qq.com'
   EMAIL_HOST_USER = '@qq.com'
   EMAIL_HOST_PASSWORD = '' EMAIL_PORT = 587
   EMAIL_USE_TLS = True
   DEFAULT_FROM_EMAIL = '*****@qq.com'
   EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'

2. copy directory "python3.7/site-packages/password_reset/templates/password_reset " to my directory "DjangoTest/mysite/templates" of my project named mysite

3. /mysite/urls.py:
   add "path('pwd_reset/', include(('password_reset.urls', 'pwd_reset'), namespace='pwd_reset'))," to urlpatterns

4. http://127.0.0.1:8000/pwd_reset/recover/ is OK, but when input user, and click "Recover My Password", get fault web as attach file
   NoReverseMatch at pwd_reset_recover.zip

[lytty]

modify my email setting:
EMAIL_HOST = 'smtp.qq.com'
EMAIL_HOST_USER = '*******@qq.com'
EMAIL_HOST_PASSWORD = '***'
EMAIL_PORT = 587
EMAIL_USE_TLS = True
DEFAULT_FROM_EMAIL = '@qq.com'
EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'