diff --git a/captcha/.gitignore b/captcha/.gitignore
new file mode 100644
index 0000000..ef8f28f
--- /dev/null
+++ b/captcha/.gitignore
@@ -0,0 +1,111 @@
+#prjs
+*.bin
+*.build
+*.dist
+*.onefile-build
+nuitka-crash-report.xml
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
diff --git a/captcha/_run.sh b/captcha/_run.sh
index b4c1664..2cac9a1 100755
--- a/captcha/_run.sh
+++ b/captcha/_run.sh
@@ -1,3 +1,4 @@
 #!/bin/bash
 cd "$(dirname "$0")" || exit
+source venv/bin/activate
 exec python3 captcha_service.py
diff --git a/captcha/_set.sh b/captcha/_set.sh
new file mode 100755
index 0000000..e0f738f
--- /dev/null
+++ b/captcha/_set.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+cd "$(dirname "$0")" || exit
+python3 -m venv venv
+source venv/bin/activate
+pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
+#nuitka --standalone smtp.py
diff --git a/captcha/requirements.txt b/captcha/requirements.txt
new file mode 100644
index 0000000..a7f5d85
--- /dev/null
+++ b/captcha/requirements.txt
@@ -0,0 +1,2 @@
+../pymsg
+Pillow