feat(system):优化后端

1.新增后端测试
2.增加了后端的加密
3.增加了i18n（国际化）

alembic.ini

@@ -0,0 +1,58 @@
+# A generic, single database configuration.
+
+[alembic]
+# 迁移脚本目录
+script_location = alembic
+
+# 默认时间戳模板
+file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+
+# 时区
+timezone = Asia/Shanghai
+
+# Path to alembic version_path（多环境可以分目录）
+version_locations = alembic/versions
+
+# 数据库 URL：留空，由 env.py 从环境变量动态读取
+sqlalchemy.url =
+
+[post_write_hooks]
+# 默认不做格式化；如需可启用 black
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 88 REVISION_SCRIPT_FILENAME
+
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARNING
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARNING
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S