diff --git a/Basis/Api.py b/Basis/Api.py
new file mode 100644
index 0000000..213576b
--- /dev/null
+++ b/Basis/Api.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import json
+from gevent import pywsgi
+from Basis.Logger import logging
+from Basis.Constant import Version
+from flask import Flask, Response, request
+
+webPath = '/'  # root of api server
+webApi = Flask(__name__)  # init flask server
+
+
+def jsonResponse(data: dict) -> Response:
+    return Response(json.dumps(data), mimetype = 'application/json')
+
+
+@webApi.route('/version', methods = ['GET'])
+def getVersion() -> Response:
+    logging.debug('get version -> %s' + Version)
+    return jsonResponse({
+        'version': Version
+    })
+
+
+def startServer(apiPort: int = 7839, apiToken: str = '', isWsgi: bool = True) -> None:
+    global webApi, webPath
+    logging.warning(
+        'start api server at http://:%i/' % apiPort + (' (enable WSGI)' if isWsgi else '')
+    )
+    logging.warning('server ' + ('without token' if apiToken == '' else 'api token -> %s' % apiToken))
+    if not isWsgi:
+        webApi.run(host = '0.0.0.0', port = apiPort, debug = True, threaded = True)  # ordinary server (for debug)
+    else:
+        server = pywsgi.WSGIServer(('0.0.0.0', apiPort), webApi)  # powered by gevent
+        server.serve_forever()
diff --git a/Basis/Compile.py b/Basis/Compile.py
index e0e5f7f..c599130 100644
--- a/Basis/Compile.py
+++ b/Basis/Compile.py
@@ -5,7 +5,7 @@ import compileall
 from Basis.Logger import logging
 
 
-def startCompile(dirRange: str = '/'):
+def startCompile(dirRange: str = '/') -> None:
     for optimize in [-1, 1, 2]:
-        logging.warning('start compile -> %s (optimize = %i)' %(dirRange, optimize))
+        logging.warning('start python compile -> %s (optimize = %i)' % (dirRange, optimize))
         compileall.compile_dir(dirRange, quiet = 1, maxlevels = 256, optimize = optimize)
diff --git a/Basis/Constant.py b/Basis/Constant.py
index f974176..4fc0eb6 100644
--- a/Basis/Constant.py
+++ b/Basis/Constant.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
-version = 'dev'
+Version = 'dev'
 
 # Shadowsocks Info
 ssMethods = { # methods support of different Shadowsocks project
@@ -69,7 +69,7 @@ ssAllMethods = set()
 ssAllMethods = sorted(list(ssAllMethods))  # methods of Shadowsocks
 
 # Plugin Info
-plugins = {
+Plugins = {
     'simple-obfs': ['obfs-local', 'obfs-server'],
     'simple-tls': ['simple-tls'],
     'v2ray': ['v2ray-plugin'],
@@ -84,9 +84,9 @@ plugins = {
     'gun': ['gun-plugin'],
 }
 
-plugins = {x: [plugins[x][0], plugins[x][1 if len(plugins[x]) == 2 else 0]] for x in plugins}
-plugins = {x: {'client': plugins[x][0], 'server': plugins[x][1]} for x in plugins}  # format plugins info
-pluginClients = [plugins[x]['client'] for x in plugins]  # plugin client list -> obfs-local / simple-tls / ...
+Plugins = {x: [Plugins[x][0], Plugins[x][1 if len(Plugins[x]) == 2 else 0]] for x in Plugins}
+Plugins = {x: {'client': Plugins[x][0], 'server': Plugins[x][1]} for x in Plugins}  # format plugins info
+pluginClients = [Plugins[x]['client'] for x in Plugins]  # plugin client list -> obfs-local / simple-tls / ...
 
 # ShadowsocksR Info
 ssrMethods = [  # methods of ShadowsocksR
diff --git a/Basis/Logger.py b/Basis/Logger.py
index 764bf9e..383cee2 100644
--- a/Basis/Logger.py
+++ b/Basis/Logger.py
@@ -6,8 +6,8 @@ import logging
 from colorlog import ColoredFormatter
 
 logFile = 'runtime.log'
-# logLevel = logging.DEBUG
-logLevel = logging.WARNING
+logLevel = logging.DEBUG
+# logLevel = logging.WARNING
 dateFormat = '%Y-%m-%d %H:%M:%S'
 logFormat = '[%(asctime)s] [%(levelname)s] %(message)s (%(module)s.%(funcName)s)'
 logging.basicConfig(
diff --git a/Dockerfile b/Dockerfile
index b66a330..138cdb9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -478,7 +478,7 @@ FROM python:3.10-alpine3.16
 RUN \
   apk add --no-cache boost-program_options c-ares \
     ca-certificates glib libev libsodium libstdc++ mbedtls pcre redis && \
-  pip3 --no-cache-dir install colorlog flask IPy pysocks redis requests && \
+  pip3 --no-cache-dir install colorlog flask gevent IPy pysocks redis requests && \
   rm -rf $(find / -name '__pycache__') && \
   echo "daemonize yes" >> /etc/redis.conf
 COPY --from=asset /asset /
diff --git a/Tester/Plugin.py b/Tester/Plugin.py
index 6eeddd1..249c2a5 100644
--- a/Tester/Plugin.py
+++ b/Tester/Plugin.py
@@ -6,7 +6,7 @@ import re
 import json
 from Basis.Logger import logging
 from Basis.Process import Process
-from Basis.Constant import plugins
+from Basis.Constant import Plugins
 from Tester.Settings import Settings
 from Basis.Functions import genFlag, hostFormat, getAvailablePort
 
@@ -333,11 +333,11 @@ def load(proxyType: str):
                 'type': pluginType,
                 'caption': pluginTest,
                 'server': {  # plugin info for server
-                    'type': plugins[pluginType]['server'],
+                    'type': Plugins[pluginType]['server'],
                     'param': paramFill(pluginTestInfo[0]),
                 },
                 'client': {  # plugin info for client
-                    'type': plugins[pluginType]['client'],
+                    'type': Plugins[pluginType]['client'],
                     'param': paramFill(pluginTestInfo[1]),
                 },
                 'inject': ssInject if proxyType == 'ss' else trojanInject  # for some special plugins