diff --git a/ProxyBuilder/Shadowsocks.py b/ProxyBuilder/Shadowsocks.py
index 9f4780b..1164baa 100644
--- a/ProxyBuilder/Shadowsocks.py
+++ b/ProxyBuilder/Shadowsocks.py
@@ -149,10 +149,10 @@ def __baseJSON(proxyInfo, socksPort): # 生成JSON基本结构
     }
     if proxyInfo['plugin'] != '':
         jsonContent['plugin'] = proxyInfo['plugin']
-        jsonContent['plugin_opts'] = proxyInfo['pluginArg']
+        jsonContent['plugin_opts'] = proxyInfo['pluginParam']
     return jsonContent
 
-def __pluginUdpCheck(plugin, pluginArg): # 插件是否使用UDP通讯
+def __pluginUdpCheck(plugin, pluginParam): # 插件是否使用UDP通讯
     if plugin == '': # 无插件
         return False
     noUdpPlugin = [ # 不使用UDP通讯的插件
@@ -173,7 +173,7 @@ def __pluginUdpCheck(plugin, pluginArg): # 插件是否使用UDP通讯
     if plugin in onlyUdpPlugin:
         return True
     if plugin == 'v2ray-plugin' or plugin == 'xray-plugin' or plugin == 'gost-plugin':
-        if not 'mode=quic' in pluginArg.split(';'):
+        if not 'mode=quic' in pluginParam.split(';'):
             return False
     return True # 默认假定占用UDP
 
@@ -216,7 +216,7 @@ def __ssRust(proxyInfo, socksPort): # ss-rust配置文件生成
     return jsonContent, 'ss-rust-local'
 
 def load(proxyInfo, socksPort, configFile): # Shadowsocks配置载入
-    proxyInfo['udp'] = not __pluginUdpCheck(proxyInfo['plugin'], proxyInfo['pluginArg'])
+    proxyInfo['udp'] = not __pluginUdpCheck(proxyInfo['plugin'], proxyInfo['pluginParam'])
     if proxyInfo['method'] in ssMethodList['ss-libev']:
         jsonContent, ssFile = __ssLibev(proxyInfo, socksPort)
     elif proxyInfo['method'] in ssMethodList['ss-libev-legacy']:
diff --git a/ProxyBuilder/builder.py b/ProxyBuilder/builder.py
index a0ab8df..9a5fcb7 100644
--- a/ProxyBuilder/builder.py
+++ b/ProxyBuilder/builder.py
@@ -77,8 +77,10 @@ def build(proxyInfo, configDir): # 构建代理节点连接
     elif proxyType == 'ssr': # ShadowsocksR节点
         startCommand, fileContent = ShadowsocksR.load(proxyInfo, socksPort, configFile)
     else: # 未知类型
+        print("Unknown proxy type")
         return None
     if startCommand == None: # 格式出错
+        print("Format error with " + proxyType)
         return None
     try:
         with open(configFile, 'w') as fileObject:
@@ -97,6 +99,7 @@ def build(proxyInfo, configDir): # 构建代理节点连接
             stderr = subprocess.DEVNULL,
             preexec_fn = exitWithMe) # 子进程跟随退出
     except:
+        print("WARNING: Subprocess may become a Orphan Process")
         process = subprocess.Popen(startCommand,
             stdout = subprocess.DEVNULL,
             stderr = subprocess.DEVNULL) # prctl失败 回退正常启动
diff --git a/demo.py b/demo.py
index f83a2a3..ea3941c 100644
--- a/demo.py
+++ b/demo.py
@@ -8,28 +8,28 @@ import requests
 import ProxyBuilder as Builder
 import ProxyChecker as Checker
 
-# testInfo = {
-#     'type': 'ss',
-#     'server': '127.0.0.1',
-#     'port': 12345,
-#     'password': 'dnomd343',
-#     'method': 'aes-256-ctr',
-#     'plugin': '',
-#     'pluginArg': '',
-# }
-
 testInfo = {
-    'type': 'ssr',
-    "server": "127.0.0.1",
-    "port": 23456,
-    "password": "dnomd343",
-    "method": "table",
-    "protocol": "auth_aes128_md5",
-    "protocolParam": "",
-    "obfs": "tls1.2_ticket_auth",
-    "obfsParam": ""
+    'type': 'ss',
+    'server': '127.0.0.1',
+    'port': 12345,
+    'password': 'dnomd343',
+    'method': 'aes-256-ctr',
+    'plugin': '',
+    'pluginParam': '',
 }
 
+# testInfo = {
+#     'type': 'ssr',
+#     "server": "127.0.0.1",
+#     "port": 23456,
+#     "password": "dnomd343",
+#     "method": "table",
+#     "protocol": "auth_aes128_md5",
+#     "protocolParam": "",
+#     "obfs": "tls1.2_ticket_auth",
+#     "obfsParam": ""
+# }
+
 print("start")
 print(testInfo)
 task = Builder.build(testInfo, '/tmp/ProxyC')
diff --git a/test/Shadowsocks.py b/test/Shadowsocks.py
index ca79e4d..13ae286 100644
--- a/test/Shadowsocks.py
+++ b/test/Shadowsocks.py
@@ -63,7 +63,7 @@ def test(port, password):
             'password': password,
             'method': method,
             'plugin': '',
-            'pluginArg': '',
+            'pluginParam': '',
         }
         testInfo = 'Shadowsocks method ' + method
         if method == 'plain' or method == 'none':
@@ -115,7 +115,7 @@ def test(port, password):
             'password': password,
             'method': 'aes-256-ctr',
             'plugin': 'obfs-local',
-            'pluginArg': 'obfs=http;obfs-host=www.bing.com',
+            'pluginParam': 'obfs=http;obfs-host=www.bing.com',
         },
         'serverCommand': [
             'ss-bootstrap-server',