diff --git a/libs/__init__.py b/libs/__init__.py
index 46ad91e..11c648c 100644
--- a/libs/__init__.py
+++ b/libs/__init__.py
@@ -1,4 +1,4 @@
-from .yuuki import Yuuki
+from .yuuki import Yuuki, Yuuki_Settings
 from .connection import Yuuki_Connection
 
-__all__ = ['Yuuki', 'Yuuki_Connection']
\ No newline at end of file
+__all__ = ['Yuuki', "Yuuki_Settings", 'Yuuki_Connection']
\ No newline at end of file
diff --git a/libs/i18n/en.py b/libs/i18n/en.py
index 77c8410..e28c183 100644
--- a/libs/i18n/en.py
+++ b/libs/i18n/en.py
@@ -18,7 +18,7 @@ class English:
     i18nText = {
         "Helllo^^\nMy name is Yuuki ><\nNice to meet you OwO": "Helllo^^\nMy name is Yuuki ><\nNice to meet you OwO",
         "Admin of the Group：\n%s": "Admin of the Group：\n%s",
-        "Sorry...\nThe number of members is not satisfied (100 needed)": "Sorry...\nThe number of members is not satisfied (100 needed)",
+        "Sorry...\nThe number of members is not satisfied (%s needed)": "Sorry...\nThe number of members is not satisfied (%s needed)",
         "LINE System UserID：\n": "LINE System UserID：\n",
         "Testing...": "Testing...",
         "Speed:\n%ss": "Speed:\n%ss",
diff --git a/libs/yuuki.py b/libs/yuuki.py
index bcd725f..31c0178 100644
--- a/libs/yuuki.py
+++ b/libs/yuuki.py
@@ -14,12 +14,26 @@ from .data import Yuuki_Data
 
 from .i18n import Yuuki_LangSetting
 
+class Yuuki_Settings:
+    """ Yuuki Custom Settings """
+
+    config = {
+        "Seq": 0,
+        "Admin": [],
+        "Default_Language": "en",
+        "GroupMebers_Demand": 100,
+        "helper_LINE_ACCESS_KEYs": []
+    }
+
 class Yuuki:
-    def __init__(self, Seq, Yuuki_Connection, helper_LINE_ACCESS_KEYs, Lang="en", Admin=[]):
-        self.Seq = Seq
-        self.Admin = Admin
+    def __init__(self, Yuuki_Settings, Yuuki_Connection):
+        self.YuukiConfigs = Yuuki_Settings.config
+
+        self.Seq = self.YuukiConfigs["Seq"]
+        self.Admin = self.YuukiConfigs["Admin"]
+
         self.data = Yuuki_Data()
-        self.i18n = Yuuki_LangSetting(Lang)
+        self.i18n = Yuuki_LangSetting(self.YuukiConfigs["Default_Language"])
 
         self.LINE_Media_server = "https://obs.line-apps.com"
 
@@ -28,7 +42,7 @@ class Yuuki:
         (self.client, self.listen) = self.Connect.connect()
         self.connectHeader = Yuuki_Connection.connectHeader
 
-        for access in helper_LINE_ACCESS_KEYs:
+        for access in self.YuukiConfigs["helper_LINE_ACCESS_KEYs"]:
             self.Connect.helperConnect(access)
 
         self.MyMID = self.client.getProfile().mid
@@ -179,13 +193,14 @@ class Yuuki:
             GroupMember = [Catched.mid for Catched in GroupInfo.members]
             if GroupInfo.members:
                 self.client.acceptGroupInvitation(self.Seq, GroupID)
-                if len(GroupMember) >= 100:
+                if len(GroupMember) >= self.YuukiConfigs["GroupMebers_Demand"]:
                     self.data.updateLog("JoinGroup", (self.data.getTime(), GroupInfo.name, GroupID, Inviter))
                     self.sendText(GroupID, _("Helllo^^\nMy name is Yuuki ><\nNice to meet you OwO"))
                     self.sendText(GroupID, _("Admin of the Group：\n%s") %
                                   (self.sybGetGroupCreator(GroupInfo).displayName,))
                 else:
-                    self.sendText(GroupID, _("Sorry...\nThe number of members is not satisfied (100 needed)"))
+                    self.sendText(GroupID, _("Sorry...\nThe number of members is not satisfied (%s needed)") %
+                                  (self.YuukiConfigs["GroupMebers_Demand"],))
                     self.client.leaveGroup(self.Seq, GroupID)
 
     def Commands(self, ncMessage):
diff --git a/main.py b/main.py
index 35b5a32..7571a96 100644
--- a/main.py
+++ b/main.py
@@ -14,6 +14,7 @@
 Admin = [""]
 Language = "en"
 LINE_ACCESS_KEY = ""
+GroupMebers_Demand = 100
 helper_LINE_ACCESS_KEYs = []
 
 ########################Initializing##########################
@@ -33,8 +34,17 @@ Connection.connectHeader = {
     'User-Agent': ''
 }
 
-Seq = 0
-Console = Yuuki(Seq, Connection, helper_LINE_ACCESS_KEYs, Language, Admin)
+Settings = Yuuki_Settings()
+
+Settings.config = {
+    "Seq": 0,
+    "Admin": Admin,
+    "Default_Language": Language,
+    "GroupMebers_Demand": GroupMebers_Demand,
+    "helper_LINE_ACCESS_KEYs": helper_LINE_ACCESS_KEYs
+}
+
+Console = Yuuki(Settings, Connection)
 Console.cleanMyGroupInvitations()
 
 ###########################Start!#############################