diff --git a/README.md b/README.md
new file mode 100644
index 0000000..dc940fb
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# Coeur-Morny-Cono-python
+
+todo...
diff --git a/logger/log.py b/logger/log.py
deleted file mode 100644
index 19b968a..0000000
--- a/logger/log.py
+++ /dev/null
@@ -1,26 +0,0 @@
-import time
-
-class LogLevel:
-	def __init__(self, level:float, name:str) :
-		self.level = level
-		self.name = name
-	# def level (self) -> float : return self.level
-	# def name (self) -> str : return self.name
-
-class LogLevels:
-	trace:LogLevel = LogLevel(-1,  "TRAC")
-	debug:LogLevel = LogLevel(0.1, "DBUG")
-	info:LogLevel  = LogLevel(0,   "INFO")
-	warn:LogLevel  = LogLevel(0.5, "WARN")
-	error:LogLevel = LogLevel(1,   "ERRO")
-	fatal:LogLevel = LogLevel(10,  "FTAL")
-	null:LogLevel  = LogLevel(0,   "NULL")
-
-class Log:
-	def __init__ (self, message:str, level:LogLevel) :
-		self.timestamp = time.time_ns()
-		self.level = level
-		self.message = message
-	# def timestamp (self) -> int : return self.timestamp
-	# def level (self) -> LogLevel : return self.level
-	# def message (self) -> str : return self.message
diff --git a/logger/log_appender.py b/logger/log_appender.py
deleted file mode 100644
index eeced27..0000000
--- a/logger/log_appender.py
+++ /dev/null
@@ -1,31 +0,0 @@
-from datetime import datetime
-import threading
-
-from morny.morny_system import Coeur_Def
-from .log import *
-
-if Coeur_Def.is_file_logging() :
-	log_file_archive = open(f"./logs/{time.strftime('%Y-%m-%d-%H:%M:%S.log', time.localtime())}", "x")
-	log_file = open("./log__latest.log", "a")
-
-def output (message:Log) :
-	echo = format_message(message)
-	print(echo)
-	if Coeur_Def.is_file_logging() :
-		log_file.write(echo+"\n")
-		log_file_archive.write(echo+"\n")
-
-def format_message (log:Log) -> str :
-	
-	origins = log.message.split("\n")
-	
-	message = ""
-	message += f"[{datetime.fromtimestamp(log.timestamp/1000/1000/1000).strftime('%Y-%m-%d/%H:%M:%S:%f')}]" + \
-		f"[{threading.current_thread().name }]"
-	promptNewLine = "'"*len(message)
-	message += f"[{log.level.name}]{origins[0]}"
-	for i in range(len(origins)-1) :
-		message += f"\n{promptNewLine}[{log.level.name}]{origins[i+1]}"
-	
-	return message
-	
diff --git a/logger/logger.py b/logger/logger.py
deleted file mode 100644
index 4da0fc1..0000000
--- a/logger/logger.py
+++ /dev/null
@@ -1,10 +0,0 @@
-from logger.log import Log, LogLevels
-from logger.log_appender import output
-
-
-def trace (msg:str) : output(Log(msg, LogLevels.trace))
-def debug (msg:str) : output(Log(msg, LogLevels.debug))
-def info (msg:str) : output(Log(msg, LogLevels.info))
-def warn(msg:str) : output(Log(msg, LogLevels.warn))
-def error (msg:str) : output(Log(msg, LogLevels.error))
-def fatal (msg:str) : output(Log(msg, LogLevels.fatal))
diff --git a/morny/log.py b/morny/log.py
index 9f46faa..7e84532 100644
--- a/morny/log.py
+++ b/morny/log.py
@@ -1,35 +1,21 @@
-from logger import logger as logger_impl
+from pyssage.components.restrictions import RestrictionToLog, LevelRestriction
+from pyssage.appender import ConsoleAppender
+from pyssage.formatter import SimpleFormatter
+from pyssage.log.log import levels
+from pyssage.logger import Logger
+
+
+restriction: RestrictionToLog = LevelRestriction(levels.INFO)
+
+logger: Logger = Logger(ConsoleAppender(SimpleFormatter()))
+logger.restrictions.append(restriction)
 
-class logger:
-	
-	debug_mode: bool = False
-	
-	@staticmethod
-	def trace (msg: str):
-		if (logger.debug_mode):
-			logger_impl.trace(msg)
-	
-	@staticmethod
-	def debug (msg: str):
-		if (logger.debug_mode):
-			logger_impl.debug(msg)
-	
-	@staticmethod
-	def info (msg: str):
-		logger_impl.info(msg)
-	
-	@staticmethod
-	def warn (msg: str):
-		logger_impl.warn(msg)
-	
-	@staticmethod
-	def error (msg: str):
-		logger_impl.error(msg)
-	
-	@staticmethod
-	def fatal (msg: str):
-		logger_impl.fatal(msg)
-	
 
 def set_debug_mode(mode: bool):
-	logger.debug_mode = mode
+	if mode:
+		restriction.min_level = levels.ALL
+	else:
+		restriction.min_level = levels.INFO
+
+def is_debug_mode () -> bool:
+	return restriction.min_level < levels.INFO
diff --git a/morny/server_main.py b/morny/server_main.py
index 2673716..ec3c2fd 100644
--- a/morny/server_main.py
+++ b/morny/server_main.py
@@ -97,7 +97,7 @@ def main():
 		for __arg in _unknownArgs:
 			logger.warn(f"  {__arg}")
 	
-	if (logger.debug_mode):
+	if (log.is_debug_mode()):
 		logger.warn("Debug log output enabled.\n  It may lower your performance, make sure that you are not in production environment.")
 	logger.debug("Debug log output enabled.")
 	
diff --git a/morny/util/str.py b/morny/util/str.py
index 9417a49..415949d 100644
--- a/morny/util/str.py
+++ b/morny/util/str.py
@@ -4,16 +4,4 @@ def strm(*strs: str) -> str:
 		output += strs[i]
 		output += "\n"
 	output += strs[len(strs)-1]
-	return output
-
-# test for this
-if __name__ == "__main__":
-	
-	print(strm(
-		"Aaa",
-		"  bbb",
-		"  ccc",
-		"Xxx",
-		"  yyy"
-	))
-	
\ No newline at end of file
+	return output
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index a9bf125..270d1cc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,11 +4,14 @@ version = "0.1.2+coeur1.0.0-RC3.7"
 description = "A Coeur-Morny-Cono rewrite by python3"
 authors = ["Eyre_S <sukazyo@outlook.com>"]
 readme = "README.md"
-packages = [{include = "morny_coeur_python"}]
+packages = [
+	{include = "morny"}
+]
 
 [tool.poetry.dependencies]
 python = "^3.10"
 python-telegram-bot = "^13.14"
+pyssage = { git = "https://github.com/suk-ws/pyssage", tag="0.1.0" }
 
 
 [build-system]