diff --git a/README.rst b/README.rst
index a1e8889..14e7bde 100755
--- a/README.rst
+++ b/README.rst
@@ -175,7 +175,7 @@ html 문서를 text로 변환
 설치 방법
 -------------------
 
-`설치 <http://pyufp.readthedocs.org/installation.html>`_ 문서를 참조하십시오.
+설치 문서를 참조하십시오: http://pyufp.readthedocs.org/installation.html
 
 소스 코드
 -------------------
diff --git a/changelog.rst b/changelog.rst
index 3f0d821..b78bb35 100644
--- a/changelog.rst
+++ b/changelog.rst
@@ -1,6 +1,13 @@
 변경사항
 ==============
 
+v1.5.1
+-------
+
++ tempfile.mkstemp로 생성한 파일 디스크립터가 닫기지 않았던 버그 수정. [`tb69wn6127`_]
++ 'UnicodeEncodeError: 'ascii' codec can't encode character' 버그 수정. [`tb69wn6127`_]
++ ufp.html.toText 함수에서 converter 옵션을 'w3m'으로 할 경우, 반환되는 텍스트가 bytes이던 점 수정. [`tb69wn6127`_]
+
 v1.5.0
 -------
 
diff --git a/setup.py b/setup.py
index a80ce9c..8cbebee 100755
--- a/setup.py
+++ b/setup.py
@@ -81,7 +81,7 @@ def read(fname):
 		"Topic :: System :: Shells",
 		"Topic :: Utilities",
 		"Topic :: Text Processing :: General",
-		"Topic :: Software Development :: Libraries",
+		"Topic :: Software Development :: Libraries :: Python Modules",
 		"Operating System :: Unix",
 		"Operating System :: POSIX",
 		"Operating System :: MacOS",
diff --git a/ufp/__init__.py b/ufp/__init__.py
index 553c1ed..85e9e02 100755
--- a/ufp/__init__.py
+++ b/ufp/__init__.py
@@ -4,10 +4,12 @@
 from __future__ import unicode_literals, absolute_import
 
 __title__ = 'ufp'
-__version__ = '1.5.0'
+__version__ = '1.5.1'
 __author__ = '별님'
+__author_email__ = 'w7dn1ng75r@gmail.com'
 __license__ = 'GPL v3'
 __copyright__ = 'Copyright 2015 별님'
+__url__ = 'https://github.com/Thestars3/pyufp/'
 
 from .ufp import *
 
diff --git a/ufp/gui/notepad.py b/ufp/gui/notepad.py
index 888849e..c3c89b3 100755
--- a/ufp/gui/notepad.py
+++ b/ufp/gui/notepad.py
@@ -22,13 +22,12 @@ def write(self, content):
 		:param content: 쓸 내용. list의 경우 각 항목을 줄 단위로 분할하여 기록합니다. list내에 존재하는 unicode는 그대로 기록하고, 그 외는 pprint.pformat함수를 호출하여 텍스트로 바꾸어 기록합니다. 그 외 요소는 모두 pprint.pformat함수를 호출하여 기록합니다.
 		"""
 		if isinstance(content, unicode):
-			write = content
-			pass
+			write = content.encode('UTF-8')
 		elif isinstance(content, list):
 			write = list()
 			for i in content:
 				if isinstance(i, unicode):
-					write.append(i)
+					write.append(i.encode('UTF-8'))
 				else:
 					write.append(pprint.pformat(i))
 			write = '\n'.join(write)
@@ -36,7 +35,6 @@ def write(self, content):
 			write = pprint.pformat(content)
 		self._process.stdin.write(write)
 		self._process.stdin.close()
-		pass
 	
 	def close(self):
 		"""
diff --git a/ufp/html.py b/ufp/html.py
index 79378e7..48528c9 100755
--- a/ufp/html.py
+++ b/ufp/html.py
@@ -4,7 +4,6 @@
 from __future__ import unicode_literals, absolute_import, division, print_function
 import subprocess
 import tempfile
-import os
 import pattern.web
 import tidylib
 
@@ -65,17 +64,15 @@ def toText(html, converter='pattern.web', linebreaks=10, strip=False) :
 	:rtype: unicode
 	"""
 	if converter == 'w3m':
-		tempPath = tempfile.mkstemp(prefix='.tmp_', suffix='.html')[1]
-		with open(tempPath, 'w+b') as f:
-			f.write(html)
-			pass
-		text = subprocess.check_output(['w3m', '-cols', '98304', '-dump' ,tempPath])
-		os.remove(tempPath)
+		with tempfile.NamedTemporaryFile('wb', prefix='.tmp_', suffix='.html') as tempFile:
+			tempFile.write(html.encode('UTF-8'))
+			tempFile.flush()
+			text = subprocess.check_output(['w3m', '-cols', '98304', '-dump', tempFile.name])
 		if linebreaks is not None:
 			text = pattern.web.collapse_linebreaks(text, linebreaks)
 		if strip:
 			text = text.strip()
-		return text
+		return text.deocde('UTF-8')
 	
 	if converter == 'pattern.web':
 		html = pattern.web.strip_javascript(html)
@@ -93,4 +90,4 @@ def toText(html, converter='pattern.web', linebreaks=10, strip=False) :
 			text = text.strip()
 		return text
 	
-	raise ValueError("'{0}'는 지원하지 않는 변환기입니다.".format(converter))
+	raise ValueError("'{converter}'는 지원하지 않는 변환기입니다.".format(converter=converter))
diff --git a/ufp/image.py b/ufp/image.py
index a1c2f77..6a75060 100755
--- a/ufp/image.py
+++ b/ufp/image.py
@@ -90,7 +90,7 @@ def changeColorDepth(image, colorCount):
 		change = lambda value: math.trunc(value/raito)*raito
 		return PIL.Image.eval(image, change)
 	
-	raise ValueError('{0} 모드의 이미지는 사용 할 수 없습니다.'.format(image.mode))
+	raise ValueError('{mode} 모드의 이미지는 사용 할 수 없습니다.'.format(mode=image.mode))
 
 def mostPopularEdgeColor(image):
 	"""
@@ -213,7 +213,7 @@ def trim(image, backgroundColor=None, fuzz=0):
 		
 		bbox = diff.getbbox()  # 이미지의 진짜 둘레를 찾는다.
 	else:
-		raise ValueError('{0} 모드의 이미지는 처리가 불가능 합니다.'.format(image.mode))
+		raise ValueError('{mode} 모드의 이미지는 처리가 불가능 합니다.'.format(mode=image.mode))
 	
 	if bbox:
 		image = image.crop(bbox)
diff --git a/ufp/path.py b/ufp/path.py
index 9d3e8b4..345e910 100644
--- a/ufp/path.py
+++ b/ufp/path.py
@@ -206,7 +206,7 @@ def toUrl(path):
 	:return: file:///형식으로된 주소
 	:rtype: unicode
 	"""
-	buffer = urllib.pathname2url(str(path))
+	buffer = urllib.pathname2url(path.encode('UTF-8'))
 	return urlparse.urljoin('file:', buffer)
 
 def replaceSpiecalChar(string, **options) :
@@ -321,7 +321,7 @@ def unique(targetPath, spliteExt = True) :
 	#중복되는 대상이 존재하는지 확인
 	existDuplicateFile = False;
 	buffer = re.escape(targetBasename);
-	fullmatchRe = re.compile(r"^{0}$".format(buffer), re.IGNORECASE | re.UNICODE)
+	fullmatchRe = re.compile(r"^{targetBasename}$".format(targetBasename=buffer), re.IGNORECASE | re.UNICODE)
 	for fileName in fileList:
 		if fullmatchRe.search(fileName):
 			existDuplicateFile = True;
@@ -346,9 +346,9 @@ def unique(targetPath, spliteExt = True) :
 	#중복 파일들의 숫자를 가져옴.
 	escapedTargetFileName = re.escape(targetFileName);
 	if spliteExt :
-		extractDupCountRe = re.compile(r"^%(escapedTargetFileName)s \(d(?P<number>[0-9]+)\)\.%(targetFileExt)s$" % locals(), re.DOTALL | re.IGNORECASE | re.UNICODE);
+		extractDupCountRe = re.compile(r"^{escapedTargetFileName} \(d(?P<number>[0-9]+)\)\.{targetFileExt}$".format(escapedTargetFileName=escapedTargetFileName, targetFileExt=targetFileExt), re.DOTALL | re.IGNORECASE | re.UNICODE);
 	else :
-		extractDupCountRe = re.compile(r"^%(escapedTargetFileName)s \(d(?P<number>[0-9]+)\)$" % locals(), re.DOTALL | re.IGNORECASE | re.UNICODE);
+		extractDupCountRe = re.compile(r"^{escapedTargetFileName} \(d(?P<number>[0-9]+)\)$".format(escapedTargetFileName=escapedTargetFileName), re.DOTALL | re.IGNORECASE | re.UNICODE);
 	counts = [];
 	for fileName in fileList :
 		m = extractDupCountRe.search(fileName);
@@ -367,9 +367,9 @@ def unique(targetPath, spliteExt = True) :
 		
 	#중복 회피 이름 생성
 	if spliteExt :
-		uniqueName = "%(targetFileName)s (d%(notDuplicatedNumber)d).%(targetFileExt)s" % locals();
+		uniqueName = "{targetFileName} (d{notDuplicatedNumber}).{targetFileExt}".format(targetFileName=targetFileName, notDuplicatedNumber=notDuplicatedNumber, targetFileExt=targetFileExt)
 	else :
-		uniqueName = "%(targetFileName)s (d%(notDuplicatedNumber)d)" % locals();
+		uniqueName = "{targetFileName} (d{notDuplicatedNumber})".format(targetFileName=targetFileName, notDuplicatedNumber=notDuplicatedNumber)
 	
 	return os.path.join(targetDirname, uniqueName);
 
diff --git a/ufp/pdf.py b/ufp/pdf.py
index c40ff4e..49226f8 100755
--- a/ufp/pdf.py
+++ b/ufp/pdf.py
@@ -69,8 +69,8 @@ def toBmps(pdf, format='bmp16m', dpi=200):
 	"""
 	#명령 설정
 	cmd = _ghostscriptCommand[:]
-	cmd.insert(-2, '-sDEVICE={0}'.format(format)) #출력 형식
-	cmd.insert(-2, '-r{0}x{0}'.format(dpi))  #DPI
+	cmd.insert(-2, '-sDEVICE={format}'.format(format=format)) #출력 형식
+	cmd.insert(-2, '-r{dpi}x{dpi}'.format(dpi=dpi))  #DPI
 	
 	try:
 		#실행
@@ -179,8 +179,8 @@ def toBmp(pdf, format='bmp32b', dpi=200):
 	:rtype: bytes
 	"""
 	cmd = _ghostscriptCommand[:]
-	cmd.insert(-2, '-sDEVICE={0}'.format(format)) #출력 형식
-	cmd.insert(-2, '-r{0}x{0}'.format(dpi))  #DPI
+	cmd.insert(-2, '-sDEVICE={format}'.format(format=format)) #출력 형식
+	cmd.insert(-2, '-r{dpi}x{dpi}'.format(dpi=dpi))  #DPI
 	devnull = open(os.devnull, 'w')
 	gs = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=devnull)
 	bmp = gs.communicate(pdf)[0]
diff --git a/ufp/shell.py b/ufp/shell.py
index 659052d..4d50b3e 100755
--- a/ufp/shell.py
+++ b/ufp/shell.py
@@ -41,5 +41,5 @@ def quote(string):
 	:rtype: unicode
 	"""
 	buffer = string.replace("'", r"'\''")
-	return "'{0}'".format(buffer)
+	return "'{string}'".format(string=buffer)
 	
\ No newline at end of file
diff --git a/ufp/web.py b/ufp/web.py
index ade0114..2042d3a 100755
--- a/ufp/web.py
+++ b/ufp/web.py
@@ -7,7 +7,6 @@
 import re
 import cookielib
 import chardet
-import os
 
 from . import path as _p_path
 from . import string as _p_string
@@ -55,7 +54,6 @@ def trimFilename(filename, **options):
 		fromEncoding = None
 	else:
 		fromEncoding = options[u'from_encoding']
-		pass
 	
 	#url 디코딩
 	filename = urllib.unquote(filename)
@@ -124,7 +122,6 @@ def dequoteJsStr(jsStr) :
 	];
 	for before, after in REGEXS :
 		jsStr = jsStr.replace(before, after)
-		pass
 	return jsStr;
 
 def loadNetscapeCookie(session, cookiePath):
@@ -142,10 +139,7 @@ def loadNetscapeCookie(session, cookiePath):
 	:type cookiePath: unicode
 	"""
 	#임시 파일 생성
-	tmpCookiePath = tempfile.mkstemp(prefix='.tmp_', suffix='.cookie')[1]
-	
-	#임시 파일 객체 생성
-	with open(tmpCookiePath, mode='w+b') as tmpCookie:
+	with tempfile.NamedTemporaryFile('wb', prefix='.tmp_', suffix='.cookie') as tmpCookie:
 		#넷스케이프 헤더 작성
 		tmpCookie.write('# Netscape HTTP Cookie File\n')
 		tmpCookie.write('# http://www.netscape.com/newsref/std/cookie_spec.html\n')
@@ -154,16 +148,12 @@ def loadNetscapeCookie(session, cookiePath):
 		
 		#기존 쿠키 파일의 내용을 삽입; 윈도우식 줄바꿈 -> 리눅스식으로 치환.
 		with open(cookiePath, 'r') as f:
-			buffer = f.read().replace('\r\n', '\n')
-			tmpCookie.write(buffer)
-			pass
-	
-	#쿠키 파일 불러오기
-	cookieJar = cookielib.MozillaCookieJar(tmpCookiePath)
-	cookieJar.load(ignore_discard=True, ignore_expires=True)
-	session.cookies = cookieJar
-	
-	#임시 파일 삭제
-	os.remove(tmpCookiePath)
+			buffer = f.read().replace('\r', '\n')
+			tmpCookie.write(buffer.encode('UTF-8'))
+		tmpCookie.flush()
+		
+		#쿠키 파일 불러오기
+		cookieJar = cookielib.MozillaCookieJar(tmpCookie.name)
+		cookieJar.load(ignore_discard=True, ignore_expires=True)
+		session.cookies = cookieJar
 	pass
-	
\ No newline at end of file