diff --git a/src/cc_cleaner.py b/src/cc_cleaner.py
index 22d9b927..a0a212cd 100644
--- a/src/cc_cleaner.py
+++ b/src/cc_cleaner.py
@@ -126,7 +126,7 @@ class loadPara(object):
                 res += line
 
 
-def readLine(filename):
+def readLineContainingChinese(filename):
     grop = re.compile('[\u4e00-\u9fa5]')
     with gzip.open(filename, 'rt') as f:
         fore_line = ''
@@ -181,7 +181,7 @@ def cleanSensitiveWord(trie_model, paras):
 
 
 def clean(fileName,saveDir, sensitiveFile="sensitive_words-v2.txt"):
-    lines = readLine(fileName)
+    lines = readLineContainingChinese(fileName)
     linesCleaned = cleanLine().clean(lines)
     paras = loadPara().load(linesCleaned)
     parasCleaned = cleanPara().clean(paras)