diff --git a/BDSM/commands.py b/BDSM/commands.py
index f18899a..6be5677 100644
--- a/BDSM/commands.py
+++ b/BDSM/commands.py
@@ -78,7 +78,8 @@ def analysis():
     wordlist = jieba.lcut(toots_content)
     space_list = ' '.join(wordlist)
     stopwords = set()
-    content = [line.strip() for line in open('misc/stopwords.txt','r').readlines()]
+    content = [line.strip() for line in open('misc/stopwords.txt','r',
+                                             encoding='utf-8').readlines()]
     stopwords.update(content)
 
     wc = WordCloud(width=1400, height=2200,