diff --git a/jieba/analyse/tfidf.py b/jieba/analyse/tfidf.py
index 680b889f..54dd7c39 100755
--- a/jieba/analyse/tfidf.py
+++ b/jieba/analyse/tfidf.py
@@ -44,14 +44,16 @@ def __init__(self, idf_path=None):
     def set_new_path(self, new_idf_path):
         if self.path != new_idf_path:
             self.path = new_idf_path
-            content = open(new_idf_path, 'rb').read().decode('utf-8')
-            self.idf_freq = {}
-            for line in content.splitlines():
-                word, freq = line.strip().split(' ')
-                self.idf_freq[word] = float(freq)
-            self.median_idf = sorted(
-                self.idf_freq.values())[len(self.idf_freq) // 2]
-
+            try:
+                content = open(new_idf_path, 'rb').read().decode('utf-8')
+                self.idf_freq = {}
+                for line in content.splitlines():
+                    word, freq = line.strip().split(' ')
+                    self.idf_freq[word] = float(freq)
+                self.median_idf = sorted(
+                    self.idf_freq.values())[len(self.idf_freq) // 2]
+            except IOError:
+                pass
     def get_idf(self):
         return self.idf_freq, self.median_idf