From 12b2b177418ccf5733a41e523c14879e68f96c7d Mon Sep 17 00:00:00 2001
From: Dingyuan Wang <abcdoyle888@gmail.com>
Date: Tue, 15 Mar 2016 18:58:12 +0800
Subject: [PATCH] fix del_word

---
 jieba/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jieba/__init__.py b/jieba/__init__.py
index 8ea21e5..ea796f9 100644
--- a/jieba/__init__.py
+++ b/jieba/__init__.py
@@ -400,7 +400,7 @@ class Tokenizer(object):
         """
         self.check_initialized()
         word = strdecode(word)
-        freq = int(freq) if freq else self.suggest_freq(word, False)
+        freq = int(freq) if freq is not None else self.suggest_freq(word, False)
         self.FREQ[word] = freq
         self.total += freq
         if tag: