diff --git a/README.rest b/README.rest
index a7d846e..f84ebaf 100644
--- a/README.rest
+++ b/README.rest
@@ -12,7 +12,7 @@ grs 台灣上市股票價格擷取
 -----------------------------
 
 :Authors: Toomore Chiang
-:Version: 0.1.1 of 2012/03/31
+:Version: 0.1.2 of 2012/03/31
 :Python Version: Python 2.6-2.7
 
 -----------------------------
@@ -228,3 +228,13 @@ Quick Start
                 print 'S: {0} {1}'.format(i, info)
         except:     # 不作為或資料不足
             print 'X: {0}'.format(i)
+
+
+-----------------------------
+Change Logs
+-----------------------------
+
+0.1.2 2012/03/31
+====================================
+
+- 修正：倒數時間計算錯誤（dateutil.relativedelta）
diff --git a/grs/__init__.py b/grs/__init__.py
index a56db07..eab7ae6 100644
--- a/grs/__init__.py
+++ b/grs/__init__.py
@@ -21,7 +21,7 @@
 # THE SOFTWARE.
 
 __title__ = 'grs'
-__version__ = '0.1.1'
+__version__ = '0.1.2'
 __author__ = 'Toomore Chiang'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (C) 2012 Toomore Chiang'
diff --git a/grs/fetch_data.py b/grs/fetch_data.py
index 0146bcc..16a254c 100644
--- a/grs/fetch_data.py
+++ b/grs/fetch_data.py
@@ -20,13 +20,13 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-from datetime import datetime, timedelta
+from datetime import datetime
+from dateutil.relativedelta import relativedelta
 import csv
 import logging
 import random
 import urllib2
 
-
 class stock(object):
     """ 擷取股票股價 """
 
@@ -109,7 +109,7 @@ def __serial_fetch(self, no, month):
         """ [list] 串接每月資料 舊→新 """
         re = []
         for i in range(month):
-            nowdatetime = datetime.today() - timedelta(30 * i)
+            nowdatetime = datetime.today() - relativedelta(months=i)
             tolist = self.__to_list(self.__fetch_data(no, nowdatetime))
             re = tolist + re
         return re