diff --git a/src/fastwq/context.py b/src/fastwq/context.py
index 2860a0d..452a90a 100644
--- a/src/fastwq/context.py
+++ b/src/fastwq/context.py
@@ -105,5 +105,10 @@ class Config(object):
         """
         return self.data.get('last_folder', '')
 
+    @property
+    def ignore_accents(self):
+        '''ignore accents of field in querying'''
+        return self.data.get('ignore_accents', False)
+
 
 config = Config(mw)
diff --git a/src/fastwq/lang.py b/src/fastwq/lang.py
index 3ab2f31..0840a03 100644
--- a/src/fastwq/lang.py
+++ b/src/fastwq/lang.py
@@ -56,6 +56,7 @@ arr = [
     ['NEW_VERSION', u'检查到新版本:', u'New version:'],
     ['UPDATE', u'更新', u'Update'],
     ['FORCE_UPDATE', u'强制更新字段', u'Force Update Fields'],
+    ['IGNORE_ACCENTS', u'忽略声调', u'Ignore Accents'],
     ['SETTINGS', u'参数', u'Settings'],
     ['THREAD_NUMBER', u'线程数', u'Thread Number'],
     ['INITLIZING_DICT', u'初始化词典...', u'Initlizing Dictionary...'],
diff --git a/src/fastwq/query.py b/src/fastwq/query.py
index 22be25d..aa5eb03 100644
--- a/src/fastwq/query.py
+++ b/src/fastwq/query.py
@@ -23,6 +23,7 @@ import re
 import shutil
 import sys
 import time
+import unicodedata
 
 from aqt import mw
 from aqt.qt import QFileDialog, QObject, QThread, pyqtSignal, pyqtSlot, QMutex
@@ -337,6 +338,11 @@ def add_to_tmpl(note, **kwargs):
 class InvalidWordException(Exception):
     """Invalid word exception"""
 
+def strip_combining(txt):
+    "Return txt with all combining characters removed."
+    norm = unicodedata.normalize('NFKD', txt)
+    return u"".join([c for c in norm if not unicodedata.combining(c)])
+
 def query_all_flds(note):
     """
     Query all fields of single note
@@ -346,6 +352,9 @@ def query_all_flds(note):
     if not word:
         raise InvalidWordException
     
+    if config.ignore_accents:
+        word = strip_combining(unicode(word))
+        
     # progress.update_title(u'Querying [[ %s ]]' % word)
 
     services = {}
diff --git a/src/fastwq/ui.py b/src/fastwq/ui.py
index 53c4d28..e3498fa 100644
--- a/src/fastwq/ui.py
+++ b/src/fastwq/ui.py
@@ -68,6 +68,11 @@ class ParasDialog(QDialog):
         layout.addWidget(check_force_update)
         layout.addSpacing(10)
 
+        check_ignore_accents = QCheckBox(_("IGNORE_ACCENTS"))
+        check_ignore_accents.setChecked(config.ignore_accents)
+        layout.addWidget(check_ignore_accents)
+        layout.addSpacing(10)
+
         hbox = QHBoxLayout()
         input_thread_number = QSpinBox(parent=self)
         input_thread_number.setRange(1, 120)
@@ -87,6 +92,7 @@ class ParasDialog(QDialog):
         layout.addWidget(buttonBox)
         
         self.check_force_update = check_force_update
+        self.check_ignore_accents = check_ignore_accents
         self.input_thread_number = input_thread_number
 
         layout.setAlignment(Qt.AlignTop|Qt.AlignLeft)
@@ -97,8 +103,11 @@ class ParasDialog(QDialog):
         self.close()
     
     def save(self):
-        data = {'force_update': self.check_force_update.isChecked(),
-                'thread_number': self.input_thread_number.value()}
+        data = {
+            'force_update': self.check_force_update.isChecked(),
+            'ignore_accents': self.check_ignore_accents.isChecked(),
+            'thread_number': self.input_thread_number.value()
+        }
         config.update(data)