diff --git a/test_tnt.py b/test_tnt.py
index 9387887..1bee931 100644
--- a/test_tnt.py
+++ b/test_tnt.py
@@ -11,7 +11,6 @@ def main():
         if not line.strip():
             continue
         words = map(lambda x: x.split('/'), line.split(' '))
-        words = map(lambda x: (x[1], x[0]), words)
         data.append(words)
     model = tnt.TnT()
     model.train(data)
@@ -21,7 +20,7 @@ def main():
     for c1, sent in enumerate(data):
         for c2, wd in enumerate(sent):
             total += 1
-            if wd[0] != ret[c1][c2][0]:
+            if wd[1] != ret[c1][c2][1]:
                 error += 1
     print 'total: %d, error: %d, precision: %f' % (total, error, float(error).total)
 
diff --git a/tnt.py b/tnt.py
index b9bdffb..bfc39d0 100755
--- a/tnt.py
+++ b/tnt.py
@@ -11,7 +11,7 @@
 class TnT(object):
 
     def __init__(self, N=1000):
-        self.N = 1000
+        self.N = N
         self.l1 = 0.0
         self.l2 = 0.0
         self.l3 = 0.0
@@ -70,6 +70,7 @@ def train(self, data):
 
     def tag(self, data):
         now = [(('BOS', 'BOS'), 0.0, [])]
+        print self.status
         for w in data:
             stage = {}
             for pre in now:
@@ -85,4 +86,4 @@ def tag(self, data):
             stage = map(lambda x: (x[0], x[1][0], x[1][1]), stage.items())
             now = sorted(stage, key=lambda x:-x[1])[:self.N]
             print len(now)
-        return zip(now[2], data)
+        return zip(data, now[0][2])