diff --git a/TensorFlow/contrib/cv/DeepMatchVO_ID2363_for_TensorFlow/deep_slam.py b/TensorFlow/contrib/cv/DeepMatchVO_ID2363_for_TensorFlow/deep_slam.py
index 3260a2355161d9c571ff886cef2327b99d362e76..ae97fae690ea683e3034fe1f7475b2bbebf25044 100644
--- a/TensorFlow/contrib/cv/DeepMatchVO_ID2363_for_TensorFlow/deep_slam.py
+++ b/TensorFlow/contrib/cv/DeepMatchVO_ID2363_for_TensorFlow/deep_slam.py
@@ -190,7 +190,7 @@ class DeepSlam(object):
                 smooth_loss + opt.pose_weight * pose_loss + opt.match_weight * match_loss
 
         with tf.name_scope("train_op"):
-            '''
+            
             # lossscale
             train_vars = [var for var in tf.trainable_variables()]
             optt = tf.train.AdamOptimizer(opt.learning_rate, opt.beta1)
@@ -200,7 +200,7 @@ class DeepSlam(object):
             self.train_op = slim.learning.create_train_op(total_loss, optim)
             self.global_step = tf.Variable(0, name='global_step', trainable=False)
             self.incr_global_step = tf.assign(self.global_step, self.global_step+1)
-            '''
+            
             
             # yuanshi
             train_vars = [var for var in tf.trainable_variables()]