diff --git a/easy_rec/python/layers/keras/custom_ops.py b/easy_rec/python/layers/keras/custom_ops.py
index f3affa1bc..eedee439f 100644
--- a/easy_rec/python/layers/keras/custom_ops.py
+++ b/easy_rec/python/layers/keras/custom_ops.py
@@ -3,17 +3,25 @@
 """Convenience blocks for using custom ops."""
 import logging
 import os
-
 import tensorflow as tf
 from tensorflow.python.framework import ops
 
-import easy_rec
 
-# LIB_PATH = tf.sysconfig.get_link_flags()[0][2:]
-# LD_LIBRARY_PATH = os.getenv('LD_LIBRARY_PATH')
-# if LIB_PATH not in LD_LIBRARY_PATH:
-#   os.environ['LD_LIBRARY_PATH'] = ':'.join([LIB_PATH, LD_LIBRARY_PATH])
-#   logging.info('set LD_LIBRARY_PATH=%s' % os.getenv('LD_LIBRARY_PATH'))
+curr_dir, _ = os.path.split(__file__)
+parent_dir = os.path.dirname(curr_dir)
+ops_idr = os.path.dirname(parent_dir)
+ops_dir = os.path.join(ops_idr, 'python', 'ops')
+if 'PAI' in tf.__version__:
+  ops_dir = os.path.join(ops_dir, '1.12_pai')
+elif tf.__version__.startswith('1.12'):
+  ops_dir = os.path.join(ops_dir, '1.12')
+elif tf.__version__.startswith('1.15'):
+  if 'IS_ON_PAI' in os.environ:
+    ops_dir = os.path.join(ops_dir, 'DeepRec')
+  else:
+    ops_dir = os.path.join(ops_dir, '1.15')
+else:
+  ops_dir = None
 
 if tf.__version__ >= '2.0':
   tf = tf.compat.v1
@@ -23,8 +31,8 @@ class EditDistance(tf.keras.layers.Layer):
 
   def __init__(self, params, name='edit_distance', reuse=None, **kwargs):
     super(EditDistance, self).__init__(name, **kwargs)
-
-    custom_op_path = os.path.join(easy_rec.ops_dir, 'libedit_distance.so')
+    logging.info("ops_dir is %s" % ops_dir)
+    custom_op_path = os.path.join(ops_dir, 'libedit_distance.so')
     try:
       custom_ops = tf.load_op_library(custom_op_path)
       logging.info('load edit_distance op from %s succeed' % custom_op_path)
diff --git a/easy_rec/python/test/train_eval_test.py b/easy_rec/python/test/train_eval_test.py
index a13022fd8..e4b45a041 100644
--- a/easy_rec/python/test/train_eval_test.py
+++ b/easy_rec/python/test/train_eval_test.py
@@ -403,7 +403,7 @@ def test_highway(self):
     self.assertTrue(self._success)
 
   @unittest.skipIf(
-      LooseVersion(tf.__version__) < LooseVersion('2.0.0'),
+      LooseVersion(tf.__version__) >= LooseVersion('2.0.0'),
       'EditDistanceOp only work before tf version == 2.0')
   def test_custom_op(self):
     self._success = test_utils.test_single_train_eval(
diff --git a/easy_rec/version.py b/easy_rec/version.py
index edc79a5a5..235c9c2a6 100644
--- a/easy_rec/version.py
+++ b/easy_rec/version.py
@@ -1,3 +1,3 @@
 # -*- encoding:utf-8 -*-
 # Copyright (c) Alibaba, Inc. and its affiliates.
-__version__ = '0.7.5'
+__version__ = '0.7.6'