diff --git a/core/utils/envs.py b/core/utils/envs.py
index 1c3b6c45ef30b62b0cda65c721b94cd9f312baf7..7f6cfb61d3997ce6a673bae10919779ef696b054 100755
--- a/core/utils/envs.py
+++ b/core/utils/envs.py
@@ -17,6 +17,7 @@ import copy
 import sys
 import socket
 from contextlib import closing
+
 global_envs = {}
 
 
@@ -176,17 +177,12 @@ def get_platform():
         return "WINDOWS"
 
 
-<< << << < HEAD: fleet_rec/core/utils/envs.py
-
-== == == =
->>>>>> > upstream/develop: core/utils/envs.py
-
-
 def find_free_port():
     def __free_port():
         with closing(socket.socket(socket.AF_INET,
                                    socket.SOCK_STREAM)) as s:
             s.bind(('', 0))
             return s.getsockname()[1]
+
     new_port = __free_port()
     return new_port
diff --git a/models/rank/dnn/backend.yaml b/models/rank/dnn/backend.yaml
deleted file mode 100755
index 77384db41d4ab9163ec7b3dcc196358341f7a51a..0000000000000000000000000000000000000000
--- a/models/rank/dnn/backend.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-engine:
-  workspace: "paddlerec.models.rank.dnn"
-  backend: "MPI"
-
-  hdfs:
-    name: "hdfs://nmg01-taihang-hdfs.dmop.baidu.com:54310"
-    ugi: "fcr,SaK2VqfEDeXzKPor"
-    output: "/app/ecom/fcr/fanyabo/wadstyleimageq/tangwei12/output_1/"
-
-  package:
-    build_script: "{workspace}/package.sh"
-    python: "/home/tangwei/fleet_rec_env/cpython-2.7.11-ucs4"
-    paddlerec: "/home/tangwei/fleet_rec_env/PaddleRec"
-
-  submit:
-    hpc: "/home/tangwei/Plines/client/smart_client_khan/"
-    qconf: "/home/tangwei/Plines/imageq/qsub_f.conf"
-    nodes: 10
-
-  submit_scrpit: "{workspace}/submit.sh"
-  job_scrpit: "{workspace}/worker.sh"
diff --git a/models/rank/dnn/submit.sh b/models/rank/dnn/submit.sh
deleted file mode 100644
index 56b5f8798f0e4181dfd54d9e831078e4b1533d39..0000000000000000000000000000000000000000
--- a/models/rank/dnn/submit.sh
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/bin/bash
-
-###################################################
-# Usage: submit.sh
-# Description: run mpi submit clinet implement
-###################################################
-
-#-----------------------------------------------------------------------------------------------------------------
-#fun : get argument from env, set it into variables
-#param : N/A
-#return : 0 -- success; not 0 -- failure
-#-----------------------------------------------------------------------------------------------------------------
-function vars_get_from_env() {
-  echo "xx"
-}
-
-#-----------------------------------------------------------------------------------------------------------------
-#fun : package
-#param : N/A
-#return : 0 -- success; not 0 -- failure
-#-----------------------------------------------------------------------------------------------------------------
-function package() {
-  g_run_stage="package"
-
-  temp=${engine_temp_path}
-  echo "package temp dir: " ${temp}
-
-  cp ${engine_job_scrpit} ${temp}
-  cp ${engine_submit_qconf} ${temp}
-  echo "copy job.sh from " ${engine_worker} " to " ${temp}
-
-  mkdir -p ${temp}/package
-  cp -r ${engine_package_python} ${temp}/package/
-  echo "copy python from " ${engine_package_python} " to " ${temp}
-
-  mkdir ${temp}/package/whl
-  cp ${engine_package_paddlerec} ${temp}/package/whl/
-  echo "copy " ${engine_package_paddlerec} " to " ${temp}"/whl/"
-}
-
-#-----------------------------------------------------------------------------------------------------------------
-#fun : before hook submit to cluster
-#param : N/A
-#return : 0 -- success; not 0 -- failure
-#-----------------------------------------------------------------------------------------------------------------
-function before_submit() {
-  echo "before_submit"
-}
-
-#-----------------------------------------------------------------------------------------------------------------
-#fun : after hook submit to cluster
-#param : N/A
-#return : 0 -- success; not 0 -- failure
-#-----------------------------------------------------------------------------------------------------------------
-function after_submit() {
-  echo "after_submit"
-}
-
-#-----------------------------------------------------------------------------------------------------------------
-#fun : submit to cluster
-#param : N/A
-#return : 0 -- success; not 0 -- failure
-#-----------------------------------------------------------------------------------------------------------------
-function submit() {
-  g_run_stage="submit"
-  g_job_name="paddle_rec_mpi"
-  g_hdfs_path=$g_hdfs_path
-  g_job_entry="worker.sh"
-
-  engine_hdfs_output=${engine_hdfs_output}/$(date +%Y%m%d%H%M%S)
-
-  cd ${engine_temp_path}
-
-  ${engine_submit_hpc}/bin/qsub_f \
-    -N ${g_job_name} \
-    --conf ${engine_submit_qconf} \
-    --hdfs ${engine_hdfs_name} \
-    --ugi ${engine_hdfs_ugi} \
-    --hout ${engine_hdfs_output} \
-    --files ./package \
-    -l nodes=${engine_submit_nodes},walltime=1000:00:00,resource=full ${g_job_entry}
-}
-
-function main() {
-  package
-
-  before_submit
-  submit
-  after_submit
-}
diff --git a/models/rank/dnn/worker.sh b/models/rank/dnn/worker.sh
deleted file mode 100644
index 9daf7488d86116460ec4857aa7a752b6af07abd0..0000000000000000000000000000000000000000
--- a/models/rank/dnn/worker.sh
+++ /dev/null
@@ -1,75 +0,0 @@
-#!/bin/bash
-
-###################################################
-# Usage: job.sh
-# Description: run job on mpi per node
-###################################################
-
-# ---------------------------------------------------------------------------- #
-#                            variable define                                   #
-# ---------------------------------------------------------------------------- #
-declare g_curPath=""
-declare g_scriptName=""
-declare g_workPath=""
-declare g_run_stage=""
-
-# ---------------------------------------------------------------------------- #
-#                             const define                                     #
-# ---------------------------------------------------------------------------- #
-export FLAGS_communicator_thread_pool_size=5
-export FLAGS_communicator_send_queue_size=18
-export FLAGS_communicator_thread_pool_size=20
-export FLAGS_communicator_max_merge_var_num=18
-################################################################################
-
-#-----------------------------------------------------------------------------------------------------------------
-#fun : check function return code
-#param : N/A
-#return : 0 -- success; not 0 -- failure
-#-----------------------------------------------------------------------------------------------------------------
-function check_error() {
-  if [ ${?} -ne 0 ]; then
-    echo "execute " + $g_run_stage + " raise exception! please check ..."
-    exit 1
-  fi
-}
-
-#-----------------------------------------------------------------------------------------------------------------
-#fun : check function return code
-#param : N/A
-#return : 0 -- success; not 0 -- failure
-#-----------------------------------------------------------------------------------------------------------------
-function env_prepare() {
-  g_run_stage="env_prepare"
-  WORKDIR=$(pwd)
-  mpirun -npernode 1 mv package/* ./
-  echo "current:"$WORKDIR
-
-  mpirun -npernode 1 tar -zxvf python.tar.gz > /dev/null
-
-  export PYTHONPATH=$WORKDIR/python/
-  export PYTHONROOT=$WORKDIR/python/
-  export LIBRARY_PATH=$PYTHONPATH/lib:$LIBRARY_PATH
-  export LD_LIBRARY_PATH=$PYTHONPATH/lib:$LD_LIBRARY_PATH
-  export PATH=$PYTHONPATH/bin:$PATH
-  export LIBRARY_PATH=$PYTHONROOT/lib:$LIBRARY_PATH
-
-  python -c "print('heheda')"
-
-  mpirun -npernode 1 python/bin/python -m pip uninstall -y paddle-rec
-  mpirun -npernode 1 python/bin/python -m pip install whl/fleet_rec-0.0.2-py2-none-any.whl --index-url=http://pip.baidu.com/pypi/simple --trusted-host pip.baidu.com
-  check_error
-}
-
-function run() {
-  echo "run"
-  g_run_stage="run"
-  mpirun -npernode 2 -timestamp-output -tag-output -machinefile ${PBS_NODEFILE} python/bin/python -u -m paddlerec.run -m paddlerec.models.rank.dnn --engine cluster --role worker
-}
-
-function main() {
-  env_prepare
-  run
-}
-
-main