diff --git a/fleet_rec/core/trainers/cluster_trainer.py b/fleet_rec/core/trainers/cluster_trainer.py
index 4635d91020888666a3b3449e6dfd8994ff45a6cf..bc5a91732febcc470554ecfa07cf5fb11518546f 100755
--- a/fleet_rec/core/trainers/cluster_trainer.py
+++ b/fleet_rec/core/trainers/cluster_trainer.py
@@ -23,6 +23,7 @@ import paddle.fluid as fluid
 from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler import fleet
 from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler.distributed_strategy import StrategyFactory
 from paddle.fluid.incubate.fleet.base.role_maker import PaddleCloudRoleMaker
+from paddle.fluid.incubate.fleet.base.role_maker import MPISymetricRoleMaker
 
 from fleetrec.core.utils import envs
 from fleetrec.core.trainers.transpiler_trainer import TranspileTrainer
@@ -30,7 +31,8 @@ from fleetrec.core.trainers.transpiler_trainer import TranspileTrainer
 
 class ClusterTrainer(TranspileTrainer):
     def processor_register(self):
-        role = PaddleCloudRoleMaker()
+        #role = PaddleCloudRoleMaker()
+        role = MPISymetricRoleMaker()
         fleet.init(role)
 
         if fleet.is_server():
diff --git a/fleet_rec/core/trainers/transpiler_trainer.py b/fleet_rec/core/trainers/transpiler_trainer.py
index 96afab2164f9f1e815ae0c1c48249ea0fa109dbf..683b921e33de481e26cc1ff93a8300ddf1475d51 100755
--- a/fleet_rec/core/trainers/transpiler_trainer.py
+++ b/fleet_rec/core/trainers/transpiler_trainer.py
@@ -72,7 +72,8 @@ class TranspileTrainer(Trainer):
             train_data_path = envs.get_global_env(
                 "test_data_path", None, namespace)
 
-        threads = int(envs.get_runtime_environ("train.trainer.threads"))
+        #threads = int(envs.get_runtime_environ("train.trainer.threads"))
+        threads = 2
         batch_size = envs.get_global_env("batch_size", None, namespace)
         reader_class = envs.get_global_env("class", None, namespace)
         abs_dir = os.path.dirname(os.path.abspath(__file__))
diff --git a/fleet_rec/run.py b/fleet_rec/run.py
index 34adbcd76cb47b8dca80893d8e61698c09b1aeaf..aa8d59655971851238df32d89c2484afc5c3fd1b 100755
--- a/fleet_rec/run.py
+++ b/fleet_rec/run.py
@@ -110,7 +110,6 @@ def single_engine(args):
 
 
 def cluster_engine(args):
-    from fleetrec.core.engine.cluster.cluster import ClusterEngine
 
     def update_workspace(cluster_envs):
         workspace = cluster_envs.get("engine_workspace", None)
@@ -131,6 +130,7 @@ def cluster_engine(args):
                 cluster_envs[name] = value
 
     def master():
+        from fleetrec.core.engine.cluster.cluster import ClusterEngine
         with open(args.backend, 'r') as rb:
             _envs = yaml.load(rb.read(), Loader=yaml.FullLoader)
 
@@ -155,10 +155,10 @@ def cluster_engine(args):
         print("launch {} engine with cluster to with model: {}".format(trainer, args.model))
         set_runtime_envs(cluster_envs, args.model)
 
-        launch = LocalClusterEngine(cluster_envs, args.model)
-        return launch
+        trainer = TrainerFactory.create(args.model)
+        return trainer
 
-    if args.role == "worker":
+    if args.role == "WORKER":
         return worker()
     else:
         return master()
diff --git a/models/rank/dnn/submit.sh b/models/rank/dnn/submit.sh
index 1a11360cccb3bfb8147300db4f35e1b66207098a..56b5f8798f0e4181dfd54d9e831078e4b1533d39 100644
--- a/models/rank/dnn/submit.sh
+++ b/models/rank/dnn/submit.sh
@@ -29,8 +29,8 @@ function package() {
   cp ${engine_submit_qconf} ${temp}
   echo "copy job.sh from " ${engine_worker} " to " ${temp}
 
-  mkdir -p ${temp}/package/python
-  cp -r ${engine_package_python}/* ${temp}/package/python/
+  mkdir -p ${temp}/package
+  cp -r ${engine_package_python} ${temp}/package/
   echo "copy python from " ${engine_package_python} " to " ${temp}
 
   mkdir ${temp}/package/whl
diff --git a/models/rank/dnn/worker.sh b/models/rank/dnn/worker.sh
index 57cf12c9e81f93d27972bfe4254cea1e9a72f599..3ca2a1f07dd07bd45599f23a60dd4c47f2c72700 100644
--- a/models/rank/dnn/worker.sh
+++ b/models/rank/dnn/worker.sh
@@ -16,10 +16,10 @@ declare g_run_stage=""
 # ---------------------------------------------------------------------------- #
 #                             const define                                     #
 # ---------------------------------------------------------------------------- #
-declare -r FLAGS_communicator_thread_pool_size=5
-declare -r FLAGS_communicator_send_queue_size=18
-declare -r FLAGS_communicator_thread_pool_size=20
-declare -r FLAGS_communicator_max_merge_var_num=18
+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
 ################################################################################
 
 #-----------------------------------------------------------------------------------------------------------------
@@ -44,9 +44,20 @@ function env_prepare() {
   WORKDIR=$(pwd)
   mpirun -npernode 1 mv package/* ./
   echo "current:"$WORKDIR
-  export LIBRARY_PATH=$WORKDIR/python/lib:$LIBRARY_PATH
 
-  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 >/dev/null
+  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 fleet-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
 }