release:training code of dssm model

recommend-model-produce/src/main/python/tools/static_ps_trainer_v2.py

@@ -122,7 +122,7 @@ class Main(object):
                 is_collective=False,
                 init_gloo=False
             )
-            fleet.init(role,config=fleet_config)
+            fleet.init(role)
             #logger.info("worker_index: %s", fleet.worker_index())
             #logger.info("is_first_worker: %s", fleet.is_first_worker())
             #logger.info("worker_num: %s", fleet.worker_num())
@@ -131,9 +131,8 @@ class Main(object):
 
         else:
             # 在Fleet初始化配置中添加以下参数
-
-
-            fleet.init(config=fleet_config)
+            fleet.init()
+        fleet.set_fleet_desc(fleet_config)
 
     def network(self):
         self.model = get_model(self.config)