change yamls

config/ppo_transfer/CrawlerStatic.yaml

       encoder_layers: 2
       policy_layers: 1
       value_layers: 1
-      feature_size: 64
+      feature_size: 128
-      in_epoch_alter: true
+      use_op_buffer: true
       use_inverse_model: true
     network_settings:
       normalize: true

config/ppo_transfer/CrawlerStaticOpbuffer.yaml

 behaviors:
-  OldCrawlerStatic:
+  CrawlerStatic:
     trainer_type: ppo_transfer
     hyperparameters:
       batch_size: 2024
       encoder_layers: 2
       policy_layers: 1
       value_layers: 1
-      feature_size: 64
+      feature_size: 128
+      use_inverse_model: true
     network_settings:
       normalize: true
       hidden_units: 512

ml-agents/mlagents/trainers/ppo_transfer/optimizer.py

         self.use_alter = hyperparameters.use_alter
         self.in_batch_alter = hyperparameters.in_batch_alter
         self.in_epoch_alter = hyperparameters.in_epoch_alter
+        self.op_buffer = hyperparameters.use_op_buffer
         
         self.train_type = hyperparameters.train_type
         
                     }
                 )
 
-                if self.use_alter or self.smart_transfer or self.in_batch_alter or self.in_epoch_alter:
+                if self.use_alter or self.smart_transfer or self.in_batch_alter or self.in_epoch_alter or self.op_buffer:
                     self._init_alter_update()
             
             self.policy.initialize_or_load()