diff --git a/PPO2/PPO.py b/PPO2/PPO.py
index c071b9b..286203d 100644
--- a/PPO2/PPO.py
+++ b/PPO2/PPO.py
@@ -48,17 +48,17 @@ class ActorCritic(nn.Module):
         if has_continuous_action_space :
             self.actor = nn.Sequential(
                             nn.Linear(state_dim, 64),
-                            nn.Tanh(),
+                            # nn.Tanh(),
                             # nn.Sigmoid(),
-                            # nn.ReLU(),
+                            nn.ReLU(),
                             nn.Linear(64, 64),
-                            nn.Tanh(),
+                            # nn.Tanh(),
                             # nn.Sigmoid(),
-                            # nn.ReLU(),
+                            nn.ReLU(),
                             nn.Linear(64, action_dim),
-                            nn.Tanh()
+                            # nn.Tanh()
                             # nn.Sigmoid()
-                            # nn.ReLU()
+                            nn.ReLU()
                         )
         else:
             self.actor = nn.Sequential(
@@ -72,13 +72,13 @@ class ActorCritic(nn.Module):
         # critic
         self.critic = nn.Sequential(
                         nn.Linear(state_dim, 64),
-                        nn.Tanh(),
+                        # nn.Tanh(),
                         # nn.Sigmoid(),
-                        # nn.ReLU(),
+                        nn.ReLU(),
                         nn.Linear(64, 64),
-                        nn.Tanh(),
+                        # nn.Tanh(),
                         # nn.Sigmoid(),
-                        # nn.ReLU(),
+                        nn.ReLU(),
                         nn.Linear(64, 1)
                     )