update feature

tank-rust/src/dqn/feature.rs

@@ -179,7 +179,7 @@ impl<'a> Info<'a> {
 
         reward
             + match next.player.score - self.player.score {
-                x if x > 2 => 20.0,
+                x if x > 2 => 20.0, // bypass emeny
                 x if x > 0 => 10.0, // too high, tank my ignore power station
                 _ => -1.0,
             }