diff --git a/src/states/level/components_cannon.rs b/src/states/level/components_cannon.rs
index fc40ee8..6113c20 100644
--- a/src/states/level/components_cannon.rs
+++ b/src/states/level/components_cannon.rs
@@ -27,12 +27,6 @@ impl CannonState {
     }
 
     pub fn cycle_next(&mut self) {
-        // self.next_type = match self.next_type {
-        //     BallType::First => BallType::Second,
-        //     BallType::Second => BallType::Third,
-        //     BallType::Third => BallType::Forth,
-        //     BallType::Forth => BallType::First,
-        // };
         let cur = self.current_type;
         self.current_type = self.next_type;
         self.next_type = cur;