diff --git a/docs/src/change_log/dr_game.md b/docs/src/change_log/dr_game.md
index b5c98db..6871cb2 100644
--- a/docs/src/change_log/dr_game.md
+++ b/docs/src/change_log/dr_game.md
@@ -9,8 +9,8 @@
 
 ### Changes
 
-- `types.rs` 利用可用的 Clippy 改进了代码
-  - `types.rs` improved the code with available Clippy
+- `types.rs` & `python.rs` 利用可用的 Clippy 改进了代码
+  - `types.rs` & `python.rs` improved the code with available Clippy
 
 ## DR game 0.3.1.1
 
diff --git a/mods/dr_game/Difficult_Rocket_rs/src/src/python.rs b/mods/dr_game/Difficult_Rocket_rs/src/src/python.rs
index 678d546..3377cd6 100644
--- a/mods/dr_game/Difficult_Rocket_rs/src/src/python.rs
+++ b/mods/dr_game/Difficult_Rocket_rs/src/src/python.rs
@@ -97,11 +97,7 @@ pub mod data {
 
         fn get_part_type(&self, name: String) -> Option<PySR1PartType> {
             let part_type = self.data.get_part_type(&name);
-            if let Some(part_type) = part_type {
-                Some(PySR1PartType::new(part_type.clone()))
-            } else {
-                None
-            }
+            part_type.map(|part_type| PySR1PartType::new(part_type))
         }
     }