diff --git a/src-tauri/src/commands/fs.rs b/src-tauri/src/commands/fs.rs
index c44f859..eb27ec5 100644
--- a/src-tauri/src/commands/fs.rs
+++ b/src-tauri/src/commands/fs.rs
@@ -534,9 +534,10 @@ pub async fn save_asset(data_base64: String, ext: String, folder: String) -> Res
     let prefix = folder_name.trim_start_matches('.');
 
     // Generate unique filename with random suffix to avoid collisions
-    use rand::Rng;
-    let mut rng = rand::thread_rng();
-    let random_suffix: u32 = rng.gen();
+    let random_suffix: u32 = {
+        use rand::Rng;
+        rand::thread_rng().gen()
+    };
     let filename = format!("{}_{}_{:08x}.{}", prefix, timestamp, random_suffix, clean_ext);
     let file_path = asset_dir.join(&filename);