diff --git a/src/main.rs b/src/main.rs
index 439f1cc..4755a1c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -15,7 +15,7 @@ fn main() {
     let lock = Arc::new(RwLock::new([p; LED_SIZE]));
     let mut pattern: Vec<Box<dyn Pattern>> = Vec::new();
     let read = Arc::clone(&lock);
-    /// light management
+    //light management
     thread::spawn(move || {
         let mut controller: Controller = ControllerBuilder::new()
     .channel(0, ChannelBuilder::new()
@@ -33,8 +33,11 @@ fn main() {
 	}
     });
 
-    /// pattern parsing
-    let mul_string = format_multiline("unit");
+    //pattern parsing
+    let mul_string = format_multiline(concat!(
+        "val 0 0 255",
+        "val r 255"
+    ));
     let res: Result<Vec<Box<dyn Pattern>>, ParseError> = mul_string.iter()
         .map(|x: &Vec<String>| parse_line((*x).clone()))
         .collect();
@@ -42,7 +45,7 @@ fn main() {
         pattern = res.unwrap();
     }
 
-    /// pattern management
+    //pattern management
     loop {
         thread::sleep(time::Duration::from_millis(LOOP_WAIT));
         for p in &pattern {