diff --git a/dlqrcode/src/lib.rs b/dlqrcode/src/lib.rs
index deb7c96..12dc747 100644
--- a/dlqrcode/src/lib.rs
+++ b/dlqrcode/src/lib.rs
@@ -39,7 +39,7 @@
     totp_seed: Vec<u8>,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct DaliQrData {
     pub uid: String,
     pub cardno: String,
@@ -165,9 +165,7 @@
         for i in 0..qrcode.len() {
             if qrcode[i] == v {
                 if i > j {
-                    let mut s = Vec::new();
-                    s.extend_from_slice(&qrcode[j..i]);
-                    qrdata.push(s);
+                    qrdata.push(qrcode[j..i].to_vec());
                 }
                 j = i + 1;
                 if qrdata.len() >= DaliQrData::field_count() {
@@ -176,9 +174,7 @@
             }
         }
         if j < qrcode.len() {
-            let mut s = Vec::new();
-            s.extend_from_slice(&qrcode[j..]);
-            qrdata.push(s);
+            qrdata.push(qrcode[j..].to_vec());
         }
 
         Ok(())