truncate in save_to_file

src/utils/helper.rs

@@ -63,6 +63,7 @@ pub fn save_to_file(idfile: &str, content: &str) -> Result<()> {
     OpenOptions::new()
         .create(true)
         .write(true)
+        .truncate(true)
         .open(filepath)?
         .write_all(content.as_bytes())?;
     Ok(())