修复因筛选后未换行导致打印错位

src/main.rs

@@ -102,13 +102,14 @@ fn try_main() -> anyhow::Result<()> {
                         .filter_map(|line| {
                             let line = line.unwrap();
                             if line.contains(&filter_str) {
-                                Some(line)
+                                Some(line+"\n")
                             } else {
                                 None
                             }
                         })
                         .flat_map(|str| str.into_bytes())
                         .collect();
+                    println!("{}", String::from_utf8_lossy(&filter_data));
                     Box::new(Cursor::new(filter_data)) as Box<dyn Read>
                 }
             }