[*] update normally

Author: heng30

lib/recorder/examples/fps_demo.rs

@@ -1,4 +1,6 @@
-use fps::SimpleFpsCounter;
+use recorder::SimpleFpsCounter;
+use std::thread;
+use std::time::{Duration, Instant};
 
 fn main() {
     let mut fps_counter = SimpleFpsCounter::new();