Fix repetition display bug and history find bug

src/dictionary.rs

@@ -18,12 +18,12 @@ use iced::widget::text_input::default;
 use iced::widget::*;
 use iced::{Border, Color, Shadow, Task};
 use iced_core::Length::Fill;
+use parking_lot::Mutex;
 use rand::random_range;
 use std::fs;
 use std::ops::Add;
 use std::path::PathBuf;
 use std::sync::Arc;
-use parking_lot::Mutex;
 use std::time::{Duration, Instant};
 
 #[derive(Clone)]