fix: image format

src/core/tasks/precache.rs

@@ -1,7 +1,7 @@
 use std::path::{Path, PathBuf};
 
 use anyhow::Result;
-use image::imageops::FilterType;
+use image::{imageops::FilterType, ImageFormat};
 use tokio::{fs, sync::mpsc};
 
 use super::TaskOp;
@@ -68,10 +68,8 @@ impl Precache {
 				};
 
 				let (w, h) = (PREVIEW.max_width, PREVIEW.max_height);
-				if img.width() <= w && img.height() <= h {
-					img.save(cache).ok();
-				} else {
-					img.resize(w, h, FilterType::Triangle).save(cache).ok();
+				if img.width() > w || img.height() > h {
+					img.resize(w, h, FilterType::Triangle).save_with_format(&cache, ImageFormat::Jpeg).ok();
 				}
 				self.sch.send(TaskOp::Adv(task.id, 1, 0))?;
 			}

src/core/tasks/process.rs

@@ -1,3 +1,5 @@
+use std::process::Stdio;
+
 use anyhow::Result;
 use tokio::{process::Command, select, sync::{mpsc, oneshot}};
 use tracing::trace;
@@ -44,9 +46,16 @@ impl Process {
 			ProcessOp::Open(task) => {
 				trace!("Open task: {:?}", task);
 				if !task.block {
+					let status = Command::new(&task.cmd)
+						.args(&task.args)
+						.stdout(Stdio::null())
+						.stderr(Stdio::null())
+						.kill_on_drop(true)
+						.status();
+
 					select! {
 						_ = task.cancel.closed() => {},
-						Ok(status) = Command::new(&task.cmd).args(&task.args).kill_on_drop(true).status() => {
+						Ok(status) = status => {
 							trace!("{} exited with {:?}", task.cmd, status);
 						}
 					}