diff --git a/deploy/mac/gvisor-migrate.sh b/deploy/mac/gvisor-migrate.sh
index 694a7b8..23b09f7 100755
--- a/deploy/mac/gvisor-migrate.sh
+++ b/deploy/mac/gvisor-migrate.sh
@@ -14,9 +14,9 @@ VMHOST="unix://$HOME/.lima/$VM/sock/docker.sock"
 
 command -v docker >/dev/null 2>&1 || { echo "找不到 docker 指令"; exit 1; }
 if [ -n "${DOCKER_HOST:-}" ]; then
-  echo "現在環境裡有 DOCKER_HOST=$DOCKER_HOST（要從本機 Docker 搬出，請用普通終端機跑）"; exit 1
+  echo "現在環境裡有 DOCKER_HOST=${DOCKER_HOST}（要從本機 Docker 搬出，請用普通終端機跑）"; exit 1
 fi
-docker volume inspect "$VOL" >/dev/null 2>&1 || { echo "本機找不到資料卷 $VOL（box 還沒建立過？）"; exit 1; }
+docker volume inspect "$VOL" >/dev/null 2>&1 || { echo "本機找不到資料卷 ${VOL}（box 還沒建立過？）"; exit 1; }
 limactl list "$VM" --format '{{.Status}}' 2>/dev/null | grep -q Running || { echo "VM $VM 沒在跑，先跑 gvisor-vm.sh"; exit 1; }
 # The Mac app's process is "AnyBot" and `anybot --serve` is "anybot": match either case.
 if pgrep -ix anybot >/dev/null 2>&1; then
diff --git a/deploy/mac/gvisor-vm.sh b/deploy/mac/gvisor-vm.sh
index 1e1e25e..fde3c49 100755
--- a/deploy/mac/gvisor-vm.sh
+++ b/deploy/mac/gvisor-vm.sh
@@ -20,7 +20,7 @@ DISK=60                  # GiB
 
 if [ "${1:-}" = "--rm" ]; then
   limactl delete --force "$VM" 2>/dev/null || true
-  echo "已移除 VM $VM。"
+  echo "已移除 VM ${VM}。"
   exit 0
 fi
 
@@ -30,7 +30,7 @@ STATUS=$(limactl list "$VM" --format '{{.Status}}' 2>/dev/null || true)
 if [ "$STATUS" = "Running" ]; then
   echo "VM $VM 已在執行。"
 elif [ -n "$STATUS" ]; then
-  echo "VM $VM 是 $STATUS，啟動中…"
+  echo "VM $VM 是 ${STATUS}，啟動中…"
   limactl start --tty=false "$VM"
 else
   echo "建立 VM ${VM}（$CPUS CPU / ${MEM}GB / ${DISK}GB，第一次要下載映像檔，幾分鐘）…"
@@ -50,15 +50,19 @@ if ! command -v runsc >/dev/null 2>&1; then
   sudo apt-get install -y -qq runsc
 fi
 # Register the runtime in the VM'\''s Docker daemon (merge, do not clobber other settings).
-sudo python3 - <<EOF
+# Restart Docker only when that changed: a restart stops Bot 的電腦 running in this VM.
+CHANGED=$(sudo python3 - <<EOF
 import json, os
 p = "/etc/docker/daemon.json"
 d = json.load(open(p)) if os.path.exists(p) else {}
-d.setdefault("runtimes", {})["runsc"] = {"path": "runsc"}
-os.makedirs("/etc/docker", exist_ok=True)
-json.dump(d, open(p, "w"), indent=2)
+if d.get("runtimes", {}).get("runsc", {}).get("path") != "runsc":
+    d.setdefault("runtimes", {})["runsc"] = {"path": "runsc"}
+    os.makedirs("/etc/docker", exist_ok=True)
+    json.dump(d, open(p, "w"), indent=2)
+    print("changed")
 EOF
-sudo systemctl restart docker
+)
+if [ "$CHANGED" = changed ]; then sudo systemctl restart docker; fi
 # Prove the wall works: a container whose kernel really is gVisor.
 docker run --rm --runtime=runsc --entrypoint sh alpine:3.20 -c "grep -q gVisor /proc/version && uname -r" | sed "s/^/runsc 容器核心: /"
 '
@@ -75,7 +79,7 @@ KERNEL=$(DOCKER_HOST="unix://$SOCK" docker run --rm --runtime=runsc --entrypoint
 
 cat <<EOF
 
-都好了（從 Mac 驗證：runsc 容器的核心是 $KERNEL）。AnyBot 設定 › 電腦 › 在哪裡執行：
+都好了（從 Mac 驗證：runsc 容器的核心是 ${KERNEL}）。AnyBot 設定 › 電腦 › 在哪裡執行：
   Docker 主機：  unix://$SOCK
   容器隔離：      強隔離（gVisor）
 然後在電腦卡片按「建立/更新」。要讓舊 box 的檔案與登入跟著走，
diff --git a/src/app.rs b/src/app.rs
index 5994735..96830c6 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -554,10 +554,20 @@ impl App {
             }
         }
         app.apply_theme(ctx);
-        // Real-data screenshots can open 設定 › 手機與帳號 (to press its buttons with ANYBOT_SHOT_CLICK).
-        if app.screenshot.is_some() && !app.demo && std::env::var("ANYBOT_SHOT_VIEW").as_deref() == Ok("remote") {
-            app.show_settings = true;
-            app.settings_tab = SettingsTab::Remote;
+        // Real-data screenshots can open 設定 › 手機與帳號 (to press its buttons with ANYBOT_SHOT_CLICK)
+        // or 設定 › 電腦 (容器隔離 shows what the box really runs on).
+        if app.screenshot.is_some() && !app.demo {
+            match std::env::var("ANYBOT_SHOT_VIEW").as_deref() {
+                Ok("remote") => {
+                    app.show_settings = true;
+                    app.settings_tab = SettingsTab::Remote;
+                }
+                Ok("computers") => {
+                    app.show_settings = true;
+                    app.settings_tab = SettingsTab::Computers;
+                }
+                _ => {}
+            }
         }
         // …or the side panel, or the computer viewer, as they look with that data.
         if app.screenshot.is_some() && !app.demo {
@@ -3716,6 +3726,18 @@ impl eframe::App for App {
                 }
             }
         }
+        // ANYBOT_SHOT_SCROLL="x,y,dy@frame": from that frame on, a wheel step of dy over x,y on
+        // each of 100 frames (egui eases a wheel in over real time; screenshot frames are quick).
+        if let Ok(sc) = std::env::var("ANYBOT_SHOT_SCROLL") {
+            if let Some((v, at)) = sc.split_once('@') {
+                let n: Vec<f32> = v.split(',').filter_map(|x| x.trim().parse().ok()).collect();
+                let (at, f) = (at.trim().parse::<u32>().unwrap_or(30), self.frames + 1);
+                if n.len() == 3 && f >= at && f < at + 100 {
+                    raw.events.push(egui::Event::PointerMoved(egui::pos2(n[0], n[1])));
+                    raw.events.push(egui::Event::MouseWheel { unit: egui::MouseWheelUnit::Point, delta: vec2(0.0, n[2]), phase: egui::TouchPhase::Move, source: egui::MouseWheelSource::Unknown, modifiers: Default::default() });
+                }
+            }
+        }
         let Ok(spec) = std::env::var("ANYBOT_SHOT_CLICK") else { return };
         for one in spec.split(';') {
             let (pos, right) = match one.strip_suffix(":right") { Some(p) => (p, true), None => (one, false) };
diff --git a/src/app/computers_ui.rs b/src/app/computers_ui.rs
index 542b3de..d1b77d3 100644
--- a/src/app/computers_ui.rs
+++ b/src/app/computers_ui.rs
@@ -641,14 +641,15 @@ impl App {
                     let rt = if self.cu.box_runtime.is_empty() { rt_now.clone() } else { self.cu.box_runtime.clone() };
                     let std_on = rt == "runc";
                     let gvis_on = rt == "runsc";
-                    if ui.selectable_label(std_on, t("標準")).clicked() {
-                        self.cu.box_runtime = "runc".into();
-                    }
+                    // (The row lays out right to left: 強隔離 first puts 標準 on its left.)
                     let g = ui.add_enabled_ui(gvisor_here || gvis_on, |ui| ui.selectable_label(gvis_on, t("強隔離（gVisor）"))).inner;
                     if g.clicked() {
                         self.cu.box_runtime = "runsc".into();
                     }
                     g.on_disabled_hover_text(t("這台 Docker 主機沒有裝 gVisor（runsc）"));
+                    if ui.selectable_label(std_on, t("標準")).clicked() {
+                        self.cu.box_runtime = "runc".into();
+                    }
                     if !self.cu.box_runtime.is_empty() && self.cu.box_runtime != rt_now {
                         if ui.add(primary_button("套用", p)).clicked() {
                             cloudbox::set_box_runtime(&self.cu.box_runtime);
diff --git a/src/browser.rs b/src/browser.rs
index 686ae88..c11221f 100644
--- a/src/browser.rs
+++ b/src/browser.rs
@@ -764,7 +764,7 @@ pub fn run(name: &str, args: &Value) -> Result<(String, Option<String>), String>
                 let bytes = base64::engine::general_purpose::STANDARD.decode(r["data"].as_str().unwrap_or("")).map_err(|e| e.to_string())?;
                 let (title, _, _) = snapshot(&mut tab);
                 let safe: String = title.chars().filter(|c| !"/\\:*?\"<>|".contains(*c)).take(60).collect();
-                let name = format!("{}-{}.pdf", if safe.trim().is_empty() { "網頁".into() } else { safe }, chrono::Local::now().format("%Y%m%d-%H%M%S"));
+                let name = format!("{}-{}.pdf", if safe.trim().is_empty() { "網頁".into() } else { safe }, chrono::Utc::now().with_timezone(&crate::routines::person_tz()).format("%Y%m%d-%H%M%S"));
                 // Saved where the bot can open it: on Bot 的電腦 when that's the browser's computer.
                 let path = if botbrowser::using_box() {
                     let p = format!("{}/{name}", crate::cloudbox::BOX_DOWNLOADS);
diff --git a/src/cloudbox.rs b/src/cloudbox.rs
index 5bbec2c..cb32e1e 100644
--- a/src/cloudbox.rs
+++ b/src/cloudbox.rs
@@ -420,7 +420,8 @@ fn maybe_scheduled_update() {
         (c.auto_update_at.clone(), c.auto_update_done.clone())
     };
     let Some(at) = at else { return };
-    let now = chrono::Local::now();
+    // The person's clock (a brain on a server keeps UTC: 03:00 used to be 11:00 in Taipei).
+    let now = chrono::Utc::now().with_timezone(&crate::routines::person_tz());
     let today = now.format("%Y-%m-%d").to_string();
     if done == today || !in_schedule_window(&at, now.time()) || is_busy() || !update_available() {
         return;
@@ -2240,13 +2241,6 @@ mod tests {
     /// (xterm has no accessibility; clicking a number there used to type into the terminal).
     #[test]
     #[ignore]
-    fn box_paths_are_the_bot_users() {
-        assert_eq!(box_path("~/bot-6/附件/IMG_0587.jpeg"), "/home/bot/bot-6/附件/IMG_0587.jpeg");
-        assert_eq!(box_path(" ~ "), "/home/bot");
-        assert_eq!(box_path("/tmp/a.jpg"), "/tmp/a.jpg");
-    }
-
-    #[test]
     fn box_numbers_only_on_what_is_seen() {
         ensure_running().expect("box starts");
         let cancel = AtomicBool::new(false);
@@ -2576,6 +2570,13 @@ mod tests {
         let _ = run_on("shell", r#"{"command":"cd .. && rm -rf bot-998"}"#, &t, &cancel, &ids);
     }
 
+    #[test]
+    fn box_paths_are_the_bot_users() {
+        assert_eq!(box_path("~/bot-6/附件/IMG_0587.jpeg"), "/home/bot/bot-6/附件/IMG_0587.jpeg");
+        assert_eq!(box_path(" ~ "), "/home/bot");
+        assert_eq!(box_path("/tmp/a.jpg"), "/tmp/a.jpg");
+    }
+
     #[test]
     fn schedule_window_is_one_hour() {
         let t = |s: &str| chrono::NaiveTime::parse_from_str(s, "%H:%M").unwrap();
@@ -2585,6 +2586,10 @@ mod tests {
         assert!(!in_schedule_window("03:00", t("02:59")));
         assert!(in_schedule_window("23:30", t("00:10")));
         assert!(!in_schedule_window("bad", t("00:10")));
+        // On a server (UTC), 03:00 is the person's 03:00: 19:00 UTC in Taipei.
+        use chrono::TimeZone;
+        let at = chrono::Utc.with_ymd_and_hms(2026, 11, 6, 19, 0, 0).unwrap().with_timezone(&chrono_tz::Asia::Taipei);
+        assert!(in_schedule_window("03:00", at.time()));
         assert_eq!(wanted_version(), "7");
     }