diff --git a/src/main/overlay.ts b/src/main/overlay.ts
index f021e24..c29d094 100644
--- a/src/main/overlay.ts
+++ b/src/main/overlay.ts
@@ -1,8 +1,6 @@
-import { BrowserWindow, ipcMain } from "electron";
-import path from "node:path";
+import { BrowserWindow, ipcMain, screen } from "electron";
 
 let overlayWindow: BrowserWindow | null = null;
-let cachedProgress = { current: "", done: 0, total: 0 };
 
 export function showRunOverlay(mainWindow: BrowserWindow | null): void {
   if (mainWindow && !mainWindow.isDestroyed()) mainWindow.minimize();
@@ -14,9 +12,6 @@ export function showRunOverlay(mainWindow: BrowserWindow | null): void {
 
   const w = 320;
   const h = 56;
-  const {
-    screen
-  } = require("electron") as typeof import("electron");
   const workArea = screen.getPrimaryDisplay().workArea;
   const x = workArea.x + workArea.width - w - 16;
   const y = workArea.y + workArea.height - h - 16;
@@ -40,9 +35,8 @@ export function showRunOverlay(mainWindow: BrowserWindow | null): void {
     transparent: false,
     backgroundColor: "#1E2530",
     webPreferences: {
-      preload: path.join(__dirname, "../preload/index.js"),
-      contextIsolation: true,
-      nodeIntegration: false,
+      contextIsolation: false,
+      nodeIntegration: true,
       sandbox: false
     }
   });
@@ -64,34 +58,33 @@ body{width:320px;height:56px;background:#1E2530;color:#E8ECF2;font-family:-apple
 </style></head><body>
 <div class="spinner" id="spin"></div>
 <div class="info">
-  <div class="step" id="step">准备运行…</div>
+  <div class="step" id="step">\u51C6\u5907\u8FD0\u884C\u2026</div>
   <div class="progress-bar"><div class="progress-fill" id="fill" style="width:0%"></div></div>
 </div>
 <div class="meta" id="meta">0/0</div>
-<button class="stop-btn" id="stopBtn" onclick="stopRun()">停止</button>
+<button class="stop-btn" id="stopBtn" onclick="stopRun()">\u505C\u6B62</button>
 <script>
 const { ipcRenderer } = require("electron");
 let done = 0, total = 0, startTime = Date.now();
 let timer = setInterval(() => {
   const s = Math.floor((Date.now() - startTime) / 1000);
-  document.getElementById("meta").textContent = done + "/" + total + " · " + s + "s";
+  document.getElementById("meta").textContent = done + "/" + total + " \u00B7 " + s + "s";
 }, 1000);
 
 ipcRenderer.on("run:event", (_e, ev) => {
   if (ev.type === "node.started" && ev.nodeLabel) {
     document.getElementById("step").textContent = ev.nodeLabel;
   }
-  if (ev.type === "node.started") { /* spinner already running */ }
   if (ev.type === "run.started") { startTime = Date.now(); }
+  if (ev.type === "run.total" && ev.total) {
+    total = ev.total;
+  }
   if (ev.type === "node.finished" || ev.type === "node.skipped") {
     done++;
     const pct = total > 0 ? Math.round(done / total * 100) : 0;
     document.getElementById("fill").style.width = pct + "%";
     document.getElementById("meta").textContent = done + "/" + total;
   }
-  if (ev.type === "run.total") {
-    total = ev.total;
-  }
   if (ev.type === "run.finished") {
     clearInterval(timer);
     document.getElementById("spin").style.display = "none";
@@ -99,18 +92,18 @@ ipcRenderer.on("run:event", (_e, ev) => {
     fill.style.background = ev.status === "succeeded" ? "#4CAF50" : "#E05252";
     fill.style.width = "100%";
     document.getElementById("step").textContent =
-      ev.status === "succeeded" ? "✓ 运行成功" :
-      ev.status === "failed" ? "✗ 运行失败" : "已取消";
-    document.getElementById("stopBtn").textContent = "关闭";
-    document.getElementById("stopBtn").onclick = () => { require("electron").ipcRenderer.send("overlay:close"); };
-    setTimeout(() => { require("electron").ipcRenderer.send("overlay:close"); }, ev.status === "succeeded" ? 3000 : 10000);
+      ev.status === "succeeded" ? "\u2713 \u8FD0\u884C\u6210\u529F" :
+      ev.status === "failed" ? "\u2717 \u8FD0\u884C\u5931\u8D25" : "\u5DF2\u53D6\u6D88";
+    document.getElementById("stopBtn").textContent = "\u5173\u95ED";
+    document.getElementById("stopBtn").onclick = () => { ipcRenderer.send("overlay:close"); };
+    setTimeout(() => { ipcRenderer.send("overlay:close"); }, ev.status === "succeeded" ? 3000 : 10000);
   }
 });
 
 function stopRun() {
-  require("electron").ipcRenderer.send("overlay:stop");
+  ipcRenderer.send("overlay:stop");
 }
-<\/script>
+</scr` + `ipt>
 </body></html>`;
 
   overlayWindow.loadURL(`data:text/html;charset=utf-8,${encodeURIComponent(html)}`);