modify publick curriculum

src/main/index.ts

@@ -12,6 +12,9 @@ import https from 'https'
 
 let mainWindow: BrowserWindow | null = null
 let splashWindow: BrowserWindow | null = null
+const MIN_SPLASH_VISIBLE_MS = 2000
+let splashVisibleStartedAt = 0
+let splashCloseTimer: NodeJS.Timeout | null = null
 const terminalProcesses = new Map<string, ChildProcessWithoutNullStreams>()
 const terminalStopTimers = new Map<string, NodeJS.Timeout>()
 const intentionalTerminalStops = new Set<string>()
@@ -3176,8 +3179,16 @@ function createSplashWindow(): void {
     }
   })
 
-  splashWindow.once('ready-to-show', () => splashWindow?.show())
+  splashVisibleStartedAt = Date.now()
+  splashWindow.once('ready-to-show', () => {
+    splashVisibleStartedAt = Date.now()
+    splashWindow?.show()
+  })
   splashWindow.on('closed', () => {
+    if (splashCloseTimer) {
+      clearTimeout(splashCloseTimer)
+      splashCloseTimer = null
+    }
     splashWindow = null
   })
   splashWindow.loadFile(join(__dirname, '../renderer/splash.html')).catch((error) => {
@@ -3194,6 +3205,18 @@ function updateSplashStatus(message: string): void {
 }
 
 function closeSplashAndShowMain(): void {
+  if (splashCloseTimer) return
+  const elapsed = splashVisibleStartedAt ? Date.now() - splashVisibleStartedAt : MIN_SPLASH_VISIBLE_MS
+  const remaining = Math.max(0, MIN_SPLASH_VISIBLE_MS - elapsed)
+
+  if (remaining > 0) {
+    splashCloseTimer = setTimeout(() => {
+      splashCloseTimer = null
+      closeSplashAndShowMain()
+    }, remaining)
+    return
+  }
+
   if (mainWindow && !mainWindow.isDestroyed() && !mainWindow.isVisible()) {
     splashWindow?.close()
     splashWindow = null