fix: 自动更新提示bug

src/App.vue

@@ -27,6 +27,7 @@
   }
 
   const VERSION_CHECK_INTERVAL = 5 * 60 * 1000
+  const VERSION_PROMPT_STORAGE_KEY = 'admin-xm-iot:confirmed-version-update'
   let versionCheckTimer: number | undefined
   let currentEntrySignature = ''
   let upgradePromptVisible = false
@@ -78,18 +79,69 @@
   }
 
   const getLoadedEntrySignature = () => {
-    return Array.from(document.querySelectorAll<HTMLScriptElement | HTMLLinkElement>('script[src],link[href]'))
+    return Array.from(
+      document.querySelectorAll<HTMLScriptElement | HTMLLinkElement>('script[src],link[href]')
+    )
       .map((element) => ('src' in element ? element.src : element.href))
       .filter((url) => /\/assets\/.*\.(js|css)(\?|$)/.test(url))
       .sort()
       .join('|')
   }
 
+  const getStringHash = (value: string) => {
+    let hash = 0
+
+    for (let i = 0; i < value.length; i++) {
+      hash = (hash << 5) - hash + value.charCodeAt(i)
+      hash |= 0
+    }
+
+    return Math.abs(hash).toString(36)
+  }
+
+  const getBrowserFingerprint = () => {
+    return getStringHash(
+      [
+        navigator.userAgent,
+        navigator.language,
+        navigator.platform,
+        Intl.DateTimeFormat().resolvedOptions().timeZone,
+        `${screen.width}x${screen.height}x${screen.colorDepth}`
+      ].join('|')
+    )
+  }
+
+  const getConfirmedVersionKey = (signature: string) => {
+    return `${getBrowserFingerprint()}:${getStringHash(signature)}`
+  }
+
+  const getConfirmedVersionUpdate = () => {
+    try {
+      return localStorage.getItem(VERSION_PROMPT_STORAGE_KEY)
+    } catch {
+      return null
+    }
+  }
+
+  const setConfirmedVersionUpdate = (signature: string) => {
+    try {
+      localStorage.setItem(VERSION_PROMPT_STORAGE_KEY, getConfirmedVersionKey(signature))
+    } catch {
+      // localStorage may be unavailable in private mode.
+    }
+  }
+
+  const reloadWithCacheBuster = () => {
+    const url = new URL(window.location.href)
+    url.searchParams.set('_t', Date.now().toString())
+    window.location.replace(url.toString())
+  }
+
   const checkVersionUpdate = async () => {
     if (upgradePromptVisible || document.hidden) return
 
     try {
-      const response = await fetch(`${window.location.origin}${import.meta.env.BASE_URL}`, {
+      const response = await fetch(import.meta.env.BASE_URL, {
         cache: 'no-store'
       })
       const html = await response.text()
@@ -103,14 +155,21 @@
       }
 
       if (currentEntrySignature !== latestSignature) {
+        if (getConfirmedVersionUpdate() === getConfirmedVersionKey(latestSignature)) {
+          currentEntrySignature = latestSignature
+          return
+        }
+
         upgradePromptVisible = true
         await ElMessageBox.alert('系统已发布新版本，请刷新页面后继续使用。', '发现新版本', {
-          confirmButtonText: '立即刷新',
+          confirmButtonText: '立即更新',
           type: 'warning',
           closeOnClickModal: false,
           closeOnPressEscape: false
         })
-        window.location.reload()
+        setConfirmedVersionUpdate(latestSignature)
+        currentEntrySignature = latestSignature
+        reloadWithCacheBuster()
       }
     } catch (error) {
       console.warn('检查版本更新失败:', error)