diff --git a/web/src/views/dashboard/Dashboard.vue b/web/src/views/dashboard/Dashboard.vue
index e160247..d470441 100644
--- a/web/src/views/dashboard/Dashboard.vue
+++ b/web/src/views/dashboard/Dashboard.vue
@@ -110,7 +110,7 @@ const renderLineChart = () => {
     ],
     chart: {
       type: 'line',
-      height: 240,
+      height: 300,
       toolbar: { show: false },
       background: 'transparent',
       animations: {
@@ -221,7 +221,7 @@ const renderLineChart = () => {
         </div>`
       }
     },
-    responsive: [{ breakpoint: 768, options: { chart: { height: 200 }, legend: { position: 'bottom', offsetY: 0 } } }]
+    responsive: [{ breakpoint: 768, options: { chart: { height: 260 }, legend: { position: 'bottom', offsetY: 0 } } }]
   }
   lineChart = new ApexCharts(container, options)
   lineChart.render()
@@ -247,7 +247,7 @@ const renderPieChart = () => {
     series: taskStats.value.map(item => item.count),
     chart: {
       type: 'donut',
-      height: 200,
+      height: 260,
       toolbar: { show: false },
       background: 'transparent',
       animations: {
@@ -334,7 +334,7 @@ const renderPieChart = () => {
       style: { fontSize: '12px', fontFamily: 'Inter, sans-serif' },
       y: { formatter: (val: number) => val + ' 次' }
     },
-    responsive: [{ breakpoint: 768, options: { chart: { height: 200 }, legend: { position: 'bottom' } } }]
+    responsive: [{ breakpoint: 768, options: { chart: { height: 260 }, legend: { position: 'bottom' } } }]
   }
   pieChart = new ApexCharts(container, options)
   pieChart.render()
@@ -401,13 +401,13 @@ onUnmounted(() => {
     </div>
 
     <div class="grid gap-4 lg:grid-cols-10">
-      <Card class="lg:col-span-7 h-[300px] sm:h-[340px]">
+      <Card class="lg:col-span-7 h-[400px] sm:h-[400px]">
         <CardHeader class="pb-2">
           <CardTitle class="text-base sm:text-lg">执行统计</CardTitle>
           <CardDescription class="text-xs sm:text-sm">最近{{ chartDays }}天任务执行情况</CardDescription>
         </CardHeader>
-        <CardContent>
-          <div id="stats-chart" class="w-full h-[200px] sm:h-[240px]">
+        <CardContent class="pb-8">
+          <div id="stats-chart" class="w-full h-[300px] sm:h-[300px]">
             <div v-if="!chartsLoaded" class="h-full flex items-center justify-center text-muted-foreground text-sm">
               加载中...
             </div>
@@ -415,13 +415,13 @@ onUnmounted(() => {
         </CardContent>
       </Card>
 
-      <Card class="lg:col-span-3 h-[300px] sm:h-[340px]">
+      <Card class="lg:col-span-3 h-[400px] sm:h-[400px]">
         <CardHeader class="pb-0">
           <CardTitle class="text-base sm:text-lg">任务占比</CardTitle>
           <CardDescription class="text-xs sm:text-sm">最近{{ chartDays }}天任务执行分布</CardDescription>
         </CardHeader>
-        <CardContent class="pt-0">
-          <div id="pie-chart" class="w-full h-[200px] sm:h-[240px]">
+        <CardContent class="pt-0 pb-8">
+          <div id="pie-chart" class="w-full h-[300px] sm:h-[300px]">
             <div v-if="!chartsLoaded" class="h-full flex items-center justify-center text-muted-foreground text-sm">
               加载中...
             </div>
diff --git a/web/src/views/login/Login.vue b/web/src/views/login/Login.vue
index 7025790..73dda19 100644
--- a/web/src/views/login/Login.vue
+++ b/web/src/views/login/Login.vue
@@ -19,7 +19,45 @@ const siteSubtitle = ref('轻量级定时任务管理系统')
 const siteIcon = ref('')
 const demoMode = ref(false)
 
+// 从 localStorage 加载缓存的站点设置
+function loadCachedSettings() {
+  try {
+    const cached = localStorage.getItem('site_settings')
+    if (cached) {
+      const settings = JSON.parse(cached)
+      siteTitle.value = settings.title || '白虎面板'
+      siteSubtitle.value = settings.subtitle || '轻量级定时任务管理系统'
+      siteIcon.value = settings.icon || ''
+      demoMode.value = settings.demo_mode || false
+      document.title = siteTitle.value
+      
+      // 设置 favicon
+      if (siteIcon.value && siteIcon.value.trim().startsWith('<svg')) {
+        const blob = new Blob([siteIcon.value], { type: 'image/svg+xml' })
+        const url = URL.createObjectURL(blob)
+        let link = document.querySelector("link[rel*='icon']") as HTMLLinkElement
+        if (!link) {
+          link = document.createElement('link')
+          link.rel = 'icon'
+          document.head.appendChild(link)
+        }
+        link.type = 'image/svg+xml'
+        link.href = url
+      }
+      
+      return true
+    }
+  } catch (e) {
+    console.error('加载缓存的站点设置失败:', e)
+  }
+  return false
+}
+
 async function loadSiteSettings() {
+  // 先加载缓存
+  const hasCached = loadCachedSettings()
+  
+  // 后台异步更新
   try {
     const res = await api.settings.getPublicSite()
     siteTitle.value = res.title || '白虎面板'
@@ -27,11 +65,21 @@ async function loadSiteSettings() {
     siteIcon.value = res.icon || ''
     demoMode.value = res.demo_mode || false
     document.title = siteTitle.value
+    
+    // 保存到 localStorage
+    localStorage.setItem('site_settings', JSON.stringify({
+      title: siteTitle.value,
+      subtitle: siteSubtitle.value,
+      icon: siteIcon.value,
+      demo_mode: demoMode.value
+    }))
+    
     // 演示模式下自动填充账号密码
     if (demoMode.value) {
       username.value = 'admin'
       password.value = '123456'
     }
+    
     // 设置 favicon
     if (siteIcon.value && siteIcon.value.trim().startsWith('<svg')) {
       const blob = new Blob([siteIcon.value], { type: 'image/svg+xml' })
@@ -46,7 +94,11 @@ async function loadSiteSettings() {
       link.href = url
     }
   } catch {
-    // 使用默认值
+    // 如果没有缓存，使用默认值
+    if (!hasCached) {
+      siteTitle.value = '白虎面板'
+      siteSubtitle.value = '轻量级定时任务管理系统'
+    }
   }
 }
 
diff --git a/web/src/views/tasks/RepoDialog.vue b/web/src/views/tasks/RepoDialog.vue
index e49321c..8253b6a 100644
--- a/web/src/views/tasks/RepoDialog.vue
+++ b/web/src/views/tasks/RepoDialog.vue
@@ -232,14 +232,14 @@ async function save() {
         </div>
         <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-2 sm:gap-3">
           <Label class="sm:text-right text-sm">超时/清理</Label>
-          <div class="sm:col-span-3 flex flex-wrap items-center gap-3">
+          <div class="sm:col-span-3 flex flex-wrap items-center gap-2">
             <div class="flex items-center gap-1.5">
-              <Input v-model.number="form.timeout" type="number" placeholder="30" class="w-16 h-8 text-sm" />
-              <span class="text-xs text-muted-foreground">分钟</span>
+              <Input v-model.number="form.timeout" type="number" placeholder="30" class="w-20 h-9 text-sm" />
+              <span class="text-sm text-muted-foreground whitespace-nowrap">分钟</span>
             </div>
             <div class="flex items-center gap-1.5">
               <Select :model-value="cleanType" @update:model-value="(v) => cleanType = String(v || 'none')">
-                <SelectTrigger class="w-20 h-8 text-sm">
+                <SelectTrigger class="w-24 h-9 text-sm">
                   <SelectValue placeholder="不清理" />
                 </SelectTrigger>
                 <SelectContent>
@@ -248,7 +248,7 @@ async function save() {
                   <SelectItem value="count">按条数</SelectItem>
                 </SelectContent>
               </Select>
-              <Input v-if="cleanType && cleanType !== 'none'" v-model.number="cleanKeep" type="number" :placeholder="cleanType === 'day' ? '天' : '条'" class="w-14 h-8 text-sm" />
+              <Input v-if="cleanType && cleanType !== 'none'" v-model.number="cleanKeep" type="number" :placeholder="cleanType === 'day' ? '7' : '100'" class="w-20 h-9 text-sm" />
             </div>
           </div>
         </div>
diff --git a/web/src/views/tasks/TaskDialog.vue b/web/src/views/tasks/TaskDialog.vue
index dfddab7..e69a641 100644
--- a/web/src/views/tasks/TaskDialog.vue
+++ b/web/src/views/tasks/TaskDialog.vue
@@ -217,14 +217,14 @@ async function save() {
         </div>
         <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-2 sm:gap-3">
           <Label class="sm:text-right text-sm">超时/清理</Label>
-          <div class="sm:col-span-3 flex flex-wrap items-center gap-3">
+          <div class="sm:col-span-3 flex flex-wrap items-center gap-2">
             <div class="flex items-center gap-1.5">
-              <Input v-model.number="form.timeout" type="number" placeholder="30" class="w-16 h-8 text-sm" />
-              <span class="text-xs text-muted-foreground">分钟</span>
+              <Input v-model.number="form.timeout" type="number" placeholder="30" class="w-20 h-9 text-sm" />
+              <span class="text-sm text-muted-foreground whitespace-nowrap">分钟</span>
             </div>
             <div class="flex items-center gap-1.5">
               <Select :model-value="cleanType" @update:model-value="(v) => cleanType = String(v || 'none')">
-                <SelectTrigger class="w-20 h-8 text-sm">
+                <SelectTrigger class="w-24 h-9 text-sm">
                   <SelectValue placeholder="不清理" />
                 </SelectTrigger>
                 <SelectContent>
@@ -233,7 +233,7 @@ async function save() {
                   <SelectItem value="count">按条数</SelectItem>
                 </SelectContent>
               </Select>
-              <Input v-if="cleanType && cleanType !== 'none'" v-model.number="cleanKeep" type="number" :placeholder="cleanType === 'day' ? '天' : '条'" class="w-14 h-8 text-sm" />
+              <Input v-if="cleanType && cleanType !== 'none'" v-model.number="cleanKeep" type="number" :placeholder="cleanType === 'day' ? '7' : '100'" class="w-20 h-9 text-sm" />
             </div>
           </div>
         </div>