diff --git a/web/src/components/LogDetailCard.vue b/web/src/components/LogDetailCard.vue
index 5b39a0a..2a13de7 100644
--- a/web/src/components/LogDetailCard.vue
+++ b/web/src/components/LogDetailCard.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { ref } from 'vue'
+import { ref, onMounted, onUnmounted, watch } from 'vue'
 import { 
   X, Trash2, Maximize2, CheckCircle2, XCircle, AlertCircle, Clock, Ban, 
   Zap as ZapIcon, Search, MinusCircle
@@ -43,13 +43,56 @@ defineEmits<{
 }>()
 
 const searchKeyword = ref('')
+const currentDuration = ref(props.log?.duration || 0)
+let timer: ReturnType<typeof setInterval> | null = null
 
 function formatDuration(ms: number): string {
-  if (ms < 1000) return `${ms}毫秒`
+  if (ms <= 0) return '0毫秒'
+  if (ms < 1000) return `${ms.toFixed(0)}毫秒`
   if (ms < 60000) return `${(ms / 1000).toFixed(1)}秒`
   return `${(ms / 60000).toFixed(1)}分钟`
 }
 
+const startTimer = () => {
+  stopTimer()
+  if (!props.log || props.log.status !== TASK_STATUS.RUNNING || !props.log.start_time) return
+  
+  const startTime = new Date(props.log.start_time).getTime()
+  timer = setInterval(() => {
+    currentDuration.value = Date.now() - startTime
+  }, 100)
+}
+
+const stopTimer = () => {
+  if (timer) {
+    clearInterval(timer)
+    timer = null
+  }
+}
+
+onMounted(() => {
+  startTimer()
+})
+
+onUnmounted(() => {
+  stopTimer()
+})
+
+watch(() => props.log?.status, (newStatus) => {
+  if (newStatus === TASK_STATUS.RUNNING) {
+    startTimer()
+  } else {
+    stopTimer()
+    if (props.log) currentDuration.value = props.log.duration
+  }
+})
+
+watch(() => props.log?.duration, (newVal) => {
+  if (props.log?.status !== TASK_STATUS.RUNNING) {
+    currentDuration.value = newVal || 0
+  }
+})
+
 function getStatusBadgeClass(status: string) {
   switch (status) {
     case TASK_STATUS.SUCCESS:
@@ -74,44 +117,77 @@ function getStatusBadgeClass(status: string) {
 
 <template>
   <div v-if="log" class="w-full h-full flex flex-col overflow-hidden bg-card">
-    <!-- 头部菜单 -->
-    <div class="flex items-center justify-between px-4 h-11 border-b bg-muted/20 shrink-0 gap-4">
-      <div class="flex items-center gap-3 min-w-0">
-        <span class="text-sm font-normal text-muted-foreground whitespace-nowrap">{{ title }}</span>
-        
-        <!-- Simple 模式下的状态显示 -->
-        <Badge v-if="variant === 'simple'" variant="outline" :class="[
-          'px-2 py-0.5 font-normal rounded-full border text-[10px] hidden sm:flex',
-          getStatusBadgeClass(log.status)
-        ]">
-          {{ TASK_STATUS_TEXT[log.status] || log.status }}
-        </Badge>
+    <!-- 头部菜单 (响应式两行布局) -->
+    <div class="flex flex-col border-b bg-muted/20 shrink-0">
+      <!-- 第一行: 标题与核心控制按钮 -->
+      <div class="flex items-center justify-between px-4 h-11 gap-4">
+        <div class="flex items-center gap-2 min-w-0">
+          <span class="text-sm font-medium text-foreground whitespace-nowrap truncate">{{ title }}</span>
+          
+          <!-- Simple 模式下的状态显示 -->
+          <Badge v-if="variant === 'simple'" variant="outline" :class="[
+            'px-2 py-0.5 font-normal rounded-full border text-[10px] flex',
+            getStatusBadgeClass(log.status)
+          ]">
+            {{ TASK_STATUS_TEXT[log.status] || log.status }}
+          </Badge>
 
-        <Button v-if="log.status === TASK_STATUS.RUNNING" variant="destructive" size="sm"
-          class="h-6 px-2 text-[10px]" :disabled="isStopping" @click="$emit('stop')">
-          {{ isStopping ? '停止中...' : '停止任务' }}
-        </Button>
-      </div>
-
-      <div class="flex items-center gap-2">
-        <!-- Searchbox for Simple mode -->
-        <div v-if="variant === 'simple'" class="relative flex-1 sm:flex-none">
-          <Search class="absolute left-2.5 top-1/2 -translate-y-1/2 h-3.5 w-3.5 text-muted-foreground" />
-          <Input v-model="searchKeyword" placeholder="搜索内容..." class="h-7 pl-8 w-full sm:w-48 text-xs bg-muted/30" />
+          <!-- 详情模式下的停止按钮 (始终在第一行进入) -->
+          <Button v-if="log.status === TASK_STATUS.RUNNING && variant === 'full'" variant="destructive" size="sm"
+            class="h-6 px-2 text-[10px] shrink-0" :disabled="isStopping" @click="$emit('stop')">
+            {{ isStopping ? '停止中' : '停止任务' }}
+          </Button>
         </div>
 
-        <Button v-if="variant === 'simple'" variant="ghost" size="icon" class="h-7 w-7 text-muted-foreground"
-          title="全屏切换" @click="$emit('maximize')">
-          <Maximize2 class="h-3.5 w-3.5" />
+        <div class="flex items-center gap-1.5 shrink-0">
+          <!-- 极简模式桌面端显示的停止按钮 -->
+          <Button v-if="log.status === TASK_STATUS.RUNNING && variant === 'simple'" variant="destructive" size="sm"
+            class="h-7 px-2 text-[10px] hidden sm:flex" :disabled="isStopping" @click="$emit('stop')">
+            {{ isStopping ? '停止中' : '停止任务' }}
+          </Button>
+
+          <div class="flex items-center">
+            <Button v-if="variant === 'simple'" variant="ghost" size="icon" class="h-8 w-8 text-muted-foreground"
+              title="全屏切换" @click="$emit('maximize')">
+              <Maximize2 class="h-4 w-4" />
+            </Button>
+
+            <Button variant="ghost" size="icon" class="h-8 w-8 text-muted-foreground hover:text-destructive"
+              title="删除该日志" @click="$emit('delete', log.id)">
+              <Trash2 class="h-4 w-4" />
+            </Button>
+            
+            <Button v-if="showClose" variant="ghost" size="icon" class="h-8 w-8" @click="$emit('close')" title="关闭">
+              <X class="h-4 w-4" />
+            </Button>
+          </div>
+        </div>
+      </div>
+
+      <!-- 第二行: 工具栏 (仅在极简模式的移动端展示) -->
+      <div v-if="variant === 'simple'" 
+        class="flex items-center gap-2 px-4 pb-3 sm:hidden border-t pt-2 mt-0.5 border-dashed border-muted-foreground/10">
+        
+        <!-- 极简模式移动端停止按钮 -->
+        <Button v-if="log.status === TASK_STATUS.RUNNING" variant="destructive" size="sm"
+          class="h-8 px-3 text-xs gap-1.5 flex-1 max-w-[120px]" :disabled="isStopping" @click="$emit('stop')">
+          <Ban class="h-3.5 w-3.5" />
+          {{ isStopping ? '停止中' : '停止' }}
         </Button>
 
-        <Button variant="ghost" size="icon" class="h-7 w-7 text-muted-foreground hover:text-destructive"
-          title="删除该日志" @click="$emit('delete', log.id)">
-          <Trash2 class="h-3.5 w-3.5" />
-        </Button>
-        <Button v-if="showClose" variant="ghost" size="icon" class="h-7 w-7" @click="$emit('close')" title="关闭">
-          <X class="h-3.5 w-3.5" />
-        </Button>
+        <!-- 极简模式移动端搜索框 -->
+        <div class="relative flex-1">
+          <Search class="absolute left-2.5 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
+          <Input v-model="searchKeyword" placeholder="搜索日志内容..." class="h-8 pl-8 w-full text-sm bg-background/50 border-none shadow-inner" />
+        </div>
+      </div>
+
+      <!-- 桌面端搜索栏 (Simple 模式) -->
+      <div v-if="variant === 'simple'" class="hidden sm:flex items-center px-4 pb-2 -mt-1">
+        <div class="relative w-64">
+          <Search class="absolute left-2.5 top-1/2 -translate-y-1/2 h-3.5 w-3.5 text-muted-foreground" />
+          <Input v-model="searchKeyword" placeholder="搜索内容..." class="h-7 pl-8 w-full text-xs bg-background/50" />
+        </div>
       </div>
     </div>
 
@@ -145,7 +221,7 @@ function getStatusBadgeClass(status: string) {
       </div>
       <div class="flex justify-between items-center h-6">
         <span class="text-sm font-normal text-muted-foreground">耗时</span>
-        <span class="text-sm font-normal text-muted-foreground">{{ formatDuration(log.duration) }}</span>
+        <span class="text-sm font-normal text-muted-foreground">{{ formatDuration(currentDuration) }}</span>
       </div>
       <div class="flex justify-between items-center h-6">
         <span class="text-sm font-normal text-muted-foreground">开始时间</span>