diff --git a/docs/develop-guides/roadmap.md b/docs/develop-guides/roadmap.md
index 6162eed8..67f06027 100644
--- a/docs/develop-guides/roadmap.md
+++ b/docs/develop-guides/roadmap.md
@@ -22,6 +22,7 @@
 - [ ] 子智能体的双向通信，缺少 ask_for_main_agent 的机制
 - [ ] 子智能体与子智能体的通信机制
 - [ ] 如何停掉一个子智能体、查看智能体的进度
+- [ ] 优化 Agent `read_file` 工具：至少对齐 DeepAgents 的读取行为
 - [ ] RAG 评估支持 Agent 模式 <Badge text="v0.7.1" />
 - [ ] 添加 Agent 独立调用接口，方便后续评估使用
 - [ ] 任务队列 <Badge text="v0.7.2" />
diff --git a/web/src/components/AgentChatComponent.vue b/web/src/components/AgentChatComponent.vue
index a218143f..1d6ffcda 100644
--- a/web/src/components/AgentChatComponent.vue
+++ b/web/src/components/AgentChatComponent.vue
@@ -29,7 +29,7 @@
             aria-controls="agent-state-panel"
             @click.stop="toggleStatePanel"
           >
-            <SquareCheck size="18" class="nav-btn-icon" />
+            <LayoutList size="18" class="nav-btn-icon" />
             <span class="hide-text">状态</span>
           </button>
           <button
@@ -157,6 +157,9 @@
                 @remove-attachment="handleAttachmentRemove"
               >
                 <template #actions-left-extra>
+                  <slot name="input-actions-left" :has-active-thread="!!currentChatId"></slot>
+                </template>
+                <template #actions-right-extra>
                   <div class="input-model-selector">
                     <ModelSelectorComponent
                       :model_spec="currentModelSpec"
@@ -166,9 +169,6 @@
                       @select-model="handleModelSelect"
                     />
                   </div>
-                  <slot name="input-actions-left" :has-active-thread="!!currentChatId"></slot>
-                </template>
-                <template #actions-right-extra>
                   <slot name="input-actions-right" :has-active-thread="!!currentChatId"></slot>
                 </template>
               </AgentInputArea>
@@ -497,7 +497,7 @@ import {
   onDeactivated
 } from 'vue'
 import { message } from 'ant-design-vue'
-import { ChevronDown, FolderKanban, RefreshCw, SquareCheck } from 'lucide-vue-next'
+import { ChevronDown, FolderKanban, RefreshCw, LayoutList } from 'lucide-vue-next'
 import { formatFileSize } from '@/utils/file_utils'
 import FileTypeIcon from '@/components/common/FileTypeIcon.vue'
 import { generatePixelAvatar } from '@/utils/pixelAvatar'
@@ -2757,7 +2757,8 @@ watch(currentChatId, (threadId, oldThreadId) => {
 
 .side-panel--state.is-docked {
   align-self: flex-start;
-  margin: 0 8px 8px 0;
+  margin: 8px 8px 8px 0;
+  max-height: calc(100% - 16px);
 }
 
 .side-panel--state.is-floating {
diff --git a/web/src/components/ModelSelectorComponent.vue b/web/src/components/ModelSelectorComponent.vue
index 318d1301..e6c49f14 100644
--- a/web/src/components/ModelSelectorComponent.vue
+++ b/web/src/components/ModelSelectorComponent.vue
@@ -122,6 +122,7 @@ const v2Models = ref({})
 const loadingV2Models = ref(false)
 const dropdownOpen = ref(false)
 const modelSearchKeyword = ref('')
+let fetchV2ModelsPromise = null
 
 const filteredV2Models = computed(() => {
   const keyword = modelSearchKeyword.value.trim().toLowerCase()
@@ -165,28 +166,42 @@ const getProviderDisplayName = (providerId, providerData = {}) => {
 
 // 拉取 v2 模型列表
 const fetchV2Models = async () => {
-  if (loadingV2Models.value) return
+  if (fetchV2ModelsPromise) return fetchV2ModelsPromise
+
   loadingV2Models.value = true
-  try {
-    const response = await modelProviderApi.getV2Models('chat')
-    if (response.success) {
-      v2Models.value = response.data || {}
+  fetchV2ModelsPromise = (async () => {
+    try {
+      const response = await modelProviderApi.getV2Models('chat')
+      if (response.success) {
+        v2Models.value = response.data || {}
+      }
+    } catch (error) {
+      console.warn('Failed to load v2 models:', error)
+    } finally {
+      loadingV2Models.value = false
+      fetchV2ModelsPromise = null
     }
-  } catch (error) {
-    console.warn('Failed to load v2 models:', error)
-  } finally {
-    loadingV2Models.value = false
-  }
+  })()
+
+  return fetchV2ModelsPromise
 }
 
-// 下拉展开时触发实时刷新（仅在打开瞬间触发，关闭时忽略）
-const handleOpenChange = (open) => {
+// 下拉展开前先刷新模型列表，避免弹层打开后再因数据加载发生高度跳变。
+const handleOpenChange = async (open) => {
   if (props.disabled) {
     dropdownOpen.value = false
     return
   }
-  dropdownOpen.value = open
-  if (open) fetchV2Models()
+
+  if (!open) {
+    dropdownOpen.value = false
+    return
+  }
+
+  await fetchV2Models()
+  if (!props.disabled) {
+    dropdownOpen.value = true
+  }
 }
 
 // 强制刷新缓存
diff --git a/web/src/components/StatusBar.vue b/web/src/components/StatusBar.vue
index a0178051..d4e4689a 100644
--- a/web/src/components/StatusBar.vue
+++ b/web/src/components/StatusBar.vue
@@ -21,13 +21,46 @@
           <User class="icon" />
           <span class="user-greeting">{{ greeting }}</span>
         </div>
-        <div class="task-center-entry" @click="openTaskCenter">
-          <a-badge :count="activeTaskCount" :overflow-count="99" class="task-center-badge">
-            <span class="task-center-button">
+        <div class="header-actions">
+          <a-tooltip title="系统设置">
+            <button
+              type="button"
+              class="header-action-button"
+              aria-label="系统设置"
+              @click="openSettings"
+            >
+              <Settings class="icon" />
+            </button>
+          </a-tooltip>
+          <a-tooltip :title="themeStore.isDark ? '切换到浅色模式' : '切换到深色模式'">
+            <button
+              type="button"
+              class="header-action-button"
+              aria-label="切换主题"
+              @click="toggleTheme"
+            >
+              <Sun v-if="themeStore.isDark" class="icon" />
+              <Moon v-else class="icon" />
+            </button>
+          </a-tooltip>
+          <a-tooltip title="任务中心">
+            <button
+              type="button"
+              class="header-action-button task-center-button"
+              :class="{ active: taskerStore.isDrawerOpen }"
+              aria-label="任务中心"
+              @click="openTaskCenter"
+            >
               <ClipboardList class="icon" />
               <span class="task-center-label">任务中心</span>
-            </span>
-          </a-badge>
+              <a-badge
+                :count="activeTaskCount"
+                :overflow-count="99"
+                class="task-center-badge"
+                size="small"
+              />
+            </button>
+          </a-tooltip>
         </div>
       </div>
     </div>
@@ -35,11 +68,12 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted, onUnmounted } from 'vue'
+import { ref, computed, inject, onMounted, onUnmounted } from 'vue'
 import { useInfoStore } from '@/stores/info'
 import { useUserStore } from '@/stores/user'
-import { Clock, User, ClipboardList } from 'lucide-vue-next'
+import { Clock, User, ClipboardList, Settings, Sun, Moon } from 'lucide-vue-next'
 import { useTaskerStore } from '@/stores/tasker'
+import { useThemeStore } from '@/stores/theme'
 import { storeToRefs } from 'pinia'
 import dayjs from '@/utils/time'
 
@@ -47,7 +81,9 @@ import dayjs from '@/utils/time'
 const infoStore = useInfoStore()
 const userStore = useUserStore()
 const taskerStore = useTaskerStore()
+const themeStore = useThemeStore()
 const { activeCount: activeCountRef } = storeToRefs(taskerStore)
+const { openSettingsModal } = inject('settingsModal', {})
 
 // 响应式数据
 const currentTime = ref('')
@@ -86,6 +122,14 @@ const openTaskCenter = () => {
   taskerStore.openDrawer()
 }
 
+const openSettings = () => {
+  openSettingsModal?.(userStore.isAdmin ? 'base' : 'account')
+}
+
+const toggleTheme = () => {
+  themeStore.toggleTheme()
+}
+
 // 更新时间
 const updateTime = () => {
   const now = dayjs().tz('Asia/Shanghai')
@@ -159,57 +203,62 @@ onUnmounted(() => {
 .status-right {
   display: flex;
   align-items: center;
-  gap: 18px;
+  gap: 16px;
   font-size: 13px;
 }
 
-.task-center-entry {
+.header-actions {
   display: flex;
   align-items: center;
-  cursor: pointer;
-  user-select: none;
+  gap: 4px;
 }
 
-.task-center-badge {
-  display: flex;
-  align-items: center;
-}
-
-.task-center-button {
+.header-action-button {
   display: inline-flex;
   align-items: center;
-  gap: 8px;
-  padding: 6px 14px;
-  border-radius: 999px;
+  justify-content: center;
+  gap: 6px;
+  height: 32px;
+  min-width: 32px;
+  padding: 0 8px;
+  border: 1px solid transparent;
+  border-radius: 8px;
   background-color: transparent;
-  color: var(--main-600, #2563eb);
+  color: var(--gray-600, #4b5563);
   font-size: 13px;
   font-weight: 500;
-  border: 1px solid rgba(37, 99, 235, 0.3);
+  cursor: pointer;
+  user-select: none;
   transition:
     background-color 0.2s ease,
     border-color 0.2s ease,
     color 0.2s ease;
+
+  &:hover,
+  &.active {
+    border-color: var(--gray-150, #e5e7eb);
+    background: var(--gray-0, #fff);
+    color: var(--gray-900, #111827);
+  }
+
+  .icon {
+    width: 16px;
+    height: 16px;
+    color: inherit;
+  }
 }
 
-.task-center-button .icon {
-  width: 15px;
-  height: 15px;
-  color: inherit;
+.task-center-button {
+  padding-right: 10px;
 }
 
 .task-center-label {
-  letter-spacing: 0.2px;
-}
-
-.task-center-entry:hover .task-center-button {
-  background-color: rgba(37, 99, 235, 0.08);
-  color: var(--main-700, #1d4ed8);
-  border-color: rgba(37, 99, 235, 0.5);
+  line-height: 1;
 }
 
 .task-center-badge :deep(.ant-badge-count) {
   background-color: var(--main-color, #1d4ed8);
+  box-shadow: 0 0 0 1px var(--gray-25, #f9fafb);
 }
 
 .time-info,
@@ -255,7 +304,15 @@ onUnmounted(() => {
   }
 
   .status-right {
-    gap: 12px;
+    gap: 8px;
+  }
+
+  .header-actions {
+    gap: 2px;
+  }
+
+  .task-center-label {
+    display: none;
   }
 
   .time-info,
diff --git a/web/src/components/ToolCallingResult/BaseToolCall.vue b/web/src/components/ToolCallingResult/BaseToolCall.vue
index 20375b58..7a6cc56f 100644
--- a/web/src/components/ToolCallingResult/BaseToolCall.vue
+++ b/web/src/components/ToolCallingResult/BaseToolCall.vue
@@ -313,7 +313,7 @@ const formatResultData = (data) => {
         }
 
         .description {
-          color: var(--gray-500);
+          color: var(--gray-600);
           overflow: hidden;
           text-overflow: ellipsis;
           white-space: nowrap;
@@ -329,7 +329,7 @@ const formatResultData = (data) => {
       :deep(.tag) {
         font-size: 11px;
         color: var(--gray-500);
-        background-color: var(--gray-50);
+        // background-color: var(--gray-50);
         padding: 0px 4px;
         border-radius: 4px;
         margin-left: 8px;
@@ -337,11 +337,11 @@ const formatResultData = (data) => {
 
         &.success {
           color: var(--color-success-500);
-          background-color: var(--color-success-50);
+          // background-color: var(--color-success-50);
         }
         &.error {
           color: var(--color-error-500);
-          background-color: var(--color-error-50);
+          // background-color: var(--color-error-50);
         }
       }
     }
diff --git a/web/src/components/ToolCallsGroupComponent.vue b/web/src/components/ToolCallsGroupComponent.vue
index 6c833d25..7091cf7e 100644
--- a/web/src/components/ToolCallsGroupComponent.vue
+++ b/web/src/components/ToolCallsGroupComponent.vue
@@ -9,7 +9,7 @@
       @click="toggleToolCallsExpanded"
     >
       <span class="summary-leading">
-        <Wrench size="14" />
+        <Atom size="14" />
       </span>
       <span class="summary-content">
         <span class="summary-title">{{ toolCallsSummaryTitle }}</span>
@@ -40,7 +40,7 @@
 
 <script setup>
 import { computed, ref, watch, inject } from 'vue'
-import { ChevronDown, ChevronRight, Wrench } from 'lucide-vue-next'
+import { ChevronDown, ChevronRight, Atom } from 'lucide-vue-next'
 import { ToolCallRenderer } from '@/components/ToolCallingResult'
 import { getToolCallId, normalizeToolCalls } from '@/components/ToolCallingResult/toolRegistry'
 
@@ -106,7 +106,7 @@ const getToolCallLabel = (toolCall) => {
 
 const toolCallsSummaryTitle = computed(() => {
   if (normalizedToolCalls.value.length === 1) {
-    return `使用了工具: ${getToolCallLabel(normalizedToolCalls.value[0])}`
+    return `调用: ${getToolCallLabel(normalizedToolCalls.value[0])}`
   }
   return `已调用 ${normalizedToolCalls.value.length} 个工具`
 })
@@ -211,7 +211,7 @@ const toggleToolCallsExpanded = () => {
       margin-left: 4px;
       font-size: 11px;
       padding: 0px 4px;
-      background: var(--gray-25);
+      // background: var(--gray-25);
       color: var(--gray-600);
       border-radius: 4px;
       white-space: nowrap;
diff --git a/web/src/components/dashboard/AgentStatsComponent.vue b/web/src/components/dashboard/AgentStatsComponent.vue
index 26188988..9cd34c2a 100644
--- a/web/src/components/dashboard/AgentStatsComponent.vue
+++ b/web/src/components/dashboard/AgentStatsComponent.vue
@@ -56,14 +56,13 @@
         <template #bodyCell="{ column, record, index }">
           <template v-if="column.key === 'rank'">
             <div class="rank-display">
-              <span v-if="index < 3" class="rank-medal">
-                {{ index === 0 ? '🥇' : index === 1 ? '🥈' : '🥉' }}
-              </span>
-              <span v-else class="rank-number">{{ index + 1 }}</span>
+              <span class="rank-number" :class="{ featured: index < 3 }">{{ index + 1 }}</span>
             </div>
           </template>
           <template v-if="column.key === 'agent_id'">
-            <a-tag color="blue">{{ resolveAgentName(record.agent_id) }}</a-tag>
+            <span class="agent-name" :title="resolveAgentName(record.agent_id)">
+              {{ resolveAgentName(record.agent_id) }}
+            </span>
           </template>
           <template v-if="column.key === 'satisfaction_rate'">
             <a-statistic
@@ -379,23 +378,38 @@ defineExpose({
   align-items: center;
   justify-content: center;
 
-  .rank-medal {
-    font-size: 20px;
-  }
-
   .rank-number {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     width: 24px;
     height: 24px;
-    background-color: var(--gray-100);
+    background-color: var(--gray-50);
     border-radius: 50%;
     font-size: 12px;
     font-weight: 600;
     color: var(--gray-600);
-    border: 1px solid var(--gray-200);
+    border: 1px solid var(--gray-150);
   }
+
+  .rank-number.featured {
+    background-color: var(--main-20);
+    border-color: var(--main-100);
+    color: var(--main-color);
+  }
+}
+
+.agent-name {
+  display: inline-block;
+  max-width: 100%;
+  color: var(--gray-900);
+  font-size: 13px;
+  font-weight: 500;
+  line-height: 1.4;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  vertical-align: middle;
+  white-space: nowrap;
 }
 
 // AgentStatsComponent 特有的样式
diff --git a/web/src/components/dashboard/StatsOverviewComponent.vue b/web/src/components/dashboard/StatsOverviewComponent.vue
index 508a2d44..39aa7c0c 100644
--- a/web/src/components/dashboard/StatsOverviewComponent.vue
+++ b/web/src/components/dashboard/StatsOverviewComponent.vue
@@ -7,7 +7,7 @@
         </div>
         <div class="stat-content">
           <div class="stat-value">{{ basicStats?.total_conversations || 0 }}</div>
-          <div class="stat-label">总对话数</div>
+          <div class="stat-label">累计会话</div>
           <div class="stat-trend" v-if="basicStats?.conversation_trend">
             <TrendingUp v-if="basicStats.conversation_trend > 0" class="trend-icon up" />
             <TrendingDown v-else-if="basicStats.conversation_trend < 0" class="trend-icon down" />
diff --git a/web/src/views/AgentView.vue b/web/src/views/AgentView.vue
index 4625b579..bcc9cdac 100644
--- a/web/src/views/AgentView.vue
+++ b/web/src/views/AgentView.vue
@@ -8,7 +8,7 @@
           :single-mode="false"
           @thread-change="handleThreadChange"
         >
-          <template #input-actions-right="{ hasActiveThread }">
+          <template #input-actions-left="{ hasActiveThread }">
             <a-dropdown
               v-if="selectedAgentId"
               v-model:open="agentDropdownOpen"