diff --git a/web/src/components/AgentChatComponent.vue b/web/src/components/AgentChatComponent.vue
index defffa56..83721615 100644
--- a/web/src/components/AgentChatComponent.vue
+++ b/web/src/components/AgentChatComponent.vue
@@ -1143,16 +1143,17 @@ watch(
 }
 
 .chat-main {
-  flex: 1;
+  flex: 4;
   display: flex;
   flex-direction: column;
   overflow-y: auto; /* Scroll is here now */
   position: relative;
   transition: flex 0.4s ease;
+  min-width: 0; /* Prevent flex item from overflowing */
 }
 
 .agent-panel-wrapper {
-  flex: 1; /* 1:1 ratio with chat-main */
+  flex: 3; /* 4:3 ratio with chat-main */
   height: calc(100% - 32px);
   overflow: hidden;
   z-index: 20;
@@ -1162,20 +1163,21 @@ watch(
   border-radius: 12px;
   box-shadow: 0 4px 20px var(--shadow-1);
   border: 1px solid var(--gray-200);
+  min-width: 0; /* Prevent flex item from overflowing */
 }
 
 /* Workbench transition animations */
 .panel-slide-enter-active,
 .panel-slide-leave-active {
   transition:
-    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
-    opacity 0.3s ease,
-    flex 0.4s ease;
+    transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
+    opacity 0.15s ease,
+    flex 0.2s ease;
 }
 
 .panel-slide-enter-from,
 .panel-slide-leave-to {
-  transform: translateX(30px) scale(0.98);
+  transform: translateX(20px) scale(0.98);
   opacity: 0;
   flex: 0 0 0; /* Shrink to zero width during transition */
   margin-left: -16px; /* Compensate for margin during close */
diff --git a/web/src/components/AgentInputArea.vue b/web/src/components/AgentInputArea.vue
index 9d5f1a7d..3b0c2743 100644
--- a/web/src/components/AgentInputArea.vue
+++ b/web/src/components/AgentInputArea.vue
@@ -38,7 +38,7 @@
           @click="$emit('toggle-panel')"
           title="查看工作状态"
         >
-          <FolderDot :size="16" />
+          <FolderCode :size="14" />
           <span>状态</span>
         </div>
       </div>
@@ -55,7 +55,7 @@ import AttachmentOptionsComponent from '@/components/AttachmentOptionsComponent.
 import { threadApi } from '@/apis'
 import { AgentValidator } from '@/utils/agentValidator'
 import { handleChatError, handleValidationError } from '@/utils/errorHandler'
-import { FolderDot } from 'lucide-vue-next'
+import { FolderCode } from 'lucide-vue-next'
 
 const props = defineProps({
   modelValue: { type: String, default: '' },
diff --git a/web/src/components/AgentPanel.vue b/web/src/components/AgentPanel.vue
index 6eadc813..b2e80367 100644
--- a/web/src/components/AgentPanel.vue
+++ b/web/src/components/AgentPanel.vue
@@ -1,7 +1,10 @@
 <template>
   <div class="agent-panel">
     <div class="panel-header">
-      <div class="panel-title">状态工作台</div>
+      <div class="panel-title">
+        <FolderCode :size="16" class="header-icon" />
+        <span><strong>状态工作台</strong></span>
+      </div>
       <div class="header-actions">
         <a-button type="text" class="refresh-btn" @click="emitRefresh">
           <template #icon><RefreshCw :size="16" /></template>
@@ -18,15 +21,13 @@
         class="tab"
         :class="{ active: activeTab === 'todos' }"
         @click="activeTab = 'todos'"
-        v-if="hasTodos"
       >
-        任务 ({{ todoCount }})
+        任务 ({{ completedCount }}/{{ todos.length }})
       </button>
       <button
         class="tab"
         :class="{ active: activeTab === 'files' }"
         @click="activeTab = 'files'"
-        v-if="hasFiles"
       >
         文件 ({{ fileCount }})
       </button>
@@ -34,7 +35,6 @@
         class="tab"
         :class="{ active: activeTab === 'attachments' }"
         @click="activeTab = 'attachments'"
-        v-if="hasAttachments"
       >
         附件 ({{ attachmentCount }})
       </button>
@@ -211,15 +211,14 @@
 </template>
 
 <script setup>
-import { computed, ref, watch } from 'vue'
-import { Download, X, Plus, Info } from 'lucide-vue-next'
+import { computed, ref } from 'vue'
+import { Download, X, Plus, Info, FolderCode } from 'lucide-vue-next'
 import {
   CheckCircleOutlined,
   SyncOutlined,
   ClockCircleOutlined,
   CloseCircleOutlined,
-  QuestionCircleOutlined,
-  DownloadOutlined
+  QuestionCircleOutlined
 } from '@ant-design/icons-vue'
 import { MdPreview } from 'md-editor-v3'
 import 'md-editor-v3/lib/preview.css'
@@ -267,20 +266,8 @@ const attachments = computed(() => {
   return props.agentState?.attachments || []
 })
 
-const hasTodos = computed(() => {
-  return todos.value.length > 0
-})
-
-const hasFiles = computed(() => {
-  return files.value.length > 0
-})
-
-const hasAttachments = computed(() => {
-  return attachments.value.length > 0
-})
-
-const todoCount = computed(() => {
-  return todos.value.length
+const completedCount = computed(() => {
+  return todos.value.filter(t => t.status === 'completed').length
 })
 
 // 适配实际数据格式
@@ -321,23 +308,6 @@ const attachmentCount = computed(() => {
   return normalizedAttachments.value.length
 })
 
-// 监听 agentState 变化，自动选择有内容的标签
-watch(
-  () => props.agentState,
-  (newState) => {
-    if (newState) {
-      if (hasAttachments.value && !hasFiles.value && !hasTodos.value) {
-        activeTab.value = 'attachments'
-      } else if (hasFiles.value && !hasTodos.value) {
-        activeTab.value = 'files'
-      } else if (hasTodos.value) {
-        activeTab.value = 'todos'
-      }
-    }
-  },
-  { immediate: true }
-)
-
 // 方法
 const getFileName = (fileItem) => {
   if (fileItem.path) {
@@ -440,16 +410,23 @@ const emitRefresh = () => {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  padding: 0 16px;
-  height: 48px;
+  padding: 0 12px;
+  height: 40px;
   border-bottom: 1px solid var(--gray-200);
   flex-shrink: 0;
 }
 
 .panel-title {
+  display: flex;
+  align-items: center;
+  gap: 6px;
   font-weight: 600;
-  font-size: 15px;
+  font-size: 13px;
   color: var(--gray-900);
+
+  .header-icon {
+    color: var(--gray-700);
+  }
 }
 
 .header-actions {
@@ -487,41 +464,33 @@ const emitRefresh = () => {
 
 .tabs {
   display: flex;
-  border-bottom: 1px solid var(--gray-200);
+  border-bottom: 1px solid var(--gray-100);
   position: relative;
   align-items: center;
-  padding: 0 16px;
+  padding: 4px 6px;
+  gap: 4px;
   flex-shrink: 0;
 }
 
 .tab {
-  padding: 12px 16px;
+  padding: 4px 12px;
   border: none;
   background: none;
   color: var(--gray-600);
   cursor: pointer;
-  font-size: 14px;
+  font-size: 12px;
   font-weight: 500;
   transition: all 0.15s ease;
-  position: relative;
+  border-radius: 999px;
 
   &:hover {
-    color: var(--main-700);
+    background: var(--gray-100);
+    color: var(--gray-900);
   }
 
   &.active {
-    color: var(--main-700);
-
-    &::after {
-      content: '';
-      position: absolute;
-      bottom: -1px;
-      left: 0;
-      right: 0;
-      height: 2px;
-      background: var(--main-500);
-      border-radius: 1px;
-    }
+    background: var(--gray-100);
+    color: var(--gray-900);
   }
 }
 
diff --git a/web/src/components/AttachmentOptionsComponent.vue b/web/src/components/AttachmentOptionsComponent.vue
index 053982fd..8c3b5bb1 100644
--- a/web/src/components/AttachmentOptionsComponent.vue
+++ b/web/src/components/AttachmentOptionsComponent.vue
@@ -13,7 +13,7 @@
         />
         <a-tooltip title="支持 txt/md/docx/html 格式 ≤ 5 MB" placement="right">
           <div class="option-content">
-            <FileText :size="18" class="option-icon" />
+            <FileText :size="14" class="option-icon" />
             <span class="option-text">添加附件</span>
           </div>
         </a-tooltip>
@@ -23,7 +23,7 @@
     <div class="option-item" @click="handleImageUpload">
       <a-tooltip title="支持 jpg/jpeg/png/gif， ≤ 5 MB" placement="right">
         <div class="option-content">
-          <Image :size="18" class="option-icon" />
+          <Image :size="14" class="option-icon" />
           <span class="option-text">上传图片</span>
         </div>
       </a-tooltip>
@@ -171,9 +171,9 @@ const processImageUpload = async (file) => {
   display: flex;
   align-items: center;
   gap: 10px;
-  padding: 8px 12px;
+  padding: 6px 10px;
   color: var(--gray-700);
-  font-size: 14px;
+  font-size: 12px;
   border-radius: 6px;
   transition: all 0.15s ease;
 
diff --git a/web/src/components/ToolCallingResult/tools/KnowledgeBaseTool.vue b/web/src/components/ToolCallingResult/tools/KnowledgeBaseTool.vue
index 629a7b7d..b57bfede 100644
--- a/web/src/components/ToolCallingResult/tools/KnowledgeBaseTool.vue
+++ b/web/src/components/ToolCallingResult/tools/KnowledgeBaseTool.vue
@@ -18,7 +18,7 @@
       </div>
 
       <!-- search 操作：原有的文件分组显示 -->
-      <div v-else class="knowledge-base-result">
+      <div v-else-if="isArrayResult(resultContent)" class="knowledge-base-result">
         <div class="result-summary">
           找到 {{ parsedData(resultContent).length }} 个相关文档片段，来自
           {{ fileGroups(parsedData(resultContent)).length }} 个文件
@@ -131,6 +131,13 @@
           </div>
         </a-modal>
       </div>
+
+      <!-- 纯文本结果显示 -->
+      <div v-else class="knowledge-base-result">
+        <div class="plain-text-result">
+          <pre class="plain-text-content">{{ resultContent }}</pre>
+        </div>
+      </div>
     </template>
   </BaseToolCall>
 </template>
@@ -200,6 +207,20 @@ const parseData = (content) => {
 
 const parsedData = (content) => parseData(content)
 
+// 判断结果是否为数组（搜索结果）
+const isArrayResult = (content) => {
+  if (Array.isArray(content)) return true
+  if (typeof content === 'string') {
+    try {
+      const parsed = JSON.parse(content)
+      return Array.isArray(parsed)
+    } catch {
+      return false
+    }
+  }
+  return false
+}
+
 // 管理展开状态
 const expandedFiles = ref(new Set())
 
@@ -297,6 +318,21 @@ const formatMindmapResult = (content) => {
     }
   }
 
+  .plain-text-result {
+    padding: 12px 16px;
+    max-height: 300px;
+    overflow-y: auto;
+
+    .plain-text-content {
+      margin: 0;
+      font-size: 13px;
+      line-height: 1.6;
+      color: var(--gray-700);
+      white-space: pre-wrap;
+      word-break: break-word;
+    }
+  }
+
   .result-summary {
     padding: 12px 16px;
     background: var(--gray-25);