diff --git a/docs/develop-guides/roadmap.md b/docs/develop-guides/roadmap.md
index 80b2a64a..2da47409 100644
--- a/docs/develop-guides/roadmap.md
+++ b/docs/develop-guides/roadmap.md
@@ -45,6 +45,7 @@
 - 新增内置Skills reporter，并移除内置 Agent reporter，数据库报表将由 Skills 完成
 - 重构内置 Skills 安装机制：内置 skill 改为在管理页以“未安装”状态展示，支持按需安装、基于 `version + content_hash` 的更新提示与覆盖确认，并对已安装内置 skill 禁止在线文件编辑
 - 新增知识库 PDF、图片的预览功能
+- 优化扩展页工具列表筛选区：将“全部分类”筛选收纳为搜索框右侧的紧凑下拉入口，并复用扩展页侧栏工具条样式，避免影响其他管理组件布局
 
 <!-- 添加到这里 -->
 
diff --git a/web/src/assets/css/extensions.less b/web/src/assets/css/extensions.less
index e1b0052b..2e3ad3d7 100644
--- a/web/src/assets/css/extensions.less
+++ b/web/src/assets/css/extensions.less
@@ -30,6 +30,20 @@
   flex-direction: column;
   flex-shrink: 0;
 
+  .sidebar-toolbar {
+    padding: 8px 12px;
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    border-bottom: 1px solid var(--gray-150);
+
+    .search-box {
+      flex: 1;
+      min-width: 0;
+      padding: 0;
+    }
+  }
+
   .search-box {
     padding: 8px 12px 0;
 
@@ -76,6 +90,34 @@
     // }
   }
 
+  .sidebar-tool {
+    width: 28px;
+    height: 28px;
+    padding: 0;
+    border-radius: 8px;
+    border-color: var(--gray-150);
+    background-color: var(--gray-0);
+    color: var(--gray-500);
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+    box-shadow: none;
+
+    &:hover,
+    &:focus {
+      color: var(--gray-700);
+      border-color: var(--gray-200);
+      background-color: var(--gray-0);
+    }
+
+    &.active {
+      color: var(--main-color);
+      border-color: var(--main-color);
+      background-color: color-mix(in srgb, var(--main-color) 8%, var(--gray-0));
+    }
+  }
+
   .list-container {
     flex: 1;
     overflow-y: auto;
diff --git a/web/src/components/SkillsManagerComponent.vue b/web/src/components/SkillsManagerComponent.vue
index 90e8aaf2..9d858c6f 100644
--- a/web/src/components/SkillsManagerComponent.vue
+++ b/web/src/components/SkillsManagerComponent.vue
@@ -37,13 +37,14 @@
                   <span class="item-name">{{ skill.name }}</span>
                 </div>
                 <div class="item-status">
-                  <a-button
+                  <button
                     v-if="skill.status === 'update_available'"
-                    size="small"
+                    type="button"
+                    class="skill-inline-action skill-inline-action-secondary"
                     @click.stop="handleUpdateBuiltin(skill)"
                   >
                     更新
-                  </a-button>
+                  </button>
                   <span
                     v-else-if="skill.statusLabel"
                     class="status-chip"
@@ -92,9 +93,13 @@
                   <span class="item-name">{{ skill.name }}</span>
                 </div>
                 <div class="item-status">
-                  <a-button size="small" type="primary" @click.stop="handleInstallBuiltin(skill)">
+                  <button
+                    type="button"
+                    class="skill-inline-action skill-inline-action-primary"
+                    @click.stop="handleInstallBuiltin(skill)"
+                  >
                     安装
-                  </a-button>
+                  </button>
                 </div>
               </div>
               <div class="item-details item-details-inline">
@@ -144,43 +149,40 @@
                 >
                   {{ currentSkillStatusLabel }}
                 </span>
-                <a-button
+                <button
                   v-if="currentSkill.is_builtin_spec && currentSkill.status === 'not_installed'"
-                  type="primary"
-                  size="small"
+                  type="button"
                   @click="handleInstallBuiltin(currentSkill)"
-                  class="lucide-icon-btn"
+                  class="lucide-icon-btn skill-panel-action skill-panel-action-primary"
                 >
                   <span>安装</span>
-                </a-button>
-                <a-button
+                </button>
+                <button
                   v-if="currentSkill.is_builtin_spec && currentSkill.status === 'update_available'"
-                  size="small"
+                  type="button"
                   @click="handleUpdateBuiltin(currentSkill)"
-                  class="lucide-icon-btn"
+                  class="lucide-icon-btn skill-panel-action skill-panel-action-secondary"
                 >
                   <span>更新</span>
-                </a-button>
-                <a-button
+                </button>
+                <button
                   v-if="isInstalledSkill"
-                  size="small"
+                  type="button"
                   @click="handleExport"
-                  class="lucide-icon-btn"
+                  class="lucide-icon-btn skill-panel-action skill-panel-action-secondary"
                 >
                   <Download :size="14" />
                   <span>导出</span>
-                </a-button>
-                <a-button
-                  v-if="isInstalledSkill && !isBuiltinInstalledSkill"
-                  size="small"
-                  danger
-                  ghost
+                </button>
+                <button
+                  v-if="isInstalledSkill"
+                  type="button"
                   @click="confirmDeleteSkill"
-                  class="lucide-icon-btn"
+                  class="lucide-icon-btn skill-panel-action skill-panel-action-danger"
                 >
                   <Trash2 :size="14" />
-                  <span>删除</span>
-                </a-button>
+                  <span>{{ isBuiltinInstalledSkill ? '卸载' : '删除' }}</span>
+                </button>
               </a-space>
             </div>
           </div>
@@ -476,6 +478,10 @@ const isBuiltinInstalledSkill = computed(() => {
   return !!(isInstalledSkill.value && (currentSkill.value?.is_builtin || currentSkill.value?.installed_record))
 })
 
+const currentSkillDeleteActionText = computed(() => {
+  return isBuiltinInstalledSkill.value ? '卸载' : '删除'
+})
+
 const currentSkillStatusLabel = computed(() => {
   const skill = currentSkill.value
   if (!skill) return ''
@@ -777,22 +783,26 @@ const handleCreateNode = async () => {
 
 const confirmDeleteSkill = () => {
   if (!currentSkill.value || !isInstalledSkill.value) return
+  const actionText = currentSkillDeleteActionText.value
+  const detailText = isBuiltinInstalledSkill.value
+    ? '卸载后会移除已安装文件和数据库记录，但仍可从“未安装 Skills”中重新安装。'
+    : '删除后无法恢复，所有文件和配置将永久消失。'
   Modal.confirm({
-    title: `彻底删除技能「${currentSkill.value.slug}」？`,
-    content: '删除后无法恢复，所有文件和配置将永久消失。',
-    okText: '确认删除',
+    title: `确认${actionText}技能「${currentSkill.value.slug}」？`,
+    content: detailText,
+    okText: `确认${actionText}`,
     okType: 'danger',
     cancelText: '取消',
     onOk: async () => {
       try {
         await skillApi.deleteSkill(currentSkill.value.slug)
-        message.success('已删除')
+        message.success(`已${actionText}`)
         currentSkill.value = null
         treeData.value = []
         resetFileState()
         await fetchSkills()
       } catch {
-        message.error('删除失败')
+        message.error(`${actionText}失败`)
       }
     }
   })
@@ -975,6 +985,121 @@ defineExpose({
       }
     }
   }
+
+}
+
+.skill-inline-action {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 999px;
+  min-width: 52px;
+  height: 24px;
+  padding: 0 9px;
+  border-style: solid;
+  border-width: 1px;
+  box-shadow: none;
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 1;
+  transition:
+    background-color 0.18s ease,
+    border-color 0.18s ease,
+    color 0.18s ease;
+  cursor: pointer;
+  appearance: none;
+
+  &.skill-inline-action-primary {
+    border-color: transparent;
+    background: var(--main-600);
+    color: var(--main-0);
+  }
+
+  &.skill-inline-action-secondary {
+    border-color: var(--main-100);
+    background: var(--main-30);
+    color: var(--main-700);
+  }
+
+  &:hover,
+  &:focus {
+    outline: none;
+  }
+
+  &.skill-inline-action-primary:hover,
+  &.skill-inline-action-primary:focus {
+    background: var(--main-700);
+    color: var(--main-0);
+  }
+
+  &.skill-inline-action-secondary:hover,
+  &.skill-inline-action-secondary:focus {
+    border-color: var(--main-200);
+    background: var(--main-50);
+    color: var(--main-800);
+  }
+}
+
+.skill-panel-action {
+  min-height: 30px;
+  padding: 0 12px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 999px;
+  border-style: solid;
+  border-width: 1px;
+  box-shadow: none;
+  font-weight: 500;
+  transition:
+    background-color 0.18s ease,
+    border-color 0.18s ease,
+    color 0.18s ease;
+  cursor: pointer;
+  appearance: none;
+
+  &:hover,
+  &:focus {
+    outline: none;
+  }
+
+  &.skill-panel-action-primary {
+    border-color: transparent;
+    background: var(--main-600);
+    color: var(--main-0);
+  }
+
+  &.skill-panel-action-primary:hover,
+  &.skill-panel-action-primary:focus {
+    background: var(--main-700);
+    color: var(--main-0);
+  }
+
+  &.skill-panel-action-secondary {
+    border-color: var(--gray-200);
+    background: var(--gray-25);
+    color: var(--gray-700);
+
+    &:hover,
+    &:focus {
+      border-color: var(--gray-300);
+      color: var(--gray-900);
+      background: var(--gray-0);
+    }
+  }
+
+  &.skill-panel-action-danger {
+    border-color: var(--color-error-100);
+    background: var(--color-error-50);
+    color: var(--color-error-700);
+
+    &:hover,
+    &:focus {
+      border-color: var(--color-error-100);
+      background: var(--color-error-100);
+      color: var(--color-error-900);
+    }
+  }
 }
 
 .panel-status-chip {
diff --git a/web/src/components/ToolsManagerComponent.vue b/web/src/components/ToolsManagerComponent.vue
index 59930bea..541df954 100644
--- a/web/src/components/ToolsManagerComponent.vue
+++ b/web/src/components/ToolsManagerComponent.vue
@@ -6,29 +6,33 @@
     <div class="layout-wrapper" :class="{ 'content-loading': loading }">
       <!-- 左侧：工具列表 -->
       <div class="sidebar-list">
-        <div class="search-box">
-          <a-input
-            v-model:value="searchQuery"
-            placeholder="搜索工具..."
-            allow-clear
-            class="search-input"
-          >
-            <template #prefix><Search :size="14" class="text-muted" /></template>
-          </a-input>
-        </div>
-        <!-- 分类筛选 -->
-        <div class="category-filter">
-          <a-select
-            v-model:value="selectedCategory"
-            placeholder="全部分类"
-            allow-clear
-            style="width: 100%"
-          >
-            <a-select-option value="">全部分类</a-select-option>
-            <a-select-option v-for="cat in categories" :key="cat" :value="cat">
-              {{ categoryLabels[cat] || cat }}
-            </a-select-option>
-          </a-select>
+        <div class="sidebar-toolbar">
+          <div class="search-box">
+            <a-input
+              v-model:value="searchQuery"
+              placeholder="搜索工具..."
+              allow-clear
+              class="search-input"
+            >
+              <template #prefix><Search :size="14" class="text-muted" /></template>
+            </a-input>
+          </div>
+
+          <a-tooltip :title="`当前分类：${currentCategoryLabel}`">
+            <a-dropdown trigger="click">
+              <a-button class="sidebar-tool category-trigger" :class="{ active: !!selectedCategory }">
+                <SlidersHorizontal :size="14" />
+              </a-button>
+              <template #overlay>
+                <a-menu :selectedKeys="[selectedCategory || 'all']" @click="handleCategorySelect">
+                  <a-menu-item key="all">全部分类</a-menu-item>
+                  <a-menu-item v-for="cat in categories" :key="cat">
+                    {{ categoryLabels[cat] || cat }}
+                  </a-menu-item>
+                </a-menu>
+              </template>
+            </a-dropdown>
+          </a-tooltip>
         </div>
 
         <div class="list-container">
@@ -143,7 +147,7 @@
 <script setup>
 import { computed, onMounted, ref } from 'vue'
 import { message } from 'ant-design-vue'
-import { Search, Wrench, Tag, Tags, FileText, List } from 'lucide-vue-next'
+import { Search, Wrench, Tag, Tags, FileText, List, SlidersHorizontal } from 'lucide-vue-next'
 import { toolApi } from '@/apis/tool_api'
 import { getToolIcon } from '@/components/ToolCallingResult/toolRegistry'
 
@@ -189,6 +193,10 @@ const filteredTools = computed(() => {
   return result
 })
 
+const currentCategoryLabel = computed(
+  () => categoryLabels[selectedCategory.value] || (selectedCategory.value ? selectedCategory.value : '全部分类')
+)
+
 const fetchTools = async () => {
   loading.value = true
   try {
@@ -209,6 +217,10 @@ const selectTool = (record) => {
   currentTool.value = record
 }
 
+const handleCategorySelect = ({ key }) => {
+  selectedCategory.value = key === 'all' ? '' : key
+}
+
 onMounted(fetchTools)
 
 // 暴露方法给父组件
@@ -220,11 +232,6 @@ defineExpose({
 <style scoped lang="less">
 @import '@/assets/css/extensions.less';
 
-.category-filter {
-  padding: 8px 12px;
-  border-bottom: 1px solid var(--gray-150);
-}
-
 .list-item {
   .item-details {
     .item-tags {