diff --git a/ui/src/api/API_README.md b/ui/src/api/API_README.md
index 5972ecf4519..c651e550554 100644
--- a/ui/src/api/API_README.md
+++ b/ui/src/api/API_README.md
@@ -97,12 +97,6 @@ Action、Drawer 或 Dialog。复用方直接使用 `typeof XxxApi` 约束完整
 组装为 `{ id_list, folder_id }`，`putBatchDeleteKnowledge` 将 ID 数组组装为 `{ id_list }`，
 分别使用 PUT 请求 `batch_move` 和 `batch_delete`。页面和 Action 负责类型判断及 loading。
 
-### 知识库文档标签
-
-`workspace/knowledge/knowledge.ts` 的 `getKnowledgeTags(knowledgeIds)` 查询所选知识库的全部文档
-标签，返回按标签名称分组的 `KnowledgeTagGroup[]`。工作流页面将查询方法提供给文档标签检索
-节点，节点负责本地搜索和最多 100 项的展示。
-
 ## 枚举与类型组织
 
 API 枚举与类型统一在 `src/api` 范围内管理，相关规则由本文档统一维护。
diff --git a/ui/src/assets/workflow/icon_document-extract.svg b/ui/src/assets/workflow/icon_document-extract.svg
new file mode 100644
index 00000000000..9bec0be4a8f
--- /dev/null
+++ b/ui/src/assets/workflow/icon_document-extract.svg
@@ -0,0 +1,4 @@
+<svg width="22" height="22" viewBox="0 0 22 22" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M4.77756 1.66699C4.28664 1.66699 3.88867 2.06496 3.88867 2.55588V19.4448C3.88867 19.9357 4.28664 20.3337 4.77756 20.3337H17.222C17.7129 20.3337 18.1109 19.9357 18.1109 19.4448V6.3069C18.1109 6.19036 18.0651 6.07847 17.9834 5.99536L13.8597 1.79989C13.7761 1.71488 13.6619 1.66699 13.5427 1.66699H4.77756ZM7.04915 9.02062C7.04915 8.77516 7.24814 8.57617 7.4936 8.57617H14.5059C14.7514 8.57617 14.9504 8.77516 14.9504 9.02062V9.74789C14.9504 9.99335 14.7514 10.1923 14.5059 10.1923H7.4936C7.24814 10.1923 7.04915 9.99335 7.04915 9.74789V9.02062ZM7.04915 13.061C7.04915 12.8156 7.24814 12.6166 7.4936 12.6166H10.5553C10.8008 12.6166 10.9998 12.8156 10.9998 13.061V13.7883C10.9998 14.0338 10.8008 14.2327 10.5553 14.2327H7.4936C7.24814 14.2327 7.04915 14.0338 7.04915 13.7883V13.061Z" fill="white"/>
+<path opacity="0.5" d="M13.6665 1.68457C13.7391 1.70561 13.8058 1.74502 13.8597 1.7999L17.9835 5.99537C18.0172 6.02971 18.0449 6.06897 18.0657 6.11145H14.6755C14.1183 6.11145 13.6665 5.6597 13.6665 5.10244V1.68457Z" fill="#3370FF"/>
+</svg>
diff --git a/ui/src/assets/workflow/icon_reranker.svg b/ui/src/assets/workflow/icon_reranker.svg
new file mode 100644
index 00000000000..2e6d5aa4437
--- /dev/null
+++ b/ui/src/assets/workflow/icon_reranker.svg
@@ -0,0 +1,3 @@
+<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M4.34907 2.8125C4.20029 1.92573 3.42904 1.25 2.5 1.25C1.46448 1.25 0.625 2.08948 0.625 3.125C0.625 4.16052 1.46448 5 2.5 5C3.194 5 3.79995 4.62293 4.12415 4.0625H4.6875C5.02354 4.0625 5.3503 4.21385 5.71825 4.53998C6.09482 4.87377 6.44859 5.33012 6.84836 5.84982L6.86799 5.87534C7.24449 6.36486 7.66559 6.91234 8.14012 7.33295C8.20472 7.39021 8.27138 7.4461 8.34017 7.5C8.27138 7.5539 8.20472 7.60979 8.14012 7.66705C7.66559 8.08766 7.24449 8.63514 6.86799 9.12466L6.84836 9.15018C6.44859 9.66988 6.09482 10.1262 5.71825 10.46C5.3503 10.7862 5.02354 10.9375 4.6875 10.9375H4.12415C3.79995 10.3771 3.194 10 2.5 10C1.46448 10 0.625 10.8395 0.625 11.875C0.625 12.9105 1.46448 13.75 2.5 13.75C3.42904 13.75 4.2003 13.0743 4.34907 12.1875H4.6875C5.44521 12.1875 6.05595 11.831 6.54738 11.3955C7.02191 10.9748 7.44301 10.4274 7.81951 9.93784L7.83914 9.91232C8.23891 9.39262 8.59268 8.93627 8.96925 8.60248C9.3372 8.27635 9.66396 8.125 10 8.125H10.7317C10.9891 8.85324 11.6836 9.375 12.5 9.375C13.5355 9.375 14.375 8.53552 14.375 7.5C14.375 6.46448 13.5355 5.625 12.5 5.625C11.6836 5.625 10.9891 6.14676 10.7317 6.875H10C9.66396 6.875 9.3372 6.72365 8.96925 6.39752C8.59268 6.06373 8.23891 5.60738 7.83914 5.08768L7.81951 5.06216C7.44301 4.57264 7.02191 4.02516 6.54738 3.60455C6.05595 3.16896 5.44521 2.8125 4.6875 2.8125H4.34907Z" fill="white"/>
+</svg>
diff --git a/ui/src/assets/workflow/icon_search-document.svg b/ui/src/assets/workflow/icon_search-document.svg
new file mode 100644
index 00000000000..7ab63ff9fd0
--- /dev/null
+++ b/ui/src/assets/workflow/icon_search-document.svg
@@ -0,0 +1,4 @@
+<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M11.875 4.38719H9.375V1.875H3.125V13.125H6.25V14.375H2.5C2.33424 14.375 2.17527 14.3091 2.05806 14.1919C1.94085 14.0747 1.875 13.9158 1.875 13.75V1.25C1.875 1.08424 1.94085 0.925268 2.05806 0.808058C2.17527 0.690848 2.33424 0.625 2.5 0.625H10.3125L13.125 3.57156V6.25H11.875V4.38719Z" fill="white"/>
+<path d="M10.3125 13.75C10.9566 13.75 11.5552 13.5551 12.0525 13.2211L13.2218 14.3903C13.3438 14.5124 13.5417 14.5124 13.6638 14.3903L14.1941 13.86C14.3161 13.738 14.3161 13.5401 14.1941 13.4181L12.9987 12.2227C13.2774 11.7552 13.4375 11.2088 13.4375 10.625C13.4375 8.89906 12.0384 7.49995 10.3125 7.49995C8.58661 7.49995 7.1875 8.89906 7.1875 10.625C7.1875 12.3508 8.58661 13.75 10.3125 13.75ZM12.1875 10.625C12.1875 11.6605 11.348 12.5 10.3125 12.5C9.27696 12.5 8.4375 11.6605 8.4375 10.625C8.4375 9.58942 9.27696 8.74995 10.3125 8.74995C11.348 8.74995 12.1875 9.58942 12.1875 10.625Z" fill="white"/>
+</svg>
diff --git a/ui/src/views/tool/ToolView.vue b/ui/src/views/tool/ToolView.vue
index 0d0126ee852..b082ed0e8df 100644
--- a/ui/src/views/tool/ToolView.vue
+++ b/ui/src/views/tool/ToolView.vue
@@ -6,7 +6,7 @@ import ToolApi from '@/api/admin/workspace/tool/tool'
 import SharedApi from '@/api/admin/workspace/shared'
 import ToolStoreApi from '@/api/admin/tool-store.ts'
 import type { Dict, FolderItem, OptionItem, ToolItem, ToolStoreResponse, ToolType } from '@/api/types'
-import { RESOURCE_TYPE, TOOL_TYPE, TOOL_SCOPE } from '@/api/enums'
+import { RESOURCE_TYPE, TOOL_TYPE } from '@/api/enums'
 import { TOOL_TYPE_OPTIONS, FOLDER_ENTRIES, FOLDER_ENTRY_ID } from '@/constants'
 import FolderTree from '@/components/business/folder-tree/index.vue'
 import MoveToDialog from '@/components/business/folder-tree/MoveToDialog.vue'
@@ -69,7 +69,7 @@ const toolType = ref<ToolType | ''>('')
 
 function loadToolsPage(pagination: { currentPage: number; pageSize: number }) {
   const request = isShared.value ? SharedApi : ToolApi
-  const folderId = isShared.value ? {} : { folder_id: currentFolder.value.id || FOLDER_ENTRY_ID.ALL, scope: TOOL_SCOPE.WORKSPACE }
+  const folderId = isShared.value ? {} : { folder_id: currentFolder.value.id || FOLDER_ENTRY_ID.ALL }
   return request.getToolPage(pagination, { ...toolQuery.value, tool_type: toolType.value, ...folderId })
 }
 
diff --git a/ui/src/workflow-canvas/WORKFLOW_README.md b/ui/src/workflow-canvas/WORKFLOW_README.md
index cd5dbe36dfa..f6ecdc86f3b 100644
--- a/ui/src/workflow-canvas/WORKFLOW_README.md
+++ b/ui/src/workflow-canvas/WORKFLOW_README.md
@@ -196,8 +196,10 @@ AI 对话节点的提示词、历史记录、视觉理解和输出思考表单
 标签条件使用 `MkFormList`，设置 `minRows` 为 `0`，保留允许删除到空列表的语义。文档标签检索通过
 `NodeSearchScope` 复用知识库选择，保留知识库快照及缺少详情的关联 ID；标签条件使用
 `MkFormList` 并设置 `minRows` 为 `0`，节点模型统一将新建及已有节点宽度设为 `455`。
-`ApplicationWorkflowView` 和 `ToolWorkflowView` 提供 `getKnowledgeTags` 与 `getRerankerModels`
-注入接口，分别用于文档标签选项与重排模型查询；新增模型后直接重新查询，不读取已有模型列表缓存。
+`store/api/workspace/index.ts` 独立维护 `getAllTags(knowledgeIds)`，使用 `knowledge_ids[]` 查询
+所选知识库的全部文档标签，返回 `KnowledgeTagGroup[]`。文档标签选项通过工作流 Store 的 `force.getAllTags(knowledgeIds)` 查询，刷新时跳过已有标签缓存。
+`ApplicationWorkflowView` 和 `ToolWorkflowView` 提供重排模型查询注入接口；新增模型后直接重新查询，
+不读取已有模型列表缓存。
 标签请求只回写当前关联知识库的结果，过期或节点卸载后的响应不再修改节点。
 
 固定字段写入统一使用直接赋值，例如 `model.properties.node_data = value`、
@@ -223,7 +225,9 @@ Vue `computed` 的 `set` 和原生 `Map.set()` 按各自 API 正常使用。
 MkFormList 的排序、增删均以 `cloneDeep` 回写；MkTable 保留普通行对象引用，因此工作流节点
 在 computed setter 中深拷贝新数组后写回 `model.properties.node_data`，并执行原有字段同步。
 带 ID 的新行使用 `default-item` 工厂函数，每次添加生成独立 ID。条件分支等保留锚点 ID、
-固定末尾分支的特殊规则不能直接替换成普通列表移动。
+固定末尾分支的特殊规则不能直接替换成普通列表移动。判断器仅将 IF / ELSE IF 分支放入排序容器，
+卡片悬停时显示排序手柄；ELSE 独立渲染并固定末尾。排序后按位置更新分支名称，保留分支 ID，
+并同步刷新锚点顺序与连线。
 
 ## View 接入约定
 
diff --git a/ui/src/workflow-canvas/icons/document-extract-node-icon.vue b/ui/src/workflow-canvas/icons/document-extract-node-icon.vue
new file mode 100644
index 00000000000..496364542b0
--- /dev/null
+++ b/ui/src/workflow-canvas/icons/document-extract-node-icon.vue
@@ -0,0 +1,6 @@
+<template>
+  <el-avatar shape="square">
+    <img src="@/assets/workflow/icon_document-extract.svg" style="width: 64%" alt="" />
+  </el-avatar>
+</template>
+<script setup lang="ts"></script>
diff --git a/ui/src/workflow-canvas/icons/reranker-node-icon.vue b/ui/src/workflow-canvas/icons/reranker-node-icon.vue
new file mode 100644
index 00000000000..52e34f178bc
--- /dev/null
+++ b/ui/src/workflow-canvas/icons/reranker-node-icon.vue
@@ -0,0 +1,6 @@
+<template>
+  <el-avatar shape="square" class="bg-purple!">
+    <img src="@/assets/workflow/icon_reranker.svg" style="width: 64%" alt="" />
+  </el-avatar>
+</template>
+<script setup lang="ts"></script>
diff --git a/ui/src/workflow-canvas/icons/search-document-node-icon.vue b/ui/src/workflow-canvas/icons/search-document-node-icon.vue
new file mode 100644
index 00000000000..3556a34efe9
--- /dev/null
+++ b/ui/src/workflow-canvas/icons/search-document-node-icon.vue
@@ -0,0 +1,6 @@
+<template>
+  <el-avatar shape="square">
+    <img src="@/assets/workflow/icon_search-document.svg" style="width: 64%" alt="" />
+  </el-avatar>
+</template>
+<script setup lang="ts"></script>
diff --git a/ui/src/workflow-canvas/nodes/condition-node/index.vue b/ui/src/workflow-canvas/nodes/condition-node/index.vue
index bd8505a0057..3f07a536ab8 100644
--- a/ui/src/workflow-canvas/nodes/condition-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/condition-node/index.vue
@@ -10,6 +10,7 @@ import NodeContainer from '@/workflow-canvas/core/node-container/index.vue'
 import { createAnchorGuard, handleNodeWheel } from '@/workflow-canvas/core/utils'
 import { compareList } from '@/workflow-canvas/config/constants'
 import { randomId } from '@/utils/common'
+import { useSortable } from '@/utils/use-sortable'
 
 defineOptions({ name: 'WorkflowConditionNode' })
 const getModel = inject('getModel') as () => BaseNodeModel
@@ -52,6 +53,26 @@ const formData = computed(() => model.properties.node_data as { branch: BranchIt
 const conditionNodeFormRef = useTemplateRef<FormInstance>('conditionNodeFormRef')
 const nodeCascaderRefs = useTemplateRef<InstanceType<typeof NodeCascader>[]>('nodeCascaderRefs')
 
+// 仅排序条件分支，ELSE 保留在独立容器和数据末尾。
+const branchListRef = useTemplateRef<HTMLElement>('branchListRef')
+const elseBranch = computed(() => formData.value.branch.at(-1))
+const sortableBranches = computed({
+  get: () => formData.value.branch.slice(0, -1),
+  set: (branches: BranchItem[]) => {
+    const reorderedBranches = cloneDeep([...branches, ...formData.value.branch.slice(-1)])
+    reorderedBranches.slice(0, -1).forEach((branch, index) => {
+      branch.type = index === 0 ? 'IF' : `ELSE IF ${index}`
+    })
+    formData.value.branch = reorderedBranches
+    refreshBranchAnchors()
+  },
+})
+useSortable(branchListRef, sortableBranches, () => ({
+  disabled: sortableBranches.value.length < 2,
+  handle: '.condition-branch-handle',
+  draggable: '> .condition-branch',
+}))
+
 // 新分支插入 ELSE 之前，并保留稳定的锚点 ID。
 function addBranch() {
   const branches = cloneDeep(formData.value.branch)
@@ -134,11 +155,16 @@ onBeforeUnmount(() => {
 <template>
   <NodeContainer :node-model="model">
     <el-form ref="conditionNodeFormRef" :model="formData" label-position="top" require-asterisk-position="right" @submit.prevent>
-      <template v-for="(branch, branchIndex) in formData.branch" :key="branch.id">
-        <div class="mb-2 flex items-center gap-1">
-          <div v-branch-resize="branch.id" class="mk-gray-card min-w-0 flex-1">
-            <div class="flex-between min-h-6">
-              <span>{{ branch.type }}</span>
+      <div ref="branchListRef">
+        <div v-for="(branch, branchIndex) in sortableBranches" :key="branch.id" class="condition-branch mb-2 flex items-center gap-1">
+          <div v-branch-resize="branch.id" class="mk-gray-card group/branch min-w-0 flex-1">
+            <div class="condition-branch-handle flex-between min-h-6">
+              <div class="flex items-center">
+                <el-button v-if="sortableBranches.length > 1" link class="hidden! group-hover/branch:inline-flex!" aria-label="拖拽排序分支">
+                  <MkIcon name="icon_drag_outlined" />
+                </el-button>
+                <span>{{ branch.type }}</span>
+              </div>
               <div v-if="branch.conditions.length > 1" class="flex items-center gap-2 text-N600">
                 <span>符合以下</span>
                 <el-select
@@ -156,63 +182,63 @@ onBeforeUnmount(() => {
               </div>
             </div>
 
-            <template v-if="branchIndex !== formData.branch.length - 1">
-              <div class="mt-2">
-                <MkFormList v-model="branch.conditions" :default-item="createCondition()" :first-row-has-label="false" add-text="添加条件">
-                  <template #default="{ item: condition, index: conditionIndex }">
-                    <el-form-item
-                      class="small min-w-0 flex-2"
-                      :prop="`branch.${branchIndex}.conditions.${conditionIndex}.field`"
-                      :rules="{ type: 'array', required: true, message: '请选择变量', trigger: 'change' }"
+            <div class="mt-2">
+              <MkFormList v-model="branch.conditions" :default-item="createCondition()" :first-row-has-label="false" add-text="添加条件">
+                <template #default="{ item: condition, index: conditionIndex }">
+                  <el-form-item
+                    class="small min-w-0 flex-2"
+                    :prop="`branch.${branchIndex}.conditions.${conditionIndex}.field`"
+                    :rules="{ type: 'array', required: true, message: '请选择变量', trigger: 'change' }"
+                  >
+                    <NodeCascader ref="nodeCascaderRefs" v-model="condition.field" :node-model="model" placeholder="请选择变量" />
+                  </el-form-item>
+                  <el-form-item
+                    class="small min-w-0 flex-1"
+                    :prop="`branch.${branchIndex}.conditions.${conditionIndex}.compare`"
+                    :rules="{ required: true, message: '请选择', trigger: 'change' }"
+                  >
+                    <el-select
+                      v-model="condition.compare"
+                      :teleported="false"
+                      placeholder="请选择"
+                      clearable
+                      @change="changeComparison(condition)"
+                      @visible-change="anchorGuard.setOverlayVisible(`${branch.id}:${conditionIndex}:compare`, $event)"
+                      @wheel="handleNodeWheel"
                     >
-                      <NodeCascader ref="nodeCascaderRefs" v-model="condition.field" :node-model="model" placeholder="请选择变量" />
-                    </el-form-item>
+                      <el-option v-for="comparison in compareList" :key="comparison.value" :label="comparison.label" :value="comparison.value" />
+                    </el-select>
+                  </el-form-item>
+                  <div class="min-w-0 flex-1">
                     <el-form-item
-                      class="small min-w-0 flex-1"
-                      :prop="`branch.${branchIndex}.conditions.${conditionIndex}.compare`"
-                      :rules="{ required: true, message: '请选择', trigger: 'change' }"
+                      v-if="!valueLessComparisons.has(condition.compare)"
+                      :prop="`branch.${branchIndex}.conditions.${conditionIndex}.value`"
+                      :rules="{ required: true, message: '请输入比较值', trigger: 'blur' }"
+                      class="small"
                     >
-                      <el-select
-                        v-model="condition.compare"
-                        :teleported="false"
-                        placeholder="请选择"
-                        clearable
-                        @change="changeComparison(condition)"
-                        @visible-change="anchorGuard.setOverlayVisible(`${branch.id}:${conditionIndex}:compare`, $event)"
-                        @wheel="handleNodeWheel"
-                      >
-                        <el-option v-for="comparison in compareList" :key="comparison.value" :label="comparison.label" :value="comparison.value" />
-                      </el-select>
+                      <el-input v-model="condition.value" placeholder="请输入比较值" />
                     </el-form-item>
-                    <div class="min-w-0 flex-1">
-                      <el-form-item
-                        v-if="!valueLessComparisons.has(condition.compare)"
-                        :prop="`branch.${branchIndex}.conditions.${conditionIndex}.value`"
-                        :rules="{ required: true, message: '请输入比较值', trigger: 'blur' }"
-                        class="small"
-                      >
-                        <el-input v-model="condition.value" placeholder="请输入比较值" />
-                      </el-form-item>
-                    </div>
-                  </template>
-                </MkFormList>
-              </div>
-            </template>
+                  </div>
+                </template>
+              </MkFormList>
+            </div>
           </div>
           <!-- 删除分支 -->
           <div v-if="formData.branch.length > 2" class="h-6 w-6 shrink-0">
-            <el-button
-              v-if="branchIndex < formData.branch.length - 1"
-              text
-              class="h-6! w-6! p-0!"
-              aria-label="删除分支"
-              @click="deleteBranch(branchIndex)"
-            >
+            <el-button text class="h-6! w-6! p-0!" aria-label="删除分支" @click="deleteBranch(branchIndex)">
               <MkIcon name="icon_delete-trash_outlined" />
             </el-button>
           </div>
         </div>
-      </template>
+      </div>
+      <div v-if="elseBranch" class="mb-2 flex items-center gap-1">
+        <div :key="elseBranch.id" v-branch-resize="elseBranch.id" class="mk-gray-card min-w-0 flex-1">
+          <div class="flex-between min-h-6">
+            <span>{{ elseBranch.type }}</span>
+          </div>
+        </div>
+        <div v-if="formData.branch.length > 2" class="h-6 w-6 shrink-0" />
+      </div>
 
       <el-button link type="primary" @click="addBranch">
         <MkIcon name="icon_add_outlined" class="mr-1" />
diff --git a/ui/src/workflow-canvas/nodes/mcp-node/index.vue b/ui/src/workflow-canvas/nodes/mcp-node/index.vue
index e0a32d9b6ea..4075ca2d820 100644
--- a/ui/src/workflow-canvas/nodes/mcp-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/mcp-node/index.vue
@@ -2,7 +2,15 @@
   <NodeContainer :node-model="model">
     <h6 class="mb-3">节点设置</h6>
     <div class="border-r-6 layout-bg lighter mb-8 p-8-12">
-      <el-form ref="mcpNodeFormRef" :model="form_data" label-position="top" require-asterisk-position="right" label-width="auto" hide-required-asterisk @submit.prevent>
+      <el-form
+        ref="mcpNodeFormRef"
+        :model="form_data"
+        label-position="top"
+        require-asterisk-position="right"
+        label-width="auto"
+        hide-required-asterisk
+        @submit.prevent
+      >
         <el-form-item label="MCP Server Config">
           <template #label>
             <div class="flex-between">
@@ -21,14 +29,7 @@
             :placeholder="mcpServerJson"
             @wheel="handleNodeWheel"
           />
-          <el-select
-            v-else
-            :teleported="false"
-            v-model="form_data.mcp_tool_id"
-            filterable
-            @change="mcpToolSelectChange"
-            @wheel="handleNodeWheel"
-          >
+          <el-select v-else :teleported="false" v-model="form_data.mcp_tool_id" filterable @change="mcpToolSelectChange" @wheel="handleNodeWheel">
             <el-option v-for="mcpTool in mcpToolSelectOptions" :key="mcpTool.id" :label="mcpTool.name" :value="mcpTool.id">
               <div class="flex items-center">
                 <ToolIcon v-if="!mcpTool.icon" :size="20" :type="mcpTool.tool_type" class="mr-2" />
@@ -54,7 +55,7 @@
           <el-select v-model="form_data.mcp_tool" filterable :teleported="false" @change="changeTool" @wheel="handleNodeWheel">
             <el-option v-for="item in form_data.mcp_tools" :key="item.name" :label="item.name" :value="item.name" class="flex items-center">
               <el-tooltip effect="dark" :content="item.description" placement="top-start" popper-class="max-w-350">
-                <MkIcon name="icon_warning_filled" class="app-warning-icon" />
+                <MkIcon name="icon_warning_filled" />
               </el-tooltip>
               <span class="ml-4">{{ item.name }}</span>
             </el-option>
@@ -64,7 +65,14 @@
     </div>
     <h6 class="mb-3">工具参数</h6>
     <div v-if="form_data.mcp_tool" class="border-r-6 layout-bg lighter p-8-12">
-      <el-form ref="dynamicsFormRef" label-position="top" v-loading="loading" require-asterisk-position="right" :hide-required-asterisk="true" @submit.prevent>
+      <el-form
+        ref="dynamicsFormRef"
+        label-position="top"
+        v-loading="loading"
+        require-asterisk-position="right"
+        :hide-required-asterisk="true"
+        @submit.prevent
+      >
         <el-form-item v-for="item in form_data.tool_form_field" :key="item.field" :required="item.required">
           <template #label>
             <div class="flex-between">
@@ -79,11 +87,36 @@
               </el-select>
             </div>
           </template>
-          <el-input v-if="item.source === 'custom' && item.input_type === 'TextInput'" :model-value="paramsOf()[item.label.label]" @update:model-value="setParamValue(item, $event)" />
-          <el-input-number v-else-if="item.source === 'custom' && item.input_type === 'NumberInput'" :model-value="paramsOf()[item.label.label]" @update:model-value="setParamValue(item, $event)" />
-          <el-switch v-else-if="item.source === 'custom' && item.input_type === 'SwitchInput'" :model-value="paramsOf()[item.label.label]" @update:model-value="setParamValue(item, $event)" />
-          <el-input v-else-if="item.source === 'custom' && item.input_type === 'JsonInput'" :model-value="paramsOf()[item.label.label]" @update:model-value="setParamValue(item, $event)" type="textarea" />
-          <NodeCascader v-if="item.source === 'referencing'" :ref="setCascaderRef" :node-model="model" class="w-full" placeholder="请选择变量" :model-value="paramsOf()[item.label.label] as string[]" @update:model-value="setParamValue(item, $event)" />
+          <el-input
+            v-if="item.source === 'custom' && item.input_type === 'TextInput'"
+            :model-value="paramsOf()[item.label.label]"
+            @update:model-value="setParamValue(item, $event)"
+          />
+          <el-input-number
+            v-else-if="item.source === 'custom' && item.input_type === 'NumberInput'"
+            :model-value="paramsOf()[item.label.label]"
+            @update:model-value="setParamValue(item, $event)"
+          />
+          <el-switch
+            v-else-if="item.source === 'custom' && item.input_type === 'SwitchInput'"
+            :model-value="paramsOf()[item.label.label]"
+            @update:model-value="setParamValue(item, $event)"
+          />
+          <el-input
+            v-else-if="item.source === 'custom' && item.input_type === 'JsonInput'"
+            :model-value="paramsOf()[item.label.label]"
+            @update:model-value="setParamValue(item, $event)"
+            type="textarea"
+          />
+          <NodeCascader
+            v-if="item.source === 'referencing'"
+            :ref="setCascaderRef"
+            :node-model="model"
+            class="w-full"
+            placeholder="请选择变量"
+            :model-value="paramsOf()[item.label.label] as string[]"
+            @update:model-value="setParamValue(item, $event)"
+          />
         </el-form-item>
       </el-form>
     </div>
diff --git a/ui/src/workflow-canvas/nodes/reranker-node/component/SearchSetting.vue b/ui/src/workflow-canvas/nodes/reranker-node/component/SearchSetting.vue
index fc1582bc3a4..85565fc866b 100644
--- a/ui/src/workflow-canvas/nodes/reranker-node/component/SearchSetting.vue
+++ b/ui/src/workflow-canvas/nodes/reranker-node/component/SearchSetting.vue
@@ -45,7 +45,6 @@ function submit() {
           </template>
           <el-input-number
             v-model="formData.similarity"
-            class="w-full!"
             :min="0"
             :max="formData.search_mode === 'blend' ? 2 : 1"
             :precision="3"
@@ -57,7 +56,6 @@ function submit() {
         </el-form-item>
         <el-form-item label="引用分段数 TOP">
           <el-input-number
-            class="w-full!"
             v-model="formData.top_n"
             :min="1"
             :max="10000"
diff --git a/ui/src/workflow-canvas/nodes/reranker-node/index.vue b/ui/src/workflow-canvas/nodes/reranker-node/index.vue
index 1fe4ac87267..6707ba77440 100644
--- a/ui/src/workflow-canvas/nodes/reranker-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/reranker-node/index.vue
@@ -96,7 +96,7 @@ onMounted(() => {
       <el-form ref="formRef" :model="formData" label-position="top" require-asterisk-position="right" @submit.prevent>
         <!-- 重排内容 -->
         <el-form-item
-          class="mk-hide-asterisk"
+          class="mk-hide-asterisk mb-0!"
           prop="reranker_reference_list"
           :rules="{ type: 'array', required: true, message: '请选择重排内容', trigger: 'change' }"
         >
@@ -108,10 +108,11 @@ onMounted(() => {
               </el-button>
             </div>
           </template>
+
           <MkFormList v-model="formData.reranker_reference_list" :default-item="[]" :first-row-has-label="false" :show-add-button="false">
             <template #default="{ index }">
               <el-form-item
-                class="min-w-0 flex-1"
+                class="mb-2! min-w-0 flex-1"
                 :prop="`reranker_reference_list.${index}`"
                 :rules="{ type: 'array', required: true, message: '请选择重排内容', trigger: 'change' }"
               >
diff --git a/ui/src/workflow-canvas/nodes/search-document-node/index.vue b/ui/src/workflow-canvas/nodes/search-document-node/index.vue
index b1c976ae11f..2481f982e0a 100644
--- a/ui/src/workflow-canvas/nodes/search-document-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/search-document-node/index.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import { computed, inject, onBeforeUnmount, onMounted, ref, useTemplateRef, watch } from 'vue'
+import { useWorkflowStore } from '@/workflow-canvas/store'
 import { cloneDeep } from 'lodash'
 import type { FormInstance } from 'element-plus'
 import type { KnowledgeItem, KnowledgeTagGroup } from '@/api/types'
@@ -16,7 +17,8 @@ import type { SearchDocumentForm } from './types'
 
 defineOptions({ name: 'WorkflowSearchDocumentNode' })
 const getModel = inject('getModel') as () => WorkflowNodeModel
-const getKnowledgeTags = inject('getKnowledgeTags') as (knowledgeIds: string[]) => Promise<KnowledgeTagGroup[]>
+const apiType = (inject('apiType') as string) || 'workspace'
+const store = useWorkflowStore(apiType)
 const model = getModel()
 const formRef = useTemplateRef<FormInstance>('formRef')
 const questionCascaderRef = useTemplateRef<InstanceType<typeof NodeCascader>>('questionCascaderRef')
@@ -70,7 +72,8 @@ watch(
     allKnowledgeTags.value = []
     formData.value.knowledge_tags = []
     if (!knowledgeIds.length) return
-    getKnowledgeTags(knowledgeIds)
+    store.force
+      .getAllTags(knowledgeIds)
       .then((tags) => {
         if (version !== tagRequestVersion) return
         allKnowledgeTags.value = tags
@@ -142,7 +145,7 @@ onMounted(() => {
           <NodeCascader ref="questionCascaderRef" v-model="formData.question_reference" :node-model="model" placeholder="请选择检索问题" />
         </el-form-item>
         <template v-else>
-          <div class="mb-2 flex items-center gap-2 text-sm text-N600">
+          <div class="-mt-2 mb-2 flex items-center gap-2 text-sm text-N600">
             满足以下
             <el-select
               v-model="formData.search_condition_type"
@@ -164,7 +167,7 @@ onMounted(() => {
             add-text="添加条件"
           >
             <template #default="{ item: condition, index }">
-              <el-form-item class="min-w-0 flex-1">
+              <el-form-item class="small min-w-0 flex-1">
                 <el-select
                   v-model="condition.key"
                   filterable
@@ -178,7 +181,7 @@ onMounted(() => {
                   <el-option v-for="tag in formData.knowledge_tags" :key="tag.key" :label="tag.key" :value="tag.key" />
                 </el-select>
               </el-form-item>
-              <el-form-item class="w-24 shrink-0">
+              <el-form-item class="small w-24 shrink-0">
                 <el-select
                   v-model="condition.compare"
                   :teleported="false"
@@ -188,7 +191,7 @@ onMounted(() => {
                   <el-option v-for="option in compareOptions" :key="option.value" :value="option.value" :label="option.label" />
                 </el-select>
               </el-form-item>
-              <el-form-item class="min-w-0 flex-1">
+              <el-form-item class="small min-w-0 flex-1">
                 <el-input v-model="condition.value" placeholder="值或变量" />
               </el-form-item>
             </template>
diff --git a/ui/src/workflow-canvas/store/api/workspace/index.ts b/ui/src/workflow-canvas/store/api/workspace/index.ts
index 04bc2937802..d29c439af4f 100644
--- a/ui/src/workflow-canvas/store/api/workspace/index.ts
+++ b/ui/src/workflow-canvas/store/api/workspace/index.ts
@@ -1,17 +1,22 @@
-import { post } from '@/api/admin/core/request'
+import { get, post } from '@/api/admin/core/request'
+import type { KnowledgeTagGroup } from '@/api/types'
 import modelAPI from '@/api/admin/workspace/model/model'
 import providerAPI from '@/api/admin/model-provider'
 import toolAPI from '@/api/admin/workspace/tool/tool'
 import type { McpTool } from '@/workflow-canvas/store'
 import { getWorkspaceId } from '@/utils/resource-context'
 
+/** 获取 MCP 调用节点所需的 MCP 工具。 */
 /** resourceType: application | tool | knowledge */
 const getMcpTools = (resourceType: string, resourceId: string, mcpServers: string) => {
   const workspaceId = getWorkspaceId()
-  return post<{ mcp_servers: string }, McpTool[]>(
-    `/workspace/${workspaceId}/${resourceType}/${resourceId}/mcp_tools`,
-    { mcp_servers: mcpServers },
-  )
+  return post<{ mcp_servers: string }, McpTool[]>(`/workspace/${workspaceId}/${resourceType}/${resourceId}/mcp_tools`, { mcp_servers: mcpServers })
+}
+
+/** 获取 文档检索节点所选知识库的全部文档标签。 */
+const getAllTags = (knowledgeIds: string[]) => {
+  const workspaceId = getWorkspaceId()
+  return get<KnowledgeTagGroup[]>(`/workspace/${workspaceId}/knowledge/tags`, { 'knowledge_ids[]': knowledgeIds })
 }
 
 export default {
@@ -21,4 +26,5 @@ export default {
   getMcpTools,
   getToolListWithShared: toolAPI.getToolListWithShared,
   getToolById: toolAPI.getToolDetail,
+  getAllTags,
 }
diff --git a/ui/src/workflow-canvas/store/index.ts b/ui/src/workflow-canvas/store/index.ts
index e4083d9ae75..5ff352b4c7c 100644
--- a/ui/src/workflow-canvas/store/index.ts
+++ b/ui/src/workflow-canvas/store/index.ts
@@ -1,4 +1,4 @@
-import type { Dict, DynamicFormField, ModelItem, ModelProviderItem, ToolItem } from '@/api/types'
+import type { Dict, DynamicFormField, KnowledgeTagGroup, ModelItem, ModelProviderItem, ToolItem } from '@/api/types'
 
 export interface McpTool {
   args_schema: Record<string, unknown>
@@ -9,6 +9,7 @@ export interface McpTool {
 
 // 底层 api/*/index.ts 提供的原始接口实现,不含缓存层能力。
 type ApiModule = {
+  getAllTags?: (knowledgeIds: string[]) => Promise<KnowledgeTagGroup[]>
   getModelList: (query?: Dict<unknown>) => Promise<ModelItem[]>
   getProviderList: () => Promise<ModelProviderItem[]>
   getModelParamsForm: (modelId: string) => Promise<DynamicFormField[]>
@@ -19,6 +20,7 @@ type ApiModule = {
 
 // useWorkflowStore 返回的包装接口:默认走缓存,通过 store.force.xxx() 强制刷新。
 export type WorkflowStoreApi = {
+  getAllTags: (knowledgeIds: string[]) => Promise<KnowledgeTagGroup[]>
   getModelList: (query?: Dict<unknown>) => Promise<ModelItem[]>
   getProviderList: () => Promise<ModelProviderItem[]>
   getModelParamsForm: (modelId: string) => Promise<DynamicFormField[]>
@@ -72,6 +74,10 @@ export function useWorkflowStore(apiType: string): WorkflowStore {
   // 生成一组接口方法;force 为 true 时对应的调用会跳过缓存强制刷新。
   function build(force: boolean): WorkflowStoreApi {
     return {
+      getAllTags(knowledgeIds: string[]): Promise<KnowledgeTagGroup[]> {
+        if (!resolvedApi.getAllTags) return Promise.resolve([])
+        return withCache(`knowledge-tags:${JSON.stringify(knowledgeIds)}`, () => resolvedApi.getAllTags!(knowledgeIds), force)
+      },
       getModelList(query?: Dict<unknown>): Promise<ModelItem[]> {
         return withCache(`model:${JSON.stringify(query ?? {})}`, () => resolvedApi.getModelList(query), force)
       },
@@ -83,7 +89,11 @@ export function useWorkflowStore(apiType: string): WorkflowStore {
       },
       getMcpTools(resourceType: string, resourceId: string, mcpServers: string): Promise<McpTool[]> {
         if (!resolvedApi.getMcpTools) return Promise.resolve([])
-        return withCache(`mcp-tools:${resourceType}:${resourceId}:${mcpServers}`, () => resolvedApi.getMcpTools!(resourceType, resourceId, mcpServers), force)
+        return withCache(
+          `mcp-tools:${resourceType}:${resourceId}:${mcpServers}`,
+          () => resolvedApi.getMcpTools!(resourceType, resourceId, mcpServers),
+          force,
+        )
       },
       getToolListWithShared(query?: Dict<unknown>): Promise<ToolItem[]> {
         if (!resolvedApi.getToolListWithShared) return Promise.resolve([])