diff --git a/ui/src/views/system/chat-management/users/index.vue b/ui/src/views/system/chat-management/users/index.vue
index cdc48aa5eea..2ac6f992e72 100644
--- a/ui/src/views/system/chat-management/users/index.vue
+++ b/ui/src/views/system/chat-management/users/index.vue
@@ -202,7 +202,8 @@ onMounted(() => loadChatUsers())
 
         <el-table-column prop="user_group_names" width="180" label="用户组">
           <template #default="{ row }">
-            <MkTagGroup :tags="row.user_group_names" />
+            <MkTagGroup v-if="row.user_group_names?.length" :tags="row.user_group_names" />
+            <span v-else>-</span>
           </template>
         </el-table-column>
 
diff --git a/ui/src/views/system/identity/groups/index.vue b/ui/src/views/system/identity/groups/index.vue
index 9081db12f59..75a6c3e4672 100644
--- a/ui/src/views/system/identity/groups/index.vue
+++ b/ui/src/views/system/identity/groups/index.vue
@@ -260,7 +260,8 @@ onMounted(() => {
           <el-table-column prop="username" label="用户名" min-width="198" show-overflow-tooltip />
           <el-table-column label="角色" min-width="198">
             <template #default="{ row }">
-              <MkTagGroup :tags="row.roles" />
+              <MkTagGroup v-if="row.roles?.length" :tags="row.roles" />
+              <span v-else>-</span>
             </template>
           </el-table-column>
           <el-table-column prop="source" label="用户来源" min-width="198" show-overflow-tooltip>
diff --git a/ui/src/workflow-canvas/nodes/data-source-web-node/details/index.vue b/ui/src/workflow-canvas/nodes/data-source-web-node/details/index.vue
index dcdec3cb1b2..144d6564e4c 100644
--- a/ui/src/workflow-canvas/nodes/data-source-web-node/details/index.vue
+++ b/ui/src/workflow-canvas/nodes/data-source-web-node/details/index.vue
@@ -1,13 +1,31 @@
 <script setup lang="ts">
+import { computed, ref, watch } from 'vue'
 import DetailContainer from '@/workflow-canvas/execution-details/DetailContainer.vue'
 import BaseHeader from '@/workflow-canvas/execution-details/BaseHeader.vue'
 import type { ExecutionNodeDetail } from '@/workflow-canvas/execution-details/types'
+import { getFileIconUrl } from '@/utils/icon'
 
 defineOptions({ name: 'DataSourceWebNodeDetail' })
 
-defineProps<{
+const props = defineProps<{
   data: ExecutionNodeDetail
 }>()
+
+interface WebDocument {
+  name?: string
+  content?: string
+  meta?: {
+    source_type?: string
+  }
+}
+
+// 切换文档时仅展示当前内容，执行详情更新后默认选中首个文档。
+const documents = computed<WebDocument[]>(() => props.data.document_list ?? [])
+const selectedDocumentIndex = ref(0)
+const selectedDocument = computed(() => documents.value[selectedDocumentIndex.value] ?? documents.value[0])
+watch(documents, () => {
+  selectedDocumentIndex.value = 0
+})
 </script>
 
 <template>
@@ -31,19 +49,36 @@ defineProps<{
     </div>
 
     <div class="mk-gray-card-sm">
-      <h6 class="mb-2">输出参数</h6>
-      <!-- // TODO：输出参数 高度问题-->
-      <el-scrollbar max-height="400">
-        <div class="space-y-2">
-          <template v-for="(file_content, index) in data.document_list" :key="index">
-            <el-card shadow="never">
-              <h6 class="mb-1">{{ file_content.name }}</h6>
-              <MdPreview v-if="file_content.content" :model-value="file_content.content" no-img-zoom-in />
-              <template v-else>-</template>
-            </el-card>
-          </template>
-        </div>
-      </el-scrollbar>
+      <h6 class="mb-2">
+        输出参数
+        <span class="text-N600 font-normal">（每个文档仅支持预览 500 字）</span>
+      </h6>
+      <MkHorizontalScroll v-if="documents.length" class="mb-2">
+        <template v-for="(file, index) in documents" :key="index">
+          <!-- 选择要查看的文档 -->
+          <el-card
+            shadow="hover"
+            class="small w-45 shrink-0 cursor-pointer"
+            :class="{ 'border-primary! bg-primary/10!': selectedDocumentIndex === index }"
+            @click="selectedDocumentIndex = index"
+          >
+            <div class="flex-align-center gap-2">
+              <img v-if="file.meta?.source_type === 'web'" src="@/assets/file-type/web-link-icon.svg" alt="" width="24" />
+              <img v-else :src="getFileIconUrl(file.name || '')" alt="" width="24" />
+              <span class="min-w-0 truncate" :title="file.name">{{ file.name || '-' }}</span>
+            </div>
+          </el-card>
+        </template>
+      </MkHorizontalScroll>
+
+      <el-card v-if="selectedDocument" shadow="never">
+        <el-scrollbar max-height="400" class="-mr-4" view-class="pr-4">
+          <MdPreview v-if="selectedDocument.content" :model-value="selectedDocument.content.slice(0, 500)" no-img-zoom-in />
+          <template v-else>-</template>
+        </el-scrollbar>
+        <div class="text-N600 mt-2">500 字符</div>
+      </el-card>
+      <template v-else>-</template>
     </div>
   </DetailContainer>
 </template>
diff --git a/ui/src/workflow-canvas/nodes/document-split-node/constant.ts b/ui/src/workflow-canvas/nodes/document-split-node/constant.ts
index 5dd23daf9bd..3b063106407 100644
--- a/ui/src/workflow-canvas/nodes/document-split-node/constant.ts
+++ b/ui/src/workflow-canvas/nodes/document-split-node/constant.ts
@@ -53,3 +53,9 @@ export const splitPatternOptions = [
     value: '(?<!\\n)\\n\\n(?!\\n)',
   },
 ]
+// 分段策略展示文案，配置选项与执行详情共用。
+export const DOCUMENT_SPLIT_STRATEGY_LABELS: Readonly<Record<string, string>> = {
+  auto: '智能分段（推荐）',
+  custom: '高级分段',
+  qa: 'QA 问答对',
+}
diff --git a/ui/src/workflow-canvas/nodes/document-split-node/details/index.vue b/ui/src/workflow-canvas/nodes/document-split-node/details/index.vue
index 7cc5b920baf..f2080300d5e 100644
--- a/ui/src/workflow-canvas/nodes/document-split-node/details/index.vue
+++ b/ui/src/workflow-canvas/nodes/document-split-node/details/index.vue
@@ -1,8 +1,10 @@
 <script setup lang="ts">
-import { computed, ref } from 'vue'
+import { computed, ref, watch } from 'vue'
 import DetailContainer from '@/workflow-canvas/execution-details/DetailContainer.vue'
 import BaseHeader from '@/workflow-canvas/execution-details/BaseHeader.vue'
 import type { ExecutionNodeDetail } from '@/workflow-canvas/execution-details/types'
+import { getFileIconUrl } from '@/utils/icon'
+import { DOCUMENT_SPLIT_STRATEGY_LABELS } from '../constant'
 
 defineOptions({ name: 'DocumentSplitNodeDetail' })
 
@@ -18,19 +20,29 @@ interface SplitParagraph {
 interface SplitDocument {
   name?: string
   paragraphs?: SplitParagraph[]
+  meta?: {
+    source_type?: string
+  }
 }
 
-const documentList = computed<SplitDocument[]>(() => (props.data?.paragraph_list as SplitDocument[] | undefined) || [])
+const paragraphList = computed<SplitDocument[]>(
+  () => (props.data?.paragraph_list as SplitDocument[] | undefined) || (props.data?.document_list as SplitDocument[] | undefined) || [],
+)
 
 // 输入内容取输入文档名；无 document_list 时回退用分段结果里的文档名
 const inputNames = computed(() =>
-  ((props.data?.document_list as SplitDocument[] | undefined) || documentList.value)
+  ((props.data?.document_list as SplitDocument[] | undefined) || paragraphList.value)
     .map((doc) => doc.name)
     .filter(Boolean)
     .join('、'),
 )
 
-const activeTab = ref(0)
+// 文档切换后展示对应分段，详情数据更新时默认选中首个文档。
+const selectedDocumentIndex = ref(0)
+const selectedParagraphs = computed(() => (paragraphList.value[selectedDocumentIndex.value]?.paragraphs ?? []).slice(0, 5))
+watch(paragraphList, () => {
+  selectedDocumentIndex.value = 0
+})
 </script>
 
 <template>
@@ -43,32 +55,64 @@ const activeTab = ref(0)
     <div class="mk-gray-card-sm">
       <h6 class="mb-2">输入参数</h6>
       <div class="space-y-2">
-        <div><span class="text-N600">分段规则：</span>{{ data.split_strategy || '-' }}</div>
-        <div><span class="text-N600">分段长度：</span>{{ data.chunk_size ?? '-' }}</div>
-        <div class="truncate" :title="inputNames"><span class="text-N600">输入内容：</span>{{ inputNames || '-' }}</div>
+        <div>
+          <span class="text-N600">分段策略：</span>
+          {{ DOCUMENT_SPLIT_STRATEGY_LABELS[data.split_strategy] ?? (data.split_strategy || '-') }}
+        </div>
+        <div>
+          <span class="text-N600">子分块长度：</span>
+          {{ data.chunk_size ?? '-' }}
+        </div>
+        <div v-if="data.split_strategy === 'custom'">
+          <span class="text-N600">分段标识：</span>
+          {{ data.patterns ?? '-' }}
+        </div>
+        <div v-if="data.split_strategy === 'custom'">
+          <span class="text-N600">分段长度：</span>
+          {{ data.limit ?? '-' }}
+        </div>
+        <div class="truncate" :title="inputNames">
+          <span class="text-N600">输入内容：</span>
+          {{ inputNames || '-' }}
+        </div>
       </div>
     </div>
 
     <!-- 输出参数 -->
     <div class="mk-gray-card-sm">
-      <h6 class="mb-2">输出参数 <span class="text-N600 font-normal">（每个文档仅展示前 5 个分段）</span></h6>
+      <h6 class="mb-2">
+        输出参数
+        <span class="text-N600 font-normal">（每个文档仅展示前 5 个分段）</span>
+      </h6>
+      <MkHorizontalScroll v-if="paragraphList.length" class="mb-2">
+        <template v-for="(file, index) in paragraphList" :key="index">
+          <!-- 选择要查看的文档 -->
+          <el-card
+            shadow="hover"
+            class="small w-45 shrink-0 cursor-pointer"
+            :class="{ 'border-primary! bg-primary/10!': selectedDocumentIndex === index }"
+            @click="selectedDocumentIndex = index"
+          >
+            <div class="flex-align-center gap-2">
+              <img v-if="file.meta?.source_type === 'web'" src="@/assets/file-type/web-link-icon.svg" alt="" width="24" />
+              <img v-else :src="getFileIconUrl(file.name || '')" alt="" width="24" />
+              <span class="min-w-0 truncate" :title="file.name">{{ file.name || '-' }}</span>
+            </div>
+          </el-card>
+        </template>
+      </MkHorizontalScroll>
       <div class="space-y-2">
-        <el-tabs v-if="documentList.length > 0" v-model="activeTab" class="paragraph-tabs">
-          <el-tab-pane v-for="(doc, docIndex) in documentList" :key="docIndex" :label="doc.name" :name="docIndex">
-            <template v-if="(doc.paragraphs || []).length > 0">
-              <template v-for="(paragraph, paragraphIndex) in doc.paragraphs" :key="paragraphIndex">
-                <el-card shadow="never">
-                  <div class="truncate" :title="paragraph.title">#{{ paragraphIndex + 1 }} {{ paragraph.title || '-' }}</div>
-                  <el-scrollbar max-height="150" class="mt-1">
-                    <MdPreview :model-value="paragraph.content" no-img-zoom-in />
-                  </el-scrollbar>
-                  <div class="mt-1 border-t border-dashed pt-1 text-N600">字符：{{ (paragraph.content || '').length }}</div>
-                </el-card>
-              </template>
-            </template>
-            <div v-else class="text-N600">-</div>
-          </el-tab-pane>
-        </el-tabs>
+        <template v-if="selectedParagraphs.length > 0">
+          <template v-for="(paragraph, paragraphIndex) in selectedParagraphs" :key="paragraphIndex">
+            <el-card shadow="never">
+              <h4 class="truncate mb-2" :title="paragraph.title">{{ paragraph.title || '-' }}</h4>
+              <el-scrollbar max-height="400" class="-mr-4" view-class="pr-4">
+                <MdPreview :model-value="paragraph.content" no-img-zoom-in />
+              </el-scrollbar>
+              <div class="text-N600 mt-2">{{ (paragraph.content || '').length }} 字符</div>
+            </el-card>
+          </template>
+        </template>
         <template v-else>-</template>
       </div>
     </div>
diff --git a/ui/src/workflow-canvas/nodes/document-split-node/index.vue b/ui/src/workflow-canvas/nodes/document-split-node/index.vue
index be51491a7ad..655cf5e1320 100644
--- a/ui/src/workflow-canvas/nodes/document-split-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/document-split-node/index.vue
@@ -5,7 +5,7 @@ import NodeContainer from '@/workflow-canvas/core/node-container/index.vue'
 import NodeCascader from '@/workflow-canvas/component/NodeCascader.vue'
 import { createAnchorGuard } from '@/workflow-canvas/core/utils'
 import type { WorkflowNodeModel } from '@/workflow-canvas/core/workflow-node'
-import { splitPatternOptions } from './constant'
+import { DOCUMENT_SPLIT_STRATEGY_LABELS, splitPatternOptions } from './constant'
 
 defineOptions({ name: 'WorkflowDocumentSplitNode' })
 
@@ -94,20 +94,21 @@ onBeforeUnmount(() => anchorGuard.reset())
         <!-- 分段策略 -->
         <el-form-item label="分段策略" prop="split_strategy" :rules="{ required: true, message: '请选择分段策略', trigger: 'change' }">
           <el-select v-model="formData.split_strategy" placeholder="请选择分段策略" :teleported="false" @change="clearHiddenValidation">
-            <el-option label="智能分段（推荐）" value="auto" />
-            <el-option label="高级分段" value="custom" />
-            <el-option label="QA 问答对" value="qa" />
+            <el-option :label="DOCUMENT_SPLIT_STRATEGY_LABELS.auto" value="auto" />
+            <el-option :label="DOCUMENT_SPLIT_STRATEGY_LABELS.custom" value="custom" />
+            <el-option :label="DOCUMENT_SPLIT_STRATEGY_LABELS.qa" value="qa" />
           </el-select>
         </el-form-item>
         <!-- 子分块长度 -->
         <el-form-item
+          class="mk-hide-asterisk"
           :prop="formData.chunk_size_type === 'referencing' ? 'chunk_size_reference' : 'chunk_size'"
           :rules="formData.chunk_size_type === 'referencing' ? [{ type: 'array', required: true, message: '请选择引用变量', trigger: 'change' }] : []"
         >
           <template #label>
             <div class="flex-between w-full gap-2">
               <span class="flex-align-center gap-1">
-                <span>子分块长度</span>
+                <span :class="formData.chunk_size_type === 'referencing' ? 'mk-required' : ''">子分块长度</span>
                 <MkTooltip effect="dark" placement="right">
                   <template #content>
                     核心目标是平衡检索精度与召回效率
@@ -149,6 +150,7 @@ onBeforeUnmount(() => anchorGuard.reset())
 
         <!-- 分段标识 -->
         <el-form-item
+          class="mk-hide-asterisk"
           v-if="formData.split_strategy === 'custom'"
           :prop="formData.patterns_type === 'referencing' ? 'patterns_reference' : 'patterns'"
           :rules="formData.patterns_type === 'referencing' ? [{ type: 'array', required: true, message: '请选择引用变量', trigger: 'change' }] : []"
@@ -156,7 +158,7 @@ onBeforeUnmount(() => anchorGuard.reset())
           <template #label>
             <div class="flex-between w-full gap-2">
               <div class="flex-align-center gap-1">
-                <span>分段标识</span>
+                <span :class="formData.patterns_type === 'referencing' ? 'mk-required' : ''">分段标识</span>
                 <MkTooltip effect="dark" content="按照所选符号先后顺序做递归分割，分割结果超出分段长度将截取至分段长度。" placement="right">
                   <MkIcon name="icon_info_outlined" class="text-N600!" />
                 </MkTooltip>
@@ -193,13 +195,14 @@ onBeforeUnmount(() => anchorGuard.reset())
 
         <!-- 分段长度 -->
         <el-form-item
+          class="mk-hide-asterisk"
           v-if="formData.split_strategy === 'custom'"
           :prop="formData.limit_type === 'referencing' ? 'limit_reference' : 'limit'"
           :rules="formData.limit_type === 'referencing' ? [{ type: 'array', required: true, message: '请选择引用变量', trigger: 'change' }] : []"
         >
           <template #label>
             <div class="flex-between w-full gap-2">
-              <span>分段长度</span>
+              <span :class="formData.limit_type === 'referencing' ? 'mk-required' : ''">分段长度</span>
               <el-select
                 v-model="formData.limit_type"
                 size="small"
@@ -220,6 +223,7 @@ onBeforeUnmount(() => anchorGuard.reset())
             :max="100000"
             :value-on-clear="0"
             controls-position="right"
+            align="left"
             class="w-full!"
             :step="1"
             :step-strictly="true"