diff --git a/src/views/survey/components/SurveyAttachments.vue b/src/views/survey/components/SurveyAttachments.vue
new file mode 100644
index 0000000..366ffe5
--- /dev/null
+++ b/src/views/survey/components/SurveyAttachments.vue
@@ -0,0 +1,77 @@
+<template>
+  <div class="survey-attachments">
+    <div v-for="file in files" :key="file.id" class="attachment">
+      <i class="el-icon-document" />
+      <span class="filename" :title="file.original_name">{{
+        file.original_name
+      }}</span>
+      <span class="filesize">{{ sizeLabel(file.size) }}</span>
+      <el-button
+        type="text"
+        :loading="downloading === file.id"
+        @click="download(file)"
+      >下载</el-button>
+    </div>
+    <span v-if="!files.length">未上传</span>
+  </div>
+</template>
+<script>
+import axios from 'axios'
+import { getToken } from '@/utils/auth'
+import { saveAs } from 'file-saver'
+export default {
+  props: { responseId: [Number, String], files: { type: Array, default: () => [] }},
+  data() {
+    return { downloading: null }
+  },
+  methods: {
+    sizeLabel(size) {
+      return Number(size) >= 1048576
+        ? (size / 1048576).toFixed(1) + ' MB'
+        : Math.ceil(Number(size || 0) / 1024) + ' KB'
+    },
+    async download(file) {
+      this.downloading = file.id
+      try {
+        const response = await axios.get('/api/admin/course-content-evaluation-form/show', {
+          baseURL: process.env.VUE_APP_BASE_API,
+          params: { id: this.responseId, download_file_id: file.id },
+          headers: { Authorization: 'Bearer ' + getToken() },
+          responseType: 'blob'
+        })
+        if ((response.headers['content-type'] || '').includes('application/json')) {
+          const error = JSON.parse(await response.data.text())
+          throw new Error(error.errmsg || '下载失败，请重新登录后重试')
+        }
+        saveAs(response.data, file.original_name || '附件')
+      } catch (e) {
+        let message = e.message || '下载失败，请稍后重试'
+        if (e.response && e.response.data && typeof e.response.data.text === 'function') {
+          try { message = JSON.parse(await e.response.data.text()).errmsg || message } catch (_) { /* Keep the original error. */ }
+        }
+        this.$message.error(message)
+      } finally {
+        this.downloading = null
+      }
+    }
+  }
+}
+</script>
+<style scoped>
+.attachment {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 8px 0;
+}
+.filename {
+  flex: 1;
+  min-width: 0;
+  overflow-wrap: anywhere;
+}
+.filesize {
+  color: #909399;
+  font-size: 12px;
+  white-space: nowrap;
+}
+</style>
diff --git a/src/views/survey/components/SurveyFieldSettings.vue b/src/views/survey/components/SurveyFieldSettings.vue
index 2dece2b..b45c14f 100644
--- a/src/views/survey/components/SurveyFieldSettings.vue
+++ b/src/views/survey/components/SurveyFieldSettings.vue
@@ -1,5 +1,22 @@
 <template>
   <div class="field-settings">
+    <template v-if="field.edit_input === 'file'">
+      <el-form-item
+        label="最多上传文件数"
+      ><el-input-number
+        :value="field.config.max_files || 1"
+        :min="1"
+        :max="10"
+        :precision="0"
+        @change="$set(field.config, 'max_files', $event)"
+      /></el-form-item>
+      <el-form-item label="允许上传的格式">
+        <el-select :value="field.config.allowed_extensions || fileExtensions" multiple collapse-tags placeholder="请至少选择一种格式" @change="$set(field.config, 'allowed_extensions', $event)">
+          <el-option v-for="ext in fileExtensions" :key="ext" :value="ext" :label="ext.toUpperCase()" />
+        </el-select>
+      </el-form-item>
+      <p class="hint">仅允许所选后缀格式，单文件小于 50MB。</p>
+    </template>
     <template
       v-if="field.edit_input === 'radio' || field.edit_input === 'checkbox'"
     >
@@ -15,6 +32,10 @@
         可自由添加、删除选项并编辑每项分值（支持 0、负数和小数）；5～1
         分仅为快捷预设。
       </p>
+      <el-form-item v-if="field.edit_input === 'checkbox'" label="最多选择几项">
+        <el-input-number :value="field.config.max_choices || 0" :min="0" :max="field.select_item.length || 1" :precision="0" @change="$set(field.config, 'max_choices', $event || 0)" />
+        <span class="hint">0 表示不限</span>
+      </el-form-item>
       <el-form-item label="选项">
         <div
           v-for="(option, index) in field.select_item"
@@ -43,6 +64,17 @@
         </div>
         <el-button size="small" @click="addOption">添加选项</el-button>
       </el-form-item>
+      <template v-if="!dimension && field.edit_input === 'checkbox'">
+        <el-form-item label="选项附加输入框">
+          <div v-for="option in field.select_item" :key="option.key" class="note-settings">
+            <div>{{ option.value || '未命名选项' }} <el-switch :value="!!noteFor(option.key)" active-text="选中后填写" @change="toggleNote(option.key, $event)" /></div>
+            <template v-if="noteFor(option.key)">
+              <el-input v-model="field.config.option_notes[option.key].placeholder" maxlength="255" placeholder="输入框提示文字，如：可初步填写您想咨询的问题" />
+              <el-checkbox v-model="field.config.option_notes[option.key].required">选中后必须填写</el-checkbox>
+            </template>
+          </div>
+        </el-form-item>
+      </template>
       <template v-if="!dimension">
         <el-form-item label="选择后填写补充说明">
           <el-select
@@ -55,9 +87,13 @@
               :key="option.key"
               :value="option.key"
               :label="option.value || option.key"
+              :disabled="!!noteFor(option.key)"
             />
           </el-select>
         </el-form-item>
+        <el-form-item v-if="field.config.other_key || field.allow_input" label="补充输入框提示">
+          <el-input v-model="field.config.other_placeholder" maxlength="255" placeholder="请填写补充说明" />
+        </el-form-item>
         <el-form-item v-if="field.config.other_key" label="补充必填">
           <el-switch v-model="field.config.other_required" />
         </el-form-item>
@@ -96,7 +132,16 @@
 <script>
 export default {
   props: { field: { type: Object, required: true }, dimension: Boolean },
+  data() { return { fileExtensions: ['zip', 'rar', 'ppt', 'pptx', 'xls', 'xlsx', 'doc', 'docx', 'png', 'gif', 'jpg', 'jpeg', 'pdf', 'mp4'] } },
   methods: {
+    noteFor(key) { return (this.field.config.option_notes || {})[key] },
+    toggleNote(key, enabled) {
+      if (!this.field.config.option_notes) this.$set(this.field.config, 'option_notes', {})
+      if (enabled) {
+        this.$set(this.field.config.option_notes, key, { placeholder: '', required: false })
+        if (this.field.config.other_key === key) this.field.config.other_key = ''
+      } else this.$delete(this.field.config.option_notes, key)
+    },
     addOption() {
       this.field.select_item.push({
         key:
@@ -110,7 +155,9 @@ export default {
       if (this.field.config.other_key === this.field.select_item[index].key) {
         this.field.config.other_key = ''
       }
+      if (this.field.config.option_notes) this.$delete(this.field.config.option_notes, this.field.select_item[index].key)
       this.field.select_item.splice(index, 1)
+      if (this.field.config.max_choices > this.field.select_item.length) this.field.config.max_choices = this.field.select_item.length
     },
     ratingOptions() {
       this.field.select_item = [5, 4, 3, 2, 1].map((score, i) => ({
@@ -124,6 +171,8 @@ export default {
 }
 </script>
 <style scoped>
+.note-settings { padding: 10px 0; border-bottom: 1px solid #eee; }
+.note-settings .el-input { margin: 8px 0; }
 .option-row {
   display: flex;
   gap: 8px;
diff --git a/src/views/survey/components/SurveyPreviewField.vue b/src/views/survey/components/SurveyPreviewField.vue
index 504ca5a..a37f45f 100644
--- a/src/views/survey/components/SurveyPreviewField.vue
+++ b/src/views/survey/components/SurveyPreviewField.vue
@@ -1,7 +1,14 @@
 <template>
   <div class="preview-field">
+    <div v-if="field.edit_input === 'file'" class="file-preview">
+      <el-button icon="el-icon-upload2" disabled>上传文件</el-button>
+      <p>
+        最多 {{ (field.config || {}).max_files || 1 }} 个文件，单文件小于
+        50MB（请在小程序中上传）。允许格式：{{ ((field.config || {}).allowed_extensions || ['zip', 'rar', 'ppt', 'pptx', 'xls', 'xlsx', 'doc', 'docx', 'png', 'gif', 'jpg', 'jpeg', 'pdf', 'mp4']).join("、").toUpperCase() }}
+      </p>
+    </div>
     <el-radio-group
-      v-if="field.edit_input === 'radio' || !field.edit_input"
+      v-else-if="field.edit_input === 'radio' || !field.edit_input"
       :value="value"
       :disabled="disabled"
       class="choices"
diff --git a/src/views/survey/components/SurveyQuestion.vue b/src/views/survey/components/SurveyQuestion.vue
index 1751c0a..c5cdbef 100644
--- a/src/views/survey/components/SurveyQuestion.vue
+++ b/src/views/survey/components/SurveyQuestion.vue
@@ -59,7 +59,11 @@
          :value="selectedValue(question)"
          disabled
        />
-        <div class="answer">
+        <SurveyAttachments
+          v-if="question.edit_input === 'file'"
+          :files="question.value || []" :response-id="responseId"
+        />
+        <div v-else class="answer">
           {{ hasOptions(question) ? "学员选择：" : ""
           }}{{ question.display_value }}
         </div>
@@ -90,7 +94,7 @@
           <el-input
             v-model="previewNoteValues[opt.key]"
             type="textarea"
-            :placeholder="question.config.option_notes[opt.key].placeholder"
+            :placeholder="question.config.option_notes[opt.key].placeholder || '请填写补充说明'"
           />
         </div>
         <div v-if="showSupplement" class="supplement-label">
@@ -114,12 +118,14 @@
   </section>
 </template>
 <script>
+import SurveyAttachments from './SurveyAttachments.vue'
 import SurveyPreviewField from './SurveyPreviewField.vue'
 export default {
-  components: { SurveyPreviewField },
+  components: { SurveyPreviewField, SurveyAttachments },
   props: {
     question: { type: Object, required: true },
     answered: Boolean,
+    responseId: [Number, String],
     number: { type: Number, default: 0 }
   },
   data() {
diff --git a/src/views/survey/components/SurveyResultsDialog.vue b/src/views/survey/components/SurveyResultsDialog.vue
index eb83776..f6ed02e 100644
--- a/src/views/survey/components/SurveyResultsDialog.vue
+++ b/src/views/survey/components/SurveyResultsDialog.vue
@@ -27,7 +27,11 @@
             :class="['stat-card', { chapter: q.edit_input === 'section' }]"
           >
             <h3>{{ q.name }}</h3>
-            <p v-if="q.edit_input === 'section'" class="description" v-text="q.help" />
+            <p
+              v-if="q.edit_input === 'section'"
+              class="description"
+              v-text="q.help"
+            />
             <template v-else-if="q.edit_input === 'multi_dimension'">
               <p>
                 有效作答 {{ q.stats.valid_count }} 人
@@ -50,10 +54,10 @@
                 label="均分 / 数量合计"
                 min-width="130"
               ><template slot-scope="scope">{{
-                scope.row.edit_input === 'number'
+                scope.row.edit_input === "number"
                   ? scope.row.stats.sum
                   : scope.row.stats.average === null
-                    ? '—'
+                    ? "—"
                     : scope.row.stats.average
               }}</template></el-table-column></el-table>
               <el-collapse><el-collapse-item
@@ -82,22 +86,24 @@
         ><el-table-column
           label="姓名"
         ><template slot-scope="scope">{{
-          (scope.row.user || {}).name || '—'
+          (scope.row.user || {}).name || "—"
         }}</template></el-table-column><el-table-column
           label="学号"
         ><template slot-scope="scope">{{
-          (scope.row.user || {}).no || '—'
+          (scope.row.user || {}).no || "—"
         }}</template></el-table-column><el-table-column
           label="公司"
         ><template slot-scope="scope">{{
-          (scope.row.user || {}).company_name || '—'
+          (scope.row.user || {}).company_name || "—"
         }}</template></el-table-column><el-table-column
           label="职务"
         ><template slot-scope="scope">{{
-          (scope.row.user || {}).company_position || '—'
+          (scope.row.user || {}).company_position || "—"
         }}</template></el-table-column><el-table-column
           label="最近提交时间"
-        ><template slot-scope="scope">{{ scope.row.updated_at || scope.row.created_at }}</template></el-table-column><el-table-column
+        ><template slot-scope="scope">{{
+          scope.row.updated_at || scope.row.created_at
+        }}</template></el-table-column><el-table-column
           label="操作"
           width="90"
         ><template
@@ -123,23 +129,27 @@
     >
       <div v-if="reply" class="reply">
         <h2>{{ reply.snapshot ? reply.snapshot.title : surveyData.title }}</h2>
-        <SurveyDescription class="description" :value="reply.snapshot ? reply.snapshot.desc : surveyData.desc" />
+        <SurveyDescription
+          class="description"
+          :value="reply.snapshot ? reply.snapshot.desc : surveyData.desc"
+        />
         <el-descriptions
           border
           :column="2"
         ><el-descriptions-item label="姓名">{{
-          (reply.user || {}).name || '—'
+          (reply.user || {}).name || "—"
         }}</el-descriptions-item><el-descriptions-item label="最近提交时间">{{
           reply.updated_at || reply.created_at
         }}</el-descriptions-item><el-descriptions-item label="公司">{{
-          (reply.user || {}).company_name || '—'
+          (reply.user || {}).company_name || "—"
         }}</el-descriptions-item><el-descriptions-item label="学号">{{
-          (reply.user || {}).no || '—'
+          (reply.user || {}).no || "—"
         }}</el-descriptions-item></el-descriptions>
         <SurveyQuestion
           v-for="q in reply.questions"
           :key="q.id"
           :question="q"
+          :response-id="reply.id"
           answered
         />
       </div>
@@ -153,7 +163,11 @@
       <div v-loading="textsLoading">
         <div v-for="item in texts" :key="item.id" class="text-answer">
           <small>{{ item.created_at }}</small>
-          <p>{{ item.text }}</p>
+          <SurveyAttachments
+            v-if="item.files && item.files.length"
+            :files="item.files" :response-id="item.id"
+          />
+          <p v-else>{{ item.text }}</p>
           <el-button
             type="text"
             @click="openReply(item)"
@@ -180,11 +194,17 @@ import {
   statistics,
   textAnswers
 } from '@/api/survey/evaluationForm'
+import SurveyAttachments from './SurveyAttachments.vue'
 import SurveyDescription from './SurveyDescription.vue'
 import SurveyQuestion from './SurveyQuestion.vue'
 import SurveyStatsField from './SurveyStatsField.vue'
 export default {
-  components: { SurveyQuestion, SurveyStatsField, SurveyDescription },
+  components: {
+    SurveyAttachments,
+    SurveyQuestion,
+    SurveyStatsField,
+    SurveyDescription
+  },
   props: { visible: Boolean, surveyData: { type: Object, default: null }},
   data() {
     return {
diff --git a/src/views/survey/components/SurveyStatsField.vue b/src/views/survey/components/SurveyStatsField.vue
index c664152..a34eed9 100644
--- a/src/views/survey/components/SurveyStatsField.vue
+++ b/src/views/survey/components/SurveyStatsField.vue
@@ -27,10 +27,14 @@
       slot-scope="scope"
     >{{ scope.row.percentage }}%</template></el-table-column></el-table>
     <el-button
-      v-if="['text', 'textarea', 'date', 'datetime'].includes(field.edit_input)"
+      v-if="
+        ['text', 'textarea', 'date', 'datetime', 'file'].includes(
+          field.edit_input
+        )
+      "
       type="text"
       @click="$emit('texts', 'value')"
-    >查看回答</el-button>
+    >{{ field.edit_input === "file" ? "查看附件" : "查看回答" }}</el-button>
     <el-button
       v-if="field.stats.other_count"
       type="text"
diff --git a/src/views/survey/components/applyForm.vue b/src/views/survey/components/applyForm.vue
index ac971e6..0aa7d36 100644
--- a/src/views/survey/components/applyForm.vue
+++ b/src/views/survey/components/applyForm.vue
@@ -101,6 +101,7 @@ export default {
         { value: 'checkbox', label: '多选' },
         { value: 'multi_dimension', label: '多维度 / 组合' },
         { value: 'number', label: '数字' },
+        { value: 'file', label: '文件上传' },
         { value: 'text', label: '短文本' },
         { value: 'textarea', label: '长文本' },
         { value: 'date', label: '日期' },
diff --git a/tests/unit/components/Survey.spec.js b/tests/unit/components/Survey.spec.js
index 0a39d32..1a57766 100644
--- a/tests/unit/components/Survey.spec.js
+++ b/tests/unit/components/Survey.spec.js
@@ -1,3 +1,7 @@
+import axios from 'axios'
+import Attachments from '@/views/survey/components/SurveyAttachments.vue'
+import { saveAs } from 'file-saver'
+jest.mock('file-saver', () => ({ saveAs: jest.fn() }))
 import { mount, shallowMount, createLocalVue } from '@vue/test-utils'
 import ElementUI from 'element-ui'
 import FieldSettings from '@/views/survey/components/SurveyFieldSettings.vue'
@@ -28,8 +32,10 @@ describe('Survey editing and results', () => {
     jest.clearAllMocks()
   })
   it('keeps unrestricted and multiple audience courses mutually exclusive', () => {
-    const state = { form: { audience_course_ids: [] } }
-    Object.defineProperty(state, 'audienceSelection', { get: () => Wizard.computed.audienceSelection.call(state) })
+    const state = { form: { audience_course_ids: [] }}
+    Object.defineProperty(state, 'audienceSelection', {
+      get: () => Wizard.computed.audienceSelection.call(state)
+    })
     expect(state.audienceSelection).toEqual(['all'])
     Wizard.methods.changeAudience.call(state, ['all', 11])
     expect(state.form.audience_course_ids).toEqual([11])
@@ -437,4 +443,46 @@ describe('Survey editing and results', () => {
     expect(wrapper.vm.reply.questions[0].display_value).toBe('0')
     wrapper.destroy()
   })
+  it('shows file names and downloads with original names', async() => {
+    const file = { id: 81, original_name: '材料.pdf', url: '/storage/files/a.pdf', size: 2048 }
+    const answer = mount(Question, { localVue, propsData: { answered: true, question: { edit_input: 'file', name: '附件', value: [file] } } })
+    expect(answer.text()).toContain('材料.pdf')
+    expect(answer.text()).toContain('下载')
+    const blob = new Blob(['example'])
+    const get = jest.spyOn(axios, 'get').mockResolvedValue({ headers: { 'content-type': 'application/pdf' }, data: blob })
+    const oldFetch = global.fetch
+    global.fetch = jest.fn().mockResolvedValue({ ok: true, blob: () => Promise.resolve(blob) })
+    await answer.find(Attachments).vm.download(file)
+    expect(saveAs).toHaveBeenCalledWith(blob, '材料.pdf')
+    expect(get).toHaveBeenCalledWith('/api/admin/course-content-evaluation-form/show', expect.objectContaining({ params: expect.objectContaining({ download_file_id: 81 }) }))
+    get.mockRestore()
+    global.fetch = oldFetch
+    answer.destroy()
+  })
+  it('edits allowed upload formats and shows them in preview', async() => {
+    const field = { edit_input: 'file', config: { max_files: 2, allowed_extensions: ['pdf'] } }
+    const wrapper = shallowMount(FieldSettings, { localVue, propsData: { field } })
+    wrapper.find('el-select-stub').vm.$emit('change', ['pdf', 'docx'])
+    await wrapper.vm.$nextTick()
+    expect(field.config.allowed_extensions).toEqual(['pdf', 'docx'])
+    const preview = mount(PreviewField, { localVue, propsData: { field } })
+    expect(preview.text()).toContain('PDF、DOCX')
+    wrapper.destroy()
+    preview.destroy()
+  })
+  it('configures per-option notes, placeholders and selection limits without a new type', async() => {
+    const field = { edit_input: 'checkbox', select_item: [{ key: 'tax', value: '财税' }, { key: 'legal', value: '法律' }], config: { max_choices: 1, other_key: 'tax', other_placeholder: '补充说明提示' } }
+    const settings = shallowMount(FieldSettings, { localVue, propsData: { field } })
+    settings.vm.toggleNote('tax', true)
+    expect(field.config.other_key).toBe('')
+    field.config.option_notes.tax.placeholder = '可初步填写您想咨询的问题'
+    field.config.option_notes.tax.required = true
+    const editor = shallowMount(Editor, { localVue, propsData: { question: { ...field, name: '会场', field: 'venues' } } })
+    await editor.vm.save()
+    expect(save.mock.calls[0][0].config).toMatchObject({ max_choices: 1, other_placeholder: '补充说明提示', option_notes: { tax: { placeholder: '可初步填写您想咨询的问题', required: true } } })
+    settings.vm.removeOption(0)
+    expect(field.config.option_notes.tax).toBeUndefined()
+    settings.destroy()
+    editor.destroy()
+  })
 })