diff --git a/src/components/admin/ImageSelector.vue b/src/components/admin/ImageSelector.vue
index 10585f6..3f794d6 100644
--- a/src/components/admin/ImageSelector.vue
+++ b/src/components/admin/ImageSelector.vue
@@ -1,7 +1,7 @@
 <template>
   <el-dialog
     v-model="visible"
-    title="选择图片"
+    :title="props.acceptAll ? '选择文件' : '选择图片'"
     width="900px"
     append-to-body
     @close="handleClose"
@@ -12,13 +12,13 @@
         <el-tab-pane label="文件库" name="fileLibrary">
           <div class="file-list-container">
             <div class="file-list-header">
-              <h4>图片文件库</h4>
+              <h4>{{ props.acceptAll ? '文件库' : '图片文件库' }}</h4>
               <div class="header-actions">
                 <span v-if="props.multiple && selectedIds.size > 0" class="selected-count">
                   已选 {{ selectedIds.size }} 个文件
                 </span>
                 <el-button type="primary" @click="switchToUpload" :icon="Upload">
-                  上传新图片
+                  {{ props.acceptAll ? '上传新文件' : '上传新图片' }}
                 </el-button>
               </div>
             </div>
@@ -52,10 +52,15 @@
                 </div>
                 <div class="file-preview">
                   <img 
+                    v-if="isImageFile(file.realName, file.url)"
                     :src="processImageUrl(file.url)" 
                     :alt="file.realName"
                     @error="handleImageError"
                   />
+                  <div v-else class="file-type-icon">
+                    <el-icon :size="32"><Document /></el-icon>
+                    <span class="file-ext">{{ getFileExt(file.realName) }}</span>
+                  </div>
                 </div>
                 <div class="file-info">
                   <p class="file-name" :title="file.realName">{{ file.realName }}</p>
@@ -63,7 +68,7 @@
                 </div>
               </div>
             </div>
-            <el-empty v-if="filteredFileList.length === 0 && !loading" description="暂无图片文件" />
+            <el-empty v-if="filteredFileList.length === 0 && !loading" :description="props.acceptAll ? '暂无文件' : '暂无图片文件'" />
             
             <!-- 分页 -->
             <div class="pagination-container" v-if="total > 0">
@@ -81,14 +86,14 @@
           </div>
         </el-tab-pane>
         
-        <!-- 上传图片 -->
-        <el-tab-pane label="上传图片" name="upload">
+        <!-- 上传文件 -->
+        <el-tab-pane :label="props.acceptAll ? '上传文件' : '上传图片'" name="upload">
           <div class="upload-section">
             <el-upload
               :auto-upload="false"
               :show-file-list="false"
               :on-change="handleFileChange"
-              accept="image/*"
+              :accept="props.acceptAll ? undefined : 'image/*'"
               multiple
               drag
             >
@@ -98,7 +103,7 @@
               </div>
               <template #tip>
                 <div class="el-upload__tip">
-                  支持jpg、png、gif、webp等图片格式，单个文件不超过5MB
+                  {{ props.acceptAll ? '支持所有文件类型，单个文件不超过50MB' : '支持jpg、png、gif、webp等图片格式，单个文件不超过5MB' }}
                 </div>
               </template>
             </el-upload>
@@ -111,7 +116,10 @@
               </div>
               <div class="pending-list">
                 <div v-for="(file, index) in pendingFiles" :key="index" class="pending-item">
-                  <img :src="file.previewUrl" class="pending-preview" />
+                  <img v-if="file.isImage" :src="file.previewUrl" class="pending-preview" />
+                  <div v-else class="pending-preview pending-file-icon">
+                    <el-icon :size="20"><Document /></el-icon>
+                  </div>
                   <span class="pending-name" :title="file.name">{{ file.name }}</span>
                   <span class="pending-size">{{ formatFileSize(file.size) }}</span>
                   <el-button type="danger" link size="small" @click="removePendingFile(index)">移除</el-button>
@@ -149,7 +157,7 @@
 <script setup>
 import { ref, watch, computed } from 'vue'
 import { ElMessage } from 'element-plus'
-import { Upload, UploadFilled, Search, Select, Delete } from '@element-plus/icons-vue'
+import { Upload, UploadFilled, Search, Select, Delete, Document } from '@element-plus/icons-vue'
 import { getFileList, getFileDetail, uploadFile } from '@/api/admin/file'
 
 // Props
@@ -165,6 +173,10 @@ const props = defineProps({
   multiple: {
     type: Boolean,
     default: false
+  },
+  acceptAll: {
+    type: Boolean,
+    default: false
   }
 })
 
@@ -349,22 +361,37 @@ const selectFile = (file) => {
   }
 }
 
+// 判断是否为图片文件
+const isImageFile = (name, url) => {
+  const imgExts = /\.(jpe?g|png|gif|webp|bmp|svg|ico|avif)$/i
+  if (name && imgExts.test(name)) return true
+  if (url && imgExts.test(url.split('?')[0])) return true
+  return false
+}
+
+const getFileExt = (name) => {
+  if (!name) return ''
+  const dotIndex = name.lastIndexOf('.')
+  if (dotIndex === -1) return ''
+  return name.slice(dotIndex + 1).toUpperCase()
+}
+
 // 文件选择变化（收集待上传文件）
 const handleFileChange = (file) => {
   const rawFile = file.raw
   if (!rawFile) return
   
-  // 验证文件类型
-  const isImage = rawFile.type.startsWith('image/')
-  if (!isImage) {
-    ElMessage.error(`${rawFile.name} 不是图片文件，已跳过`)
-    return
+  if (!props.acceptAll) {
+    const isImage = rawFile.type.startsWith('image/')
+    if (!isImage) {
+      ElMessage.error(`${rawFile.name} 不是图片文件，已跳过`)
+      return
+    }
   }
   
-  // 验证文件大小
-  const isLt5M = rawFile.size / 1024 / 1024 < 5
-  if (!isLt5M) {
-    ElMessage.error(`${rawFile.name} 超过 5MB，已跳过`)
+  const sizeLimit = props.acceptAll ? 50 : 5
+  if (rawFile.size / 1024 / 1024 > sizeLimit) {
+    ElMessage.error(`${rawFile.name} 超过 ${sizeLimit}MB，已跳过`)
     return
   }
   
@@ -372,12 +399,13 @@ const handleFileChange = (file) => {
   const exists = pendingFiles.value.some(f => f.name === rawFile.name && f.size === rawFile.size)
   if (exists) return
   
-  // 添加到待上传列表，生成本地预览URL
+  const fileIsImage = rawFile.type.startsWith('image/')
   pendingFiles.value.push({
     raw: rawFile,
     name: rawFile.name,
     size: rawFile.size,
-    previewUrl: URL.createObjectURL(rawFile)
+    isImage: fileIsImage,
+    previewUrl: fileIsImage ? URL.createObjectURL(rawFile) : ''
   })
 }
 
@@ -593,6 +621,25 @@ const handleConfirm = () => {
   object-fit: cover;
 }
 
+.file-type-icon {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 4px;
+  color: #909399;
+}
+
+.file-ext {
+  font-size: 10px;
+  font-weight: 600;
+  color: #606266;
+  max-width: 60px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .file-info {
   text-align: center;
 }
@@ -670,6 +717,14 @@ const handleConfirm = () => {
   border: 1px solid #ebeef5;
 }
 
+.pending-file-icon {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background-color: #f5f7fa;
+  color: #909399;
+}
+
 .pending-name {
   flex: 1;
   font-size: 13px;
diff --git a/src/views/sms/SmsSignature.vue b/src/views/sms/SmsSignature.vue
index 2e24732..a272912 100644
--- a/src/views/sms/SmsSignature.vue
+++ b/src/views/sms/SmsSignature.vue
@@ -108,6 +108,7 @@
         </div>
 
         <div class="sig-card-footer">
+          <el-button size="small" @click="handleDetail(item)">详情</el-button>
           <el-button type="primary" size="small" @click="handleEdit(item)">编辑</el-button>
           <el-button v-if="item.status === 0" type="warning" size="small" @click="handleSubmit(item)">提交审核</el-button>
           <el-button v-if="item.status === 1" type="success" size="small" @click="handleApprove(item)">通过</el-button>
@@ -159,18 +160,52 @@
         <el-form-item label="签名标题" prop="title">
           <el-input v-model="form.title" placeholder="如：某某公司" maxlength="30" show-word-limit />
         </el-form-item>
+
+        <el-divider content-position="left">申请人资料</el-divider>
         <el-form-item label="申请人姓名">
-          <el-input v-model="form.applicant_name" placeholder="申请人真实姓名" />
+          <el-input v-model="form.applicant_name" placeholder="申请人真实姓名（可选）" />
         </el-form-item>
-        <el-form-item label="身份证号">
-          <el-input v-model="form.applicant_id_card" placeholder="申请人身份证号" />
+        <el-form-item label="申请人身份证号" prop="applicant_id_card">
+          <el-input v-model="form.applicant_id_card" placeholder="申请人身份证号（可选）" />
         </el-form-item>
-        <el-form-item label="公司名称">
-          <el-input v-model="form.applicant_company" placeholder="申请人公司（可选）" />
+
+        <el-divider content-position="left">主体资料</el-divider>
+        <el-form-item label="主体名称">
+          <el-input v-model="form.applicant_company" placeholder="企业/主体名称（可选）" />
+        </el-form-item>
+        <el-form-item label="统一社会信用代码">
+          <el-input v-model="form.credit_code" placeholder="统一社会信用代码（可选）" />
         </el-form-item>
         <el-form-item label="营业执照URL">
           <el-input v-model="form.license_url" placeholder="营业执照图片地址（可选）" />
         </el-form-item>
+
+        <el-divider content-position="left">法人资料</el-divider>
+        <el-form-item label="法人姓名">
+          <el-input v-model="form.legal_person_name" placeholder="法人姓名（可选）" />
+        </el-form-item>
+        <el-form-item label="法人手机号" prop="legal_person_phone">
+          <el-input v-model="form.legal_person_phone" placeholder="法人手机号（可选）" />
+        </el-form-item>
+        <el-form-item label="法人身份证号" prop="legal_person_id_card">
+          <el-input v-model="form.legal_person_id_card" placeholder="法人身份证号（可选）" />
+        </el-form-item>
+
+        <el-divider content-position="left">经办人资料</el-divider>
+        <el-form-item label="经办人手机号" prop="agent_phone">
+          <el-input v-model="form.agent_phone" placeholder="经办人手机号（可选）" />
+        </el-form-item>
+        <el-form-item label="身份证正面URL">
+          <el-input v-model="form.agent_id_card_front_url" placeholder="经办人身份证正面图片地址（可选）" />
+        </el-form-item>
+        <el-form-item label="身份证反面URL">
+          <el-input v-model="form.agent_id_card_back_url" placeholder="经办人身份证反面图片地址（可选）" />
+        </el-form-item>
+
+        <el-divider content-position="left">承诺函</el-divider>
+        <el-form-item label="承诺函URL">
+          <el-input v-model="form.commitment_letter_url" placeholder="签署盖章后的承诺函照片地址（可选）" />
+        </el-form-item>
       </el-form>
       <template #footer>
         <el-button @click="dialogVisible = false">取消</el-button>
@@ -191,6 +226,77 @@
       </template>
     </el-dialog>
 
+    <!-- 详情对话框 -->
+    <el-dialog v-model="detailVisible" title="签名详情" width="640px" append-to-body destroy-on-close>
+      <div v-if="detailData" class="detail-wrap">
+        <el-descriptions title="基础信息" :column="2" border size="small">
+          <el-descriptions-item label="签名标题">{{ detailData.title || '-' }}</el-descriptions-item>
+          <el-descriptions-item label="状态">
+            <el-tag :type="statusTagType(detailData.status)" size="small" effect="dark">{{ statusText(detailData.status) }}</el-tag>
+          </el-descriptions-item>
+          <el-descriptions-item label="用户">
+            <el-link type="primary" :underline="false" @click="$router.push({ path: '/user/detail', query: { user_id: detailData.user_id } })">ID: {{ detailData.user_id }}</el-link>
+          </el-descriptions-item>
+          <el-descriptions-item label="创建时间">{{ formatDate(detailData.CreatedAt) }}</el-descriptions-item>
+          <el-descriptions-item v-if="detailData.reject_reason" label="驳回原因" :span="2">
+            <span class="reject-text">{{ detailData.reject_reason }}</span>
+          </el-descriptions-item>
+        </el-descriptions>
+
+        <el-descriptions title="申请人资料" :column="2" border size="small" class="detail-section">
+          <el-descriptions-item label="申请人姓名">{{ detailData.applicant_name || '-' }}</el-descriptions-item>
+          <el-descriptions-item label="申请人身份证号">{{ detailData.applicant_id_card || '-' }}</el-descriptions-item>
+        </el-descriptions>
+
+        <el-descriptions title="主体资料" :column="2" border size="small" class="detail-section">
+          <el-descriptions-item label="主体名称">{{ detailData.applicant_company || '-' }}</el-descriptions-item>
+          <el-descriptions-item label="统一社会信用代码">{{ detailData.credit_code || '-' }}</el-descriptions-item>
+        </el-descriptions>
+
+        <el-descriptions title="法人资料" :column="2" border size="small" class="detail-section">
+          <el-descriptions-item label="法人姓名">{{ detailData.legal_person_name || '-' }}</el-descriptions-item>
+          <el-descriptions-item label="法人手机号">{{ detailData.legal_person_phone || '-' }}</el-descriptions-item>
+          <el-descriptions-item label="法人身份证号" :span="2">{{ detailData.legal_person_id_card || '-' }}</el-descriptions-item>
+        </el-descriptions>
+
+        <el-descriptions title="经办人资料" :column="2" border size="small" class="detail-section">
+          <el-descriptions-item label="经办人手机号">{{ detailData.agent_phone || '-' }}</el-descriptions-item>
+        </el-descriptions>
+
+        <div class="detail-section detail-images-title">证件与文件</div>
+        <div class="detail-images">
+          <div class="detail-img-item">
+            <span class="detail-img-label">营业执照</span>
+            <el-image v-if="detailData.license_url" :src="detailData.license_url" :preview-src-list="[detailData.license_url]" fit="cover" class="detail-img" preview-teleported />
+            <div v-else class="detail-img-empty">未上传</div>
+          </div>
+          <div class="detail-img-item">
+            <span class="detail-img-label">身份证正面</span>
+            <el-image v-if="detailData.agent_id_card_front_url" :src="detailData.agent_id_card_front_url" :preview-src-list="[detailData.agent_id_card_front_url]" fit="cover" class="detail-img" preview-teleported />
+            <div v-else class="detail-img-empty">未上传</div>
+          </div>
+          <div class="detail-img-item">
+            <span class="detail-img-label">身份证反面</span>
+            <el-image v-if="detailData.agent_id_card_back_url" :src="detailData.agent_id_card_back_url" :preview-src-list="[detailData.agent_id_card_back_url]" fit="cover" class="detail-img" preview-teleported />
+            <div v-else class="detail-img-empty">未上传</div>
+          </div>
+          <div class="detail-img-item">
+            <span class="detail-img-label">承诺函</span>
+            <el-image v-if="detailData.commitment_letter_url" :src="detailData.commitment_letter_url" :preview-src-list="[detailData.commitment_letter_url]" fit="cover" class="detail-img" preview-teleported />
+            <div v-else class="detail-img-empty">未上传</div>
+          </div>
+        </div>
+        <div class="detail-file-row">
+          <span class="detail-img-label">申请文件</span>
+          <el-link v-if="detailData.application_file_url" type="primary" :href="detailData.application_file_url" target="_blank">查看申请文件</el-link>
+          <span v-else class="detail-empty-text">未上传</span>
+        </div>
+      </div>
+      <template #footer>
+        <el-button @click="detailVisible = false">关闭</el-button>
+      </template>
+    </el-dialog>
+
     <!-- 表单用户选择器 -->
     <UserListSelector
       v-model="userSelectorVisible"
@@ -229,17 +335,64 @@ const queryParams = reactive({ service_id: null, page: 1, count: 10, user_id: ''
 const dialogVisible = ref(false)
 const dialogType = ref('add')
 const formRef = ref(null)
-const form = reactive({ service_id: null, user_id: null, title: '', applicant_name: '', applicant_id_card: '', applicant_company: '', license_url: '' })
+
+const createEmptyForm = () => ({
+  service_id: null,
+  user_id: null,
+  title: '',
+  // 主体资料
+  applicant_company: '',
+  credit_code: '',
+  license_url: '',
+  // 法人资料
+  legal_person_name: '',
+  legal_person_phone: '',
+  legal_person_id_card: '',
+  // 经办人资料
+  applicant_name: '',
+  agent_phone: '',
+  applicant_id_card: '',
+  agent_id_card_front_url: '',
+  agent_id_card_back_url: '',
+  commitment_letter_url: ''
+})
+
+const form = reactive(createEmptyForm())
+const originalEditForm = ref(null)
+
+// 非必填字段：仅当填写时才校验格式，接口未声明必填的字段不设为必填
+const validatePhone = (rule, value, callback) => {
+  if (value && !/^1[3-9]\d{9}$/.test(value)) {
+    callback(new Error('请输入正确的手机号'))
+  } else {
+    callback()
+  }
+}
+const validateIdCard = (rule, value, callback) => {
+  if (value && !/(^\d{15}$)|(^\d{17}[\dXx]$)/.test(value)) {
+    callback(new Error('请输入正确的身份证号'))
+  } else {
+    callback()
+  }
+}
+
 const formRules = {
   service_id: [{ required: true, message: '请选择服务', trigger: 'change' }],
   user_id: [{ required: true, message: '请输入用户ID', trigger: 'blur' }],
-  title: [{ required: true, message: '请输入签名标题', trigger: 'blur' }]
+  title: [{ required: true, message: '请输入签名标题', trigger: 'blur' }],
+  legal_person_phone: [{ validator: validatePhone, trigger: 'blur' }],
+  agent_phone: [{ validator: validatePhone, trigger: 'blur' }],
+  legal_person_id_card: [{ validator: validateIdCard, trigger: 'blur' }],
+  applicant_id_card: [{ validator: validateIdCard, trigger: 'blur' }]
 }
 
 const rejectDialogVisible = ref(false)
 const rejectReason = ref('')
 const currentRow = ref(null)
 
+const detailVisible = ref(false)
+const detailData = ref(null)
+
 const userSelectorVisible = ref(false)
 const selectedUserInfo = ref(null)
 const filterUserSelectorVisible = ref(false)
@@ -308,26 +461,42 @@ const clearUser = () => {
   selectedUserInfo.value = null
 }
 
+const handleDetail = (row) => {
+  detailData.value = row
+  detailVisible.value = true
+}
+
 const handleAdd = () => {
   dialogType.value = 'add'
   selectedUserInfo.value = null
-  Object.assign(form, { service_id: queryParams.service_id, user_id: null, title: '', applicant_name: '', applicant_id_card: '', applicant_company: '', license_url: '' })
+  originalEditForm.value = null
+  Object.assign(form, createEmptyForm(), { service_id: queryParams.service_id })
+  delete form.signature_id
   dialogVisible.value = true
 }
 
 const handleEdit = (row) => {
   dialogType.value = 'edit'
   selectedUserInfo.value = { user_id: row.user_id, user_name: `用户${row.user_id}` }
-  Object.assign(form, {
+  Object.assign(form, createEmptyForm(), {
     service_id: queryParams.service_id,
     signature_id: row.ID,
     user_id: row.user_id,
     title: row.title,
-    applicant_name: row.applicant_name || '',
-    applicant_id_card: row.applicant_id_card || '',
     applicant_company: row.applicant_company || '',
-    license_url: row.license_url || ''
+    credit_code: row.credit_code || '',
+    license_url: row.license_url || '',
+    legal_person_name: row.legal_person_name || '',
+    legal_person_phone: row.legal_person_phone || '',
+    legal_person_id_card: row.legal_person_id_card || '',
+    applicant_name: row.applicant_name || '',
+    agent_phone: row.agent_phone || '',
+    applicant_id_card: row.applicant_id_card || '',
+    agent_id_card_front_url: row.agent_id_card_front_url || '',
+    agent_id_card_back_url: row.agent_id_card_back_url || '',
+    commitment_letter_url: row.commitment_letter_url || ''
   })
+  originalEditForm.value = { ...form }
   dialogVisible.value = true
 }
 
@@ -336,11 +505,34 @@ const handleFormSubmit = () => {
     if (!valid) return
     submitting.value = true
     try {
-      const data = { ...form }
       let res
       if (dialogType.value === 'add') {
-        res = await createSmsSignature(data)
+        res = await createSmsSignature({ ...form })
       } else {
+        const data = {
+          service_id: form.service_id,
+          signature_id: form.signature_id
+        }
+        const editableFields = [
+          'title',
+          'applicant_name',
+          'applicant_id_card',
+          'applicant_company',
+          'license_url',
+          'credit_code',
+          'legal_person_name',
+          'legal_person_phone',
+          'legal_person_id_card',
+          'agent_phone',
+          'agent_id_card_front_url',
+          'agent_id_card_back_url',
+          'commitment_letter_url'
+        ]
+        editableFields.forEach((field) => {
+          if (form[field] !== originalEditForm.value?.[field]) {
+            data[field] = form[field]
+          }
+        })
         res = await updateSmsSignature(data)
       }
       if (res.data.code === 200) {
@@ -546,4 +738,54 @@ onMounted(async () => {
   border-top: 1px solid #f0f2f5;
   flex-wrap: wrap;
 }
+
+/* 详情弹窗 */
+.detail-wrap { max-height: 60vh; overflow-y: auto; padding-right: 4px; }
+.detail-section { margin-top: 16px; }
+.detail-images-title {
+  font-size: 14px;
+  font-weight: 600;
+  color: #303133;
+  margin-bottom: 12px;
+}
+.detail-images {
+  display: flex;
+  gap: 16px;
+  flex-wrap: wrap;
+}
+.detail-img-item {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+.detail-img-label {
+  font-size: 12px;
+  color: #909399;
+}
+.detail-img {
+  width: 140px;
+  height: 90px;
+  border-radius: 6px;
+  border: 1px solid #ebeef5;
+  cursor: pointer;
+}
+.detail-img-empty {
+  width: 140px;
+  height: 90px;
+  border-radius: 6px;
+  background: #f5f7fa;
+  border: 1px dashed #dcdfe6;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #c0c4cc;
+  font-size: 12px;
+}
+.detail-file-row {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  margin-top: 16px;
+}
+.detail-empty-text { color: #c0c4cc; font-size: 13px; }
 </style>
diff --git a/src/views/system/SettingManage.vue b/src/views/system/SettingManage.vue
index f9dd7be..027766b 100644
--- a/src/views/system/SettingManage.vue
+++ b/src/views/system/SettingManage.vue
@@ -303,7 +303,7 @@
           <div v-else-if="settingForm.type === 'file'" class="file-upload-section">
             <div class="file-info-display" v-if="settingForm.value && fileInfo">
               <div class="file-item" :class="{ 'uploading': fileUploading && fileInfo.isLocal }">
-                <div class="file-preview" v-if="fileInfo.url || fileInfo.localUrl" @click="openImageSelector" style="cursor: pointer;">
+                <div class="file-preview" v-if="isImageFileName(fileInfo.realName || fileInfo.saveName) && (fileInfo.url || fileInfo.localUrl)" @click="openImageSelector" style="cursor: pointer;">
                   <img :src="fileInfo.localUrl || processImageUrl(fileInfo.url)" :alt="fileInfo.realName" class="preview-image" @click.stop="previewImage(fileInfo.localUrl || fileInfo.url)" @error="handleImageError" />
                   <div v-if="fileUploading && fileInfo.isLocal" class="upload-overlay">
                     <el-icon class="is-loading"><Loading /></el-icon>
@@ -313,6 +313,11 @@
                 <div class="file-preview" v-else @click="openImageSelector" style="cursor: pointer;">
                   <div class="file-placeholder">
                     <el-icon><Document /></el-icon>
+                    <span v-if="fileInfo.realName" class="file-ext-label">{{ getFileExtLabel(fileInfo.realName) }}</span>
+                  </div>
+                  <div v-if="fileUploading && fileInfo.isLocal" class="upload-overlay">
+                    <el-icon class="is-loading"><Loading /></el-icon>
+                    <span>上传中...</span>
                   </div>
                 </div>
                 <div class="file-details">
@@ -321,8 +326,8 @@
                   <span class="file-size">{{ formatFileSize(fileInfo.size) }}</span>
                 </div>
                 <div class="file-actions">
-                  <el-button type="primary" size="small" @click="openImageSelector" :icon="Picture">
-                    修改图片
+                  <el-button type="primary" size="small" @click="openImageSelector" :icon="FolderOpened">
+                    修改文件
                   </el-button>
                   <el-button type="danger" size="small" @click="clearFile">删除</el-button>
                 </div>
@@ -333,10 +338,10 @@
                 <el-button 
                   type="primary" 
                   @click="openImageSelector"
-                  :icon="Picture"
+                  :icon="FolderOpened"
                   class="image-selector-btn"
                 >
-                  从文件库选择图片
+                  从文件库选择文件
                 </el-button>
               </div>
             </div>
@@ -346,7 +351,7 @@
               <div class="file-list-header">
                 <span class="list-title">文件列表 ({{ getEditableFormFileList().length }} 项)</span>
                 <div class="header-actions">
-                  <el-button size="small" @click="openImageSelectorForList" :icon="Picture">
+                  <el-button size="small" @click="openImageSelectorForList" :icon="FolderOpened">
                     从文件库选择
                   </el-button>
                 </div>
@@ -366,7 +371,7 @@
                   </div>
                   <div class="file-preview">
                     <img 
-                      v-if="fileItem.url || fileItem.localUrl" 
+                      v-if="isImageFileName(fileItem.realName || fileItem.saveName) && (fileItem.url || fileItem.localUrl)"
                       :src="fileItem.localUrl || processImageUrl(fileItem.url)" 
                       :alt="fileItem.realName" 
                       class="preview-image" 
@@ -375,6 +380,7 @@
                     />
                     <div v-else class="file-placeholder">
                       <el-icon><Document /></el-icon>
+                      <span v-if="fileItem.realName || fileItem.saveName" class="file-ext-label">{{ getFileExtLabel(fileItem.realName || fileItem.saveName) }}</span>
                     </div>
                     <div v-if="fileItem.uploading" class="upload-overlay">
                       <el-icon class="is-loading"><Loading /></el-icon>
@@ -509,7 +515,7 @@
                       <div class="file-thumb" @click="openStructFileSelector('struct', field.key)">
                         <img v-if="structFileUrls[field.key]" :src="structFileUrls[field.key]" @error="(e) => e.target.style.display='none'" />
                         <div v-else class="file-thumb-empty">
-                          <el-icon><Picture /></el-icon>
+                          <el-icon><Document /></el-icon>
                         </div>
                       </div>
                       <el-button v-if="structValue[field.key]" type="danger" link size="small" class="file-clear-btn" @click="structValue[field.key] = ''; delete structFileUrls[field.key]"><el-icon><Delete /></el-icon></el-button>
@@ -525,7 +531,7 @@
                         >
                           <div class="file-thumb" @click="previewFile(fid)">
                             <img v-if="structFileUrls[field.key + '_' + fi]" :src="structFileUrls[field.key + '_' + fi]" @error="(e) => e.target.style.display='none'" />
-                            <div v-else class="file-thumb-empty"><el-icon><Picture /></el-icon></div>
+                            <div v-else class="file-thumb-empty"><el-icon><Document /></el-icon></div>
                           </div>
                           <el-button class="thumb-del-btn" type="danger" link size="small" @click="removeInlineListItem('file_list', 'struct', field.key, null, -1, fi)"><el-icon><Delete /></el-icon></el-button>
                         </div>
@@ -591,7 +597,7 @@
                         <div v-else-if="sub.type === 'file'" class="struct-file-picker">
                           <div class="file-thumb" @click="openStructFileSelector('struct-nested', field.key, sub.key)">
                             <img v-if="structFileUrls[field.key + '.' + sub.key]" :src="structFileUrls[field.key + '.' + sub.key]" @error="(e) => e.target.style.display='none'" />
-                            <div v-else class="file-thumb-empty"><el-icon><Picture /></el-icon></div>
+                            <div v-else class="file-thumb-empty"><el-icon><Document /></el-icon></div>
                           </div>
                           <el-button v-if="getNestedValue(field.key)[sub.key]" type="danger" link size="small" class="file-clear-btn" @click="getNestedValue(field.key)[sub.key] = ''; delete structFileUrls[field.key + '.' + sub.key]"><el-icon><Delete /></el-icon></el-button>
                         </div>
@@ -606,7 +612,7 @@
                             >
                               <div class="file-thumb" @click="previewFile(fid)">
                                 <img v-if="structFileUrls[field.key + '.' + sub.key + '_' + fi]" :src="structFileUrls[field.key + '.' + sub.key + '_' + fi]" @error="(e) => e.target.style.display='none'" />
-                                <div v-else class="file-thumb-empty"><el-icon><Picture /></el-icon></div>
+                                <div v-else class="file-thumb-empty"><el-icon><Document /></el-icon></div>
                               </div>
                               <el-button class="thumb-del-btn" type="danger" link size="small" @click="removeInlineListItem('file_list', 'struct-nested', field.key, sub.key, -1, fi)"><el-icon><Delete /></el-icon></el-button>
                             </div>
@@ -800,7 +806,7 @@
                         <div v-else-if="field.type === 'file'" class="struct-file-picker">
                           <div class="file-thumb small" @click="openStructFileSelector('struct-list', field.key, null, itemIndex)">
                             <img v-if="structFileUrls['list_' + itemIndex + '_' + field.key]" :src="structFileUrls['list_' + itemIndex + '_' + field.key]" @error="(e) => e.target.style.display='none'" />
-                            <div v-else class="file-thumb-empty"><el-icon><Picture /></el-icon></div>
+                            <div v-else class="file-thumb-empty"><el-icon><Document /></el-icon></div>
                           </div>
                           <el-button v-if="item[field.key]" type="danger" link size="small" class="file-clear-btn" @click="item[field.key] = ''; delete structFileUrls['list_' + itemIndex + '_' + field.key]"><el-icon><Delete /></el-icon></el-button>
                         </div>
@@ -815,7 +821,7 @@
                             >
                               <div class="file-thumb small" @click="previewFile(fid)">
                                 <img v-if="structFileUrls['list_' + itemIndex + '_' + field.key + '_' + fi]" :src="structFileUrls['list_' + itemIndex + '_' + field.key + '_' + fi]" @error="(e) => e.target.style.display='none'" />
-                                <div v-else class="file-thumb-empty"><el-icon><Picture /></el-icon></div>
+                                <div v-else class="file-thumb-empty"><el-icon><Document /></el-icon></div>
                               </div>
                               <el-button class="thumb-del-btn" type="danger" link size="small" @click="removeInlineListItem('file_list', 'struct-list', field.key, null, itemIndex, fi)"><el-icon><Delete /></el-icon></el-button>
                             </div>
@@ -1056,11 +1062,12 @@
       <img :src="currentViewImage" style="max-width: 100%; max-height: 80vh;" />
     </el-dialog>
 
-    <!-- 图片选择器 -->
+    <!-- 文件选择器 -->
     <ImageSelector 
       v-model="imageSelectorVisible" 
       :current-file-id="currentImageSelectorFileId"
       :multiple="imageSelectorMode === 'list' || imageSelectorMode === 'struct-file-list'"
+      :accept-all="true"
       @confirm="handleImageSelectorConfirm"
     />
   </div>
@@ -1070,7 +1077,7 @@
 import { ref, reactive, onMounted, watch, nextTick, computed } from 'vue'
 import { useRoute } from 'vue-router'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { Search, Plus, Delete, UploadFilled, Folder, Document, Loading, Picture, Edit, Rank, FolderAdd, CopyDocument, CircleCheck, CircleClose, InfoFilled, Clock, Setting, EditPen, Connection, ArrowRight, View } from '@element-plus/icons-vue'
+import { Search, Plus, Delete, UploadFilled, Folder, FolderOpened, Document, Loading, Picture, Edit, Rank, FolderAdd, CopyDocument, CircleCheck, CircleClose, InfoFilled, Clock, Setting, EditPen, Connection, ArrowRight, View } from '@element-plus/icons-vue'
 import {
   getSettingGroupList,
   getSettingGroupInfo,
@@ -2213,6 +2220,18 @@ const formatFileSize = (bytes) => {
   return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i]
 }
 
+const isImageFileName = (name) => {
+  if (!name) return false
+  return /\.(jpe?g|png|gif|webp|bmp|svg|ico|avif)$/i.test(name)
+}
+
+const getFileExtLabel = (name) => {
+  if (!name) return ''
+  const dotIndex = name.lastIndexOf('.')
+  if (dotIndex === -1) return ''
+  return name.slice(dotIndex + 1).toUpperCase()
+}
+
 const truncateFileName = (fileName, maxLength = 25) => {
   if (!fileName) return ''
   if (fileName.length <= maxLength) return fileName
@@ -3485,13 +3504,22 @@ onMounted(() => {
   width: 100%;
   height: 100%;
   display: flex;
+  flex-direction: column;
   align-items: center;
   justify-content: center;
+  gap: 2px;
   background: #f5f7fa;
   color: #909399;
   font-size: 24px;
 }
 
+.file-ext-label {
+  font-size: 10px;
+  font-weight: 600;
+  color: #606266;
+  line-height: 1;
+}
+
 .file-details {
   display: flex;
   flex-direction: column;