diff --git a/inventory-web/src/views/material/list.vue b/inventory-web/src/views/material/list.vue
index eee1deb..01ca739 100644
--- a/inventory-web/src/views/material/list.vue
+++ b/inventory-web/src/views/material/list.vue
@@ -254,23 +254,28 @@
                 <span v-if="getImagesOnly(row.generalImage).length > 1" class="more-badge">+{{getImagesOnly(row.generalImage).length}}</span>
               </div>
 
-              <el-popover v-if="row.generalManual && row.generalManual.length > 0" placement="top" trigger="hover" width="200">
+              <el-popover v-if="row.generalManual && row.generalManual.length > 0" placement="top" trigger="hover" width="260">
                 <template #reference>
-                  <el-button link type="primary" :icon="Document" />
+                  <el-button link type="primary" :icon="row.generalManual.some(l => !isExternalLink(l) && !isImageFile(l)) ? Files : Document" />
                 </template>
                 <div style="display: flex; flex-direction: column; gap: 5px;">
-                  <div v-for="(link, idx) in row.generalManual" :key="idx">
-                    <el-link v-if="isExternalLink(link)" :href="link" target="_blank" type="primary" :underline="false">
-                      说明书 {{idx+1}} <el-icon><Link /></el-icon>
-                    </el-link>
-                    <el-image v-else-if="isImageFile(link)"
-                              style="width: 100px; height: 100px"
-                              :src="getImageUrl(link)"
-                              :preview-src-list="[getImageUrl(link)]"
-                              fit="cover"
-                              preview-teleported
+                  <!-- 图片文件 -->
+                  <div v-for="(link, idx) in row.generalManual.filter(l => !isExternalLink(l) && isImageFile(l))" :key="'img-' + idx">
+                    <el-image
+                        style="width: 80px; height: 80px; cursor: pointer;"
+                        :src="getImageUrl(link)"
+                        :preview-src-list="row.generalManual.filter(l => !isExternalLink(l) && isImageFile(l)).map(u => getImageUrl(u))"
+                        fit="cover"
+                        preview-teleported
                     />
-                    <el-link v-else :href="getImageUrl(link)" target="_blank" type="info">PDF 文件 {{idx+1}}</el-link>
+                    <span style="font-size: 12px; color: #999;">图片 {{idx+1}}</span>
+                  </div>
+                  <!-- 非图片文件 -->
+                  <div v-for="(link, idx) in row.generalManual.filter(l => !isExternalLink(l) && !isImageFile(l))" :key="'file-' + idx">
+                    <el-link @click.prevent="handleDownloadConfirm(link)" type="info" :underline="false">
+                      <el-icon><Files /></el-icon>
+                      {{ link.split('/').pop() }}
+                    </el-link>
                   </div>
                 </div>
               </el-popover>
@@ -457,7 +462,32 @@
                   :on-remove="(file) => handleRemoveImage(file, 'generalManual')"
                   :before-upload="beforeAvatarUpload"
               >
-                <el-icon><Plus /></el-icon>
+                <template #default>
+                  <div v-if="!fileListManual.length" class="upload-add-trigger">
+                    <el-icon><Plus /></el-icon>
+                  </div>
+                </template>
+                <template #file="{ file }">
+                  <div class="upload-file-item">
+                    <template v-if="isImageFile(file.url)">
+                      <img class="el-upload-list__item-thumbnail" :src="file.url" alt="" />
+                    </template>
+                    <template v-else>
+                      <div class="file-thumbnail">
+                        <el-icon size="28"><Document /></el-icon>
+                        <span class="file-name">{{ truncateFileName(file.name) }}</span>
+                      </div>
+                    </template>
+                    <span class="el-upload-list__item-actions">
+                      <span class="el-upload-list__item-preview" @click="handlePreviewPicture(file)">
+                        <el-icon><ZoomIn /></el-icon>
+                      </span>
+                      <span class="el-upload-list__item-delete" @click="() => handleRemoveImage(file, 'generalManual')">
+                        <el-icon><Delete /></el-icon>
+                      </span>
+                    </span>
+                  </div>
+                </template>
               </el-upload>
               <div class="camera-card" @click="triggerCamera('generalManual')">
                 <el-icon><Camera /></el-icon><span class="text">拍照</span>
@@ -563,7 +593,7 @@
 
 <script setup lang="ts">
 import { ref, reactive, onMounted, nextTick, computed } from 'vue';
-import { Plus, Document, Refresh, Setting, Rank, Camera, Link, Download, Bell, CircleCheck } from '@element-plus/icons-vue';
+import { Plus, Document, Refresh, Setting, Rank, Camera, Link, Download, Bell, CircleCheck, Files, ZoomIn, Delete } from '@element-plus/icons-vue';
 import { ElMessage, ElMessageBox, ElLoading } from 'element-plus';
 import type { FormInstance, FormRules } from 'element-plus';
 import { useUserStore } from '@/stores/user';
@@ -673,6 +703,9 @@ const cameraDialogVisible = ref(false);
 const cameraRef = ref<InstanceType<typeof WebRtcCamera> | null>(null);
 const currentCameraField = ref<'generalImage' | 'generalManual'>('generalImage');
 
+// 脏检查 - 记录编辑前的原始数据
+const originalForm = ref<any>(null);
+
 // 复选框选中数据
 const selectedItems = ref<MaterialBaseVO[]>([]);
 const handleSelectionChange = (selection: MaterialBaseVO[]) => {
@@ -1115,6 +1148,9 @@ const handleEdit = (row: MaterialBaseVO) => {
     const data = JSON.parse(JSON.stringify(row));
     Object.assign(form.value, data);
 
+    // 深拷贝保存原始数据用于脏检查
+    originalForm.value = JSON.parse(JSON.stringify(data));
+
     if (data.category) {
       const parts = data.category.split('/');
       if (parts.length > 0) {
@@ -1163,6 +1199,33 @@ const checkDuplicate = async (name: string, spec: string): Promise<boolean> => {
   return false;
 };
 
+const isArraysEqual = (a: any[], b: any[]): boolean => {
+  if (a.length !== b.length) return false;
+  const sortedA = [...a].sort();
+  const sortedB = [...b].sort();
+  return sortedA.every((val, idx) => val === sortedB[idx]);
+};
+
+const buildPartialPayload = (current: any, original: any): any => {
+  const payload: any = { id: current.id };
+  const compareFields = ['name', 'commonName', 'category', 'type', 'spec', 'unit', 'visibilityLevel', 'isEnabled', 'isInspectionRequired', 'generalImage', 'generalManual', 'companyName'];
+
+  for (const key of compareFields) {
+    const currentVal = current[key];
+    const originalVal = original[key];
+
+    // 处理数组比较（generalImage, generalManual）
+    if (Array.isArray(currentVal) && Array.isArray(originalVal)) {
+      if (!isArraysEqual(currentVal, originalVal)) {
+        payload[key] = currentVal;
+      }
+    } else if (currentVal !== originalVal) {
+      payload[key] = currentVal;
+    }
+  }
+  return payload;
+};
+
 const submitForm = async () => {
   if (!formRef.value) return;
 
@@ -1188,19 +1251,44 @@ const submitForm = async () => {
         if (prefixStr && suffixStr) fullCategory = prefixStr + '/' + suffixStr;
         else fullCategory = prefixStr || suffixStr;
 
-        const payload = {
+        // 构建最终表单数据
+        const finalForm = {
           ...form.value,
           category: fullCategory,
           generalImage: finalImageList,
           generalManual: finalManualList
         };
 
+        // 脏检查：只提交变更的字段
+        let payload: any;
+        if (form.value.id && originalForm.value) {
+          // 编辑模式：生成部分更新 payload
+          payload = buildPartialPayload(finalForm, originalForm.value);
+          // 如果分类被修改，需要确保包含在 payload 中
+          if (payload.category === undefined && fullCategory !== originalForm.value.category) {
+            payload.category = fullCategory;
+          }
+        } else {
+          // 新增模式：提交完整数据
+          payload = finalForm;
+        }
+
+        // 如果没有变更，提示用户
+        const changedKeys = Object.keys(payload).filter(k => k !== 'id');
+        if (changedKeys.length === 0) {
+          ElMessage.info('没有检测到数据变更，无需保存');
+          submitLoading.value = false;
+          dialog.visible = false;
+          return;
+        }
+
         const requestApi = form.value.id ? updateMaterialBase : addMaterialBase;
         const actionText = form.value.id ? '修改' : '新增';
         await requestApi(payload);
 
         ElMessage.success(`${actionText}成功`);
         dialog.visible = false;
+        originalForm.value = null;
         getList();
         getOptionsList();
       } catch (error: any) {
@@ -1227,6 +1315,7 @@ const resetForm = () => {
 
   imageExternalUrl.value = '';
   manualExternalUrl.value = '';
+  originalForm.value = null;
   if (formRef.value) formRef.value.resetFields();
 };
 
@@ -1358,8 +1447,21 @@ const tableRowClassName = ({ row }: { row: MaterialBaseVO }) => {
 
 const getImageUrl = (url: string) => { return !url ? '' : (url.startsWith('http') ? url : url) }
 const isExternalLink = (str: string) => { return str && (str.startsWith('http://') || str.startsWith('https://')) && !str.includes('/api/v1/common/files') }
-const getImagesOnly = (list: string[]) => { return !list ? [] : list.filter(item => !isExternalLink(item)) }
-const isImageFile = (url: string) => { return /\.(jpg|jpeg|png|gif|webp)$/i.test(url) }
+const isImageFile = (url: string) => { return /\.(jpg|jpeg|png|gif|webp|bmp)$/i.test(url) }
+const getImagesOnly = (list: string[]) => { return !list ? [] : list.filter(item => !isExternalLink(item) && isImageFile(item)) }
+const getNonImagesOnly = (list: string[]) => { return !list ? [] : list.filter(item => !isExternalLink(item) && !isImageFile(item)) }
+const truncateFileName = (name: string, maxLen = 12) => { return name.length > maxLen ? name.slice(0, maxLen - 3) + '...' : name }
+
+const handleDownloadConfirm = (link: string) => {
+  const fileName = link.split('/').pop() || '文件';
+  ElMessageBox.confirm(`确认要下载/查看「${fileName}」吗？`, '提示', {
+    confirmButtonText: '确定',
+    cancelButtonText: '取消',
+    type: 'info'
+  }).then(() => {
+    window.open(getImageUrl(link), '_blank');
+  }).catch(() => {});
+}
 
 const beforeAvatarUpload = (rawFile: any) => {
   const isTypeValid = ['image/jpeg', 'image/png', 'application/pdf'].includes(rawFile.type);
@@ -1410,8 +1512,13 @@ const handleRemoveImage = async (uploadFile: any, targetField: 'generalImage' |
 }
 
 const handlePreviewPicture = (uploadFile: any) => {
-  dialogImageUrl.value = uploadFile.url!;
-  dialogVisibleImage.value = true
+  const fileUrl = uploadFile.url || uploadFile.response?.url || '';
+  if (isImageFile(fileUrl)) {
+    dialogImageUrl.value = getImageUrl(fileUrl);
+    dialogVisibleImage.value = true;
+  } else {
+    window.open(getImageUrl(fileUrl), '_blank');
+  }
 }
 
 const triggerCamera = (field: 'generalImage' | 'generalManual') => {
@@ -1528,6 +1635,16 @@ onMounted(() => {
 .file-preview-cell { display: flex; align-items: center; justify-content: center; position: relative; }
 .more-badge { position: absolute; top: -5px; right: -5px; background: #909399; color: #fff; border-radius: 10px; padding: 0 4px; font-size: 10px; transform: scale(0.9); }
 
+/* 上传文件项样式 - 非图片文件显示 */
+.upload-file-item { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
+.upload-file-item .el-upload-list__item-thumbnail { width: 100%; height: 100%; object-fit: cover; }
+.upload-file-item .file-thumbnail { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 100%; height: 100%; background: #f5f7fa; color: #606266; }
+.upload-file-item .file-thumbnail .file-name { font-size: 10px; margin-top: 4px; text-align: center; padding: 0 4px; word-break: break-all; max-width: 90px; }
+.upload-file-item .el-upload-list__item-actions { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0, 0, 0, 0.6); opacity: 0; transition: opacity 0.3s; }
+.upload-file-item:hover .el-upload-list__item-actions { opacity: 1; }
+.upload-file-item .el-upload-list__item-actions .el-icon { color: #fff; font-size: 20px; cursor: pointer; margin: 0 4px; }
+.upload-add-trigger { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
+
 /* 预警行样式 - 加深颜色 */
 :deep(.warning-row-red) {
   --el-table-tr-bg-color: #ffcdd2 !important;
diff --git a/导入基础信息.py b/数据爬取/导入基础信息.py
similarity index 98%
rename from 导入基础信息.py
rename to 数据爬取/导入基础信息.py
index c34735f..be5f57c 100644
--- a/导入基础信息.py
+++ b/数据爬取/导入基础信息.py
@@ -12,7 +12,7 @@ DB_CONFIG = {
 }
 
 # 2. Excel 文件路径
-EXCEL_FILE = 'product.template.xlsx'
+EXCEL_FILE = '../product.template.xlsx'
 
 
 def process_excel_to_db():