diff --git a/src/views/finance/purchasingrequisition/add.vue b/src/views/finance/purchasingrequisition/add.vue
index 969bc00..befe035 100644
--- a/src/views/finance/purchasingrequisition/add.vue
+++ b/src/views/finance/purchasingrequisition/add.vue
@@ -10,12 +10,12 @@
             </span>
           </div>
         </template>
-        <div v-loading="loading">
+        <div v-loading="loading" style="padding-bottom: 20px;">
           <!-- 步骤条 -->
-          <el-steps :active="currentStep" finish-status="success" style="margin-bottom: 30px;">
+          <!-- <el-steps :active="currentStep" finish-status="success" style="margin-bottom: 30px;">
             <el-step title="基本信息" />
             <el-step :title="stepTwoTitle" />
-          </el-steps>
+          </el-steps> -->
 
           <el-form 
             ref="formRef" 
@@ -108,15 +108,16 @@
               <el-row :gutter="24">
                 <el-col :span="24" class="mb20">
                   <el-form-item label="品目编码" prop="categoryCode">
-                    <el-tree-select
-                      v-model="dataForm.categoryCode"
-                      :data="categoryTreeData"
-                      :props="{ value: 'code', label: 'name', children: 'children' }"
+                    <el-cascader
+                      v-model="categoryCodePath"
+                      :options="categoryTreeData"
+                      :props="{ value: 'code', label: 'name', children: 'children', checkStrictly: true }"
                       placeholder="请选择品目编码（需要显示所有的层级）"
                       clearable
-                      check-strictly
-                      :render-after-expand="false"
-                      style="width: 100%" />
+                      filterable
+                      :show-all-levels="true"
+                      style="width: 100%"
+                      @change="handleCategoryChange" />
                   </el-form-item>
                 </el-col>
               </el-row>
@@ -125,7 +126,7 @@
             <!-- 第二步：采购详情 -->
             <div v-show="currentStep === 1">
               <!-- 分支一：部门自行采购 -->
-              <div v-if="isDeptPurchase">
+              <div  class="mb20" v-if="isDeptPurchase">
                 <div class="step-title mb20">部门自行采购</div>
                 <el-form-item label="采购内容" prop="projectContent" class="mb20">
                   <el-input 
@@ -146,7 +147,7 @@
                     style="width: 100%">
                     <el-option 
                       v-for="item in purchaseTypeDeptList" 
-                      :key="item.value" 
+                      :key="item.id" 
                       :label="item.label" 
                       :value="item.value" />
                   </el-select>
@@ -154,7 +155,7 @@
 
                 <!-- 商务洽谈 -->
                 <el-form-item 
-                  v-if="dataForm.purchaseType === 'business_negotiation'"
+                  v-if="dataForm.purchaseType === PURCHASE_TYPE_IDS.BUSINESS_NEGOTIATION"
                   label="商务洽谈表" 
                   prop="businessNegotiationTable" 
                   class="mb20">
@@ -174,7 +175,7 @@
 
                 <!-- 市场采购 -->
                 <el-form-item 
-                  v-if="dataForm.purchaseType === 'market_purchase'"
+                  v-if="dataForm.purchaseType === PURCHASE_TYPE_IDS.MARKET_PURCHASE"
                   label="市场采购纪要" 
                   prop="marketPurchaseMinutes" 
                   class="mb20">
@@ -194,7 +195,7 @@
 
                 <!-- 网上商城 -->
                 <el-form-item 
-                  v-if="dataForm.purchaseType === 'online_mall'"
+                  v-if="dataForm.purchaseType === PURCHASE_TYPE_IDS.ONLINE_MALL"
                   label="网上商城采购相关材料" 
                   prop="onlineMallMaterials" 
                   class="mb20">
@@ -209,7 +210,7 @@
                 </el-form-item>
 
                 <!-- 委托采购中心 -->
-                <template v-if="dataForm.purchaseType === 'entrust_center'">
+                <template v-if="dataForm.purchaseType === PURCHASE_TYPE_IDS.ENTRUST_CENTER">
                   <el-form-item label="委托采购中心方式" prop="entrustCenterType" class="mb20">
                     <el-radio-group v-model="dataForm.entrustCenterType">
                       <el-radio label="service_online">服务类网上商城</el-radio>
@@ -265,7 +266,7 @@
 
                   <!-- 其他方式（货物类） -->
                   <el-form-item 
-                    v-if="dataForm.entrustCenterType === 'other' && isGoodsCategory"
+                    v-if="dataForm.entrustCenterType === 'other' && categoryCodePath && categoryCodePath[0] === 'A'"
                     label="采购需求填报模板" 
                     prop="purchaseRequirementTemplate" 
                     class="mb20">
@@ -292,36 +293,39 @@
                       <el-radio label="no">无</el-radio>
                     </el-radio-group>
                   </el-form-item>
-                  <el-form-item 
-                    v-if="dataForm.hasRecommendedSupplier === 'yes'"
-                    label="推荐供应商" 
-                    prop="recommendedSuppliers" 
-                    class="mb20">
-                    <el-input 
-                      v-model="dataForm.recommendedSuppliers" 
-                      placeholder="请输入三家供应商名称，用逗号分隔" 
-                      clearable />
-                    <div class="template-note mt5">
-                      <el-text type="info" size="small">请输入三家供应商名称，用逗号分隔</el-text>
-                    </div>
-                  </el-form-item>
-                  <el-form-item 
-                    label="服务商城项目需求模板（邀请比选）" 
-                    prop="serviceInviteSelect" 
-                    class="mb20">
-                    <el-button 
-                      type="primary" 
-                      link 
-                      icon="Download"
-                      @click="downloadTemplate('invite_select')"
-                      class="mb10">
-                      下载《服务商城项目需求模板（邀请比选）》模版
-                    </el-button>
-                    <upload-file
-                      v-model="dataForm.serviceInviteSelect"
-                      :limit="5"
-                      upload-file-url="/purchase/purchasingfiles/upload" />
-                  </el-form-item>
+                  <!-- 有推荐供应商：显示推荐供应商输入框和邀请比选模板 -->
+                  <template v-if="dataForm.hasRecommendedSupplier === 'yes'">
+                    <el-form-item 
+                      label="推荐供应商" 
+                      prop="recommendedSuppliers" 
+                      class="mb20">
+                      <el-input 
+                        v-model="dataForm.recommendedSuppliers" 
+                        placeholder="请输入三家供应商名称，用逗号分隔" 
+                        clearable />
+                      <div class="template-note mt5">
+                        <el-text type="info" size="small">请输入三家供应商名称，用逗号分隔</el-text>
+                      </div>
+                    </el-form-item>
+                    <el-form-item 
+                      label="服务商城项目需求模板（邀请比选）" 
+                      prop="serviceInviteSelect" 
+                      class="mb20">
+                      <el-button 
+                        type="primary" 
+                        link 
+                        icon="Download"
+                        @click="downloadTemplate('invite_select')"
+                        class="mb10">
+                        下载《服务商城项目需求模板（邀请比选）》模版
+                      </el-button>
+                      <upload-file
+                        v-model="dataForm.serviceInviteSelect"
+                        :limit="5"
+                        upload-file-url="/purchase/purchasingfiles/upload" />
+                    </el-form-item>
+                  </template>
+                  <!-- 无推荐供应商：显示公开比选模板 -->
                   <el-form-item 
                     v-if="dataForm.hasRecommendedSupplier === 'no'"
                     label="服务商城项目需求模板（公开比选）" 
@@ -344,10 +348,10 @@
               </div>
 
               <!-- 分支二：学校统一采购 -->
-              <div v-else>
+              <div class="mb20" v-else  >
                 <div class="step-title mb20">学校统一采购</div>
                 <el-form-item label="采购形式" prop="purchaseMode" class="mb20">
-                  <el-select 
+                  <el-select  
                     v-model="dataForm.purchaseMode" 
                     placeholder="请选择采购形式" 
                     clearable
@@ -364,6 +368,7 @@
                     v-model="dataForm.purchaseTypeUnion" 
                     placeholder="请选择采购方式" 
                     clearable
+                    :disabled="isAutoSelectPurchaseTypeUnion"
                     style="width: 100%">
                     <el-option 
                       v-for="item in purchaseTypeUnionList" 
@@ -470,6 +475,69 @@
                     upload-file-url="/purchase/purchasingfiles/upload" />
                 </el-form-item>
 
+                <!-- 特殊规则：5万<=金额<40万，服务类目（isMallService=1、isProjectService=1），自动使用邀请比选模版 -->
+                <template v-if="showAutoInviteSelectSchool">
+                  <el-form-item label="是否有推荐供应商" prop="hasRecommendedSupplierSchool" class="mb20">
+                    <el-radio-group v-model="dataForm.hasRecommendedSupplierSchool">
+                      <el-radio label="yes">有</el-radio>
+                      <el-radio label="no">无</el-radio>
+                    </el-radio-group>
+                  </el-form-item>
+                  <!-- 有推荐供应商：显示推荐供应商输入框和邀请比选模板 -->
+                  <template v-if="dataForm.hasRecommendedSupplierSchool === 'yes'">
+                    <el-form-item 
+                      label="推荐供应商" 
+                      prop="recommendedSuppliersSchool" 
+                      class="mb20">
+                      <el-input 
+                        v-model="dataForm.recommendedSuppliersSchool" 
+                        type="textarea"
+                        :rows="3"
+                        placeholder="请输入三家供应商名称，用逗号或分号分隔" 
+                        clearable />
+                      <div class="template-note mt5">
+                        <el-text type="info" size="small">请输入三家供应商名称，用逗号或分号分隔</el-text>
+                      </div>
+                    </el-form-item>
+                    <el-form-item 
+                      label="服务商城项目需求模板（邀请比选）" 
+                      prop="serviceInviteSelectSchool" 
+                      class="mb20">
+                      <el-button 
+                        type="primary" 
+                        link 
+                        icon="Download"
+                        @click="downloadTemplate('invite_select')"
+                        class="mb10">
+                        下载《服务商城项目需求模板（邀请比选）》模版
+                      </el-button>
+                      <upload-file
+                        v-model="dataForm.serviceInviteSelectSchool"
+                        :limit="5"
+                        upload-file-url="/purchase/purchasingfiles/upload" />
+                    </el-form-item>
+                  </template>
+                  <!-- 无推荐供应商：显示公开比选模板 -->
+                  <el-form-item 
+                    v-if="dataForm.hasRecommendedSupplierSchool === 'no'"
+                    label="服务商城项目需求模板（公开比选）" 
+                    prop="servicePublicSelectSchoolAuto" 
+                    class="mb20">
+                    <el-button 
+                      type="primary" 
+                      link 
+                      icon="Download"
+                      @click="downloadTemplate('public_select')"
+                      class="mb10">
+                      下载《服务商城项目需求模板（公开比选）》模版
+                    </el-button>
+                    <upload-file
+                      v-model="dataForm.servicePublicSelectSchoolAuto"
+                      :limit="5"
+                      upload-file-url="/purchase/purchasingfiles/upload" />
+                  </el-form-item>
+                </template>
+
                 <!-- 特殊规则：40万<=金额<100万，服务类目，自动使用公开比选需求模版 -->
                 <el-form-item 
                   v-if="showAutoPublicSelect"
@@ -602,8 +670,14 @@ const dataForm = reactive({
   importApplication: '',
   governmentPurchaseIntent: '',
   servicePublicSelectSchool: '',
+  // 学校统一采购特殊规则字段（5万<=金额<40万）
+  hasRecommendedSupplierSchool: '',
+  recommendedSuppliersSchool: '',
+  serviceInviteSelectSchool: '',
+  servicePublicSelectSchoolAuto: '',
 });
 const categoryTreeData = ref<any[]>([]);
+const categoryCodePath = ref<string[]>([]); // 级联选择器的路径数组
 const fundSourceList = ref<any[]>([]);
 const isCentralizedList = ref<any[]>([]);
 const isSpecialList = ref<any[]>([]);
@@ -612,6 +686,14 @@ const purchaseModeSchoolList = ref<any[]>([]);
 const purchaseTypeUnionList = ref<any[]>([]);
 const loading = ref(false);
 
+// 采购方式ID常量
+const PURCHASE_TYPE_IDS = {
+  BUSINESS_NEGOTIATION: '77b429c146fc9e12ba4c5573da19ad70', // 商务洽谈
+  MARKET_PURCHASE: 'd522054027140e4d76e074cd96ecfc12', // 市场采购
+  ONLINE_MALL: 'e8723b4e3c3d51deb54f9349482ea894', // 网上商城
+  ENTRUST_CENTER: '981bf052a0b30b028a4a89ae490c9b1d' // 委托采购中心
+};
+
 // 判断是否为部门自行采购（是否集采=0）
 const isDeptPurchase = computed(() => {
   return dataForm.isCentralized === '0';
@@ -622,6 +704,31 @@ const stepTwoTitle = computed(() => {
   return isDeptPurchase.value ? '部门自行采购' : '学校统一采购';
 });
 
+// 根据 code 查找完整路径（用于回显）
+const findCategoryPath = (data: any[], targetCode: string, path: string[] = []): string[] | null => {
+  for (const item of data) {
+    const currentPath = [...path, item.code];
+    if (item.code === targetCode) {
+      return currentPath;
+    }
+    if (item.children && item.children.length > 0) {
+      const found = findCategoryPath(item.children, targetCode, currentPath);
+      if (found) return found;
+    }
+  }
+  return null;
+};
+
+// 级联选择器变化处理
+const handleCategoryChange = (value: string[]) => {
+  if (value && value.length > 0) {
+    // 取最后一个值作为选中的 code
+    dataForm.categoryCode = value[value.length - 1];
+  } else {
+    dataForm.categoryCode = '';
+  }
+};
+
 // 从品目编码中获取项目类型和属性
 const getCategoryInfo = () => {
   if (!dataForm.categoryCode || categoryTreeData.value.length === 0) {
@@ -678,20 +785,53 @@ const showAutoInviteSelect = computed(() => {
   return budget >= 50000 && budget < 400000 && isServiceCategory.value && isSpecialServiceCategory.value;
 });
 
-// 判断是否显示自动公开比选模版（40万<=金额<100万，服务类目，特殊服务类目）
+// 判断是否显示学校统一采购的自动邀请比选模版（5万<=金额<40万，服务类目，特殊服务类目）
+const showAutoInviteSelectSchool = computed(() => {
+  if (isDeptPurchase.value) return false;
+  if (!dataForm.budget) return false;
+  const budget = dataForm.budget;
+  return budget >= 50000 && budget < 400000 && isSpecialServiceCategory.value;
+});
+
+// 判断是否显示自动公开比选模版（40万<=金额<100万，特殊服务类目：isMallService=1、isProjectService=1）
 const showAutoPublicSelect = computed(() => {
   if (isDeptPurchase.value) return false;
   if (!dataForm.budget) return false;
   const budget = dataForm.budget;
-  return budget >= 400000 && budget < 1000000 && isServiceCategory.value && isSpecialServiceCategory.value;
+  return budget >= 400000 && budget < 1000000 && isSpecialServiceCategory.value;
 });
 
-// 监听品目编码变化，自动设置采购方式
-watch(() => dataForm.categoryCode, (newVal) => {
-  if (isAutoSelectPurchaseType.value && !dataForm.purchaseType) {
-    const onlineMallOption = purchaseTypeDeptList.value.find(item => item.value === 'online_mall');
-    if (onlineMallOption) {
-      dataForm.purchaseType = 'online_mall';
+// 判断学校统一采购是否需要自动设置采购方式（5万<=金额<40万，服务类目，特殊服务类目）
+const isAutoSelectPurchaseTypeUnion = computed(() => {
+  if (isDeptPurchase.value) return false;
+  if (!dataForm.budget) return false;
+  const budget = dataForm.budget;
+  return budget >= 50000 && budget < 400000 && isSpecialServiceCategory.value;
+});
+
+// 监听品目编码和预算金额变化，自动设置采购方式
+watch([() => dataForm.categoryCode, () => dataForm.budget], () => {
+  // 部门自行采购：自动设置网上商城
+  if (isAutoSelectPurchaseType.value && isDeptPurchase.value) {
+    // 查找网上商城选项（通过id或value匹配）
+    const onlineMallOption = purchaseTypeDeptList.value.find(item => 
+      item.id === PURCHASE_TYPE_IDS.ONLINE_MALL || 
+      item.value === PURCHASE_TYPE_IDS.ONLINE_MALL
+    );
+    if (onlineMallOption && dataForm.purchaseType !== onlineMallOption.value) {
+      dataForm.purchaseType = onlineMallOption.value;
+    }
+  }
+  
+  // 学校统一采购：自动设置网上商城采购方式
+  if (isAutoSelectPurchaseTypeUnion.value && !isDeptPurchase.value) {
+    // 查找学校统一采购方式字典中包含"网上商城"的选项
+    const onlineMallOption = purchaseTypeUnionList.value.find(item => {
+      const label = item.label || item.dictLabel || item.name || '';
+      return label.includes('网上商城') || label.includes('商城');
+    });
+    if (onlineMallOption && dataForm.purchaseTypeUnion !== onlineMallOption.value) {
+      dataForm.purchaseTypeUnion = onlineMallOption.value;
     }
   }
 }, { immediate: true });
@@ -783,6 +923,16 @@ const nextStep = async () => {
   try {
     const fieldsToValidate = ['projectName', 'applyDate', 'fundSource', 'budget', 'isCentralized', 'isSpecial', 'categoryCode'];
     await formRef.value?.validateField(fieldsToValidate);
+    
+    // 打印品目编码的值
+    console.log('品目编码值 (categoryCode):', dataForm.categoryCode);
+    console.log('品目编码路径 (categoryCodePath):', categoryCodePath.value);
+    console.log('品目编码完整信息:', {
+      code: dataForm.categoryCode,
+      path: categoryCodePath.value,
+      categoryInfo: getCategoryInfo()
+    });
+    
     currentStep.value = 1;
   } catch (error) {
     useMessage().warning('请完善第一步信息');
@@ -882,7 +1032,7 @@ const getIsCentralizedDict = async () => {
 // 获取是否特殊情况字典
 const getIsSpecialDict = async () => {
   try {
-    const res = await getDicts('PURCHASE_IS_SPECIAL');
+    const res = await getDicts('PURCHASE_IS_SPEC');
     isSpecialList.value = [];
     if (res.data && Array.isArray(res.data)) {
       isSpecialList.value = res.data.map((item: any) => ({
@@ -914,8 +1064,9 @@ const getPurchaseTypeDeptDict = async () => {
     purchaseTypeDeptList.value = [];
     if (res.data && Array.isArray(res.data)) {
       purchaseTypeDeptList.value = res.data.map((item: any) => ({
+        id: item.id,
         label: item.label || item.dictLabel || item.name,
-        value: item.value || item.dictValue || item.code
+        value: item.id || item.dictValue || item.code
       }));
     }
   } catch (err) {
@@ -1075,6 +1226,27 @@ const handleTempStore = async () => {
   }
 };
 
+// 设置品目编码回显路径
+const setCategoryCodePath = () => {
+  if (dataForm.categoryCode && categoryTreeData.value.length > 0) {
+    const path = findCategoryPath(categoryTreeData.value, dataForm.categoryCode);
+    if (path) {
+      categoryCodePath.value = path;
+    } else {
+      categoryCodePath.value = [];
+    }
+  } else {
+    categoryCodePath.value = [];
+  }
+};
+
+// 监听 categoryTreeData 变化，设置回显路径
+watch(() => categoryTreeData.value, () => {
+  if (dataForm.categoryCode) {
+    setCategoryCodePath();
+  }
+}, { deep: true });
+
 // 初始化
 onMounted(async () => {
   await Promise.all([
@@ -1086,6 +1258,10 @@ onMounted(async () => {
     getPurchaseModeSchoolDict(),
     getPurchaseTypeUnionDict(),
   ]);
+  // 如果有 categoryCode，设置回显路径
+  if (dataForm.categoryCode) {
+    setCategoryCodePath();
+  }
 });
 </script>
 
diff --git a/src/views/finance/purchasingrequisition/form.vue b/src/views/finance/purchasingrequisition/form.vue
index 3055e13..c9937a6 100644
--- a/src/views/finance/purchasingrequisition/form.vue
+++ b/src/views/finance/purchasingrequisition/form.vue
@@ -109,16 +109,17 @@
           <el-row :gutter="24">
             <el-col :span="24" class="mb20">
               <el-form-item label="品目编码" prop="categoryCode">
-                <el-tree-select
-                  v-model="dataForm.categoryCode"
-                  :data="categoryTreeData"
-                  :props="{ value: 'code', label: 'name', children: 'children' }"
+                <el-cascader
+                  v-model="categoryCodePath"
+                  :options="categoryTreeData"
+                  :props="{ value: 'code', label: 'name', children: 'children', checkStrictly: true }"
                   placeholder="请选择品目编码（需要显示所有的层级）"
                   clearable
-                  check-strictly
-                  :render-after-expand="false"
+                  filterable
+                  :show-all-levels="true"
                   :disabled="isView"
-                  style="width: 100%" />
+                  style="width: 100%"
+                  @change="handleCategoryChange" />
               </el-form-item>
             </el-col>
           </el-row>
@@ -638,6 +639,7 @@ const dataForm = reactive({
   servicePublicSelectSchool: '',
 });
 const categoryTreeData = ref<any[]>([]);
+const categoryCodePath = ref<string[]>([]); // 级联选择器的路径数组
 const selectedCategory = ref<any>(null);
 const fundSourceList = ref<any[]>([]);
 const isCentralizedList = ref<any[]>([]);
@@ -667,6 +669,45 @@ const stepTwoTitle = computed(() => {
   return isDeptPurchase.value ? '部门自行采购' : '学校统一采购';
 });
 
+// 根据 code 查找完整路径（用于回显）
+const findCategoryPath = (data: any[], targetCode: string, path: string[] = []): string[] | null => {
+  for (const item of data) {
+    const currentPath = [...path, item.code];
+    if (item.code === targetCode) {
+      return currentPath;
+    }
+    if (item.children && item.children.length > 0) {
+      const found = findCategoryPath(item.children, targetCode, currentPath);
+      if (found) return found;
+    }
+  }
+  return null;
+};
+
+// 级联选择器变化处理
+const handleCategoryChange = (value: string[]) => {
+  if (value && value.length > 0) {
+    // 取最后一个值作为选中的 code
+    dataForm.categoryCode = value[value.length - 1];
+  } else {
+    dataForm.categoryCode = '';
+  }
+};
+
+// 设置品目编码回显路径
+const setCategoryCodePath = () => {
+  if (dataForm.categoryCode && categoryTreeData.value.length > 0) {
+    const path = findCategoryPath(categoryTreeData.value, dataForm.categoryCode);
+    if (path) {
+      categoryCodePath.value = path;
+    } else {
+      categoryCodePath.value = [];
+    }
+  } else {
+    categoryCodePath.value = [];
+  }
+};
+
 // 从品目编码中获取项目类型和属性
 const getCategoryInfo = () => {
   if (!dataForm.categoryCode || categoryTreeData.value.length === 0) {
@@ -848,6 +889,7 @@ const openDialog = async (type: 'add' | 'edit' | 'view', rowData?: any) => {
   currentStep.value = 0;
   
   // 重置表单
+  categoryCodePath.value = []; // 重置级联选择器路径
   Object.assign(dataForm, {
     id: '',
     projectName: '',
@@ -904,6 +946,10 @@ const openDialog = async (type: 'add' | 'edit' | 'view', rowData?: any) => {
       getObj(rowData.id)
         .then((res) => {
           Object.assign(dataForm, res.data || {});
+          // 设置品目编码回显路径
+          if (dataForm.categoryCode) {
+            setCategoryCodePath();
+          }
           if (type === 'edit' || type === 'view') {
             currentStep.value = 1;
           }
@@ -914,6 +960,9 @@ const openDialog = async (type: 'add' | 'edit' | 'view', rowData?: any) => {
         .finally(() => {
           loading.value = false;
         });
+    } else {
+      // 新增时重置路径
+      categoryCodePath.value = [];
     }
   });
 };
@@ -1002,7 +1051,7 @@ const getIsCentralizedDict = async () => {
 // 获取是否特殊情况字典
 const getIsSpecialDict = async () => {
   try {
-    const res = await getDicts('PURCHASE_IS_SPECIAL');
+    const res = await getDicts('PURCHASE_IS_SPEC');
     isSpecialList.value = [];
     if (res.data && Array.isArray(res.data)) {
       isSpecialList.value = res.data.map((item: any) => ({
@@ -1202,6 +1251,13 @@ const handleTempStore = async () => {
   }
 };
 
+// 监听 categoryTreeData 变化，设置回显路径
+watch(() => categoryTreeData.value, () => {
+  if (dataForm.categoryCode) {
+    setCategoryCodePath();
+  }
+}, { deep: true });
+
 // 暴露变量
 defineExpose({
   openDialog,