diff --git a/src/api/oa/erp/projectPurchase/types.ts b/src/api/oa/erp/projectPurchase/types.ts
index 691f836..2bd6669 100644
--- a/src/api/oa/erp/projectPurchase/types.ts
+++ b/src/api/oa/erp/projectPurchase/types.ts
@@ -157,6 +157,11 @@ export interface ProjectPurchaseForm extends BaseEntity {
    */
   deputyId?: string | number;
 
+  /**
+   * 部门ID
+   */
+  deptId?: string | number;
+
   /**
    * 提报人
    */
diff --git a/src/api/oa/erp/projectPurchaseMaterial/types.ts b/src/api/oa/erp/projectPurchaseMaterial/types.ts
index 076d514..7d82ca9 100644
--- a/src/api/oa/erp/projectPurchaseMaterial/types.ts
+++ b/src/api/oa/erp/projectPurchaseMaterial/types.ts
@@ -148,6 +148,21 @@ export interface ProjectPurchaseMaterialForm extends BaseEntity {
    */
   relationMaterialId?: string | number;
 
+  /**
+   * 关联物料编号
+   */
+  relationMaterialCode?: string;
+
+  /**
+   * 关联物料名称
+   */
+  relationMaterialName?: string;
+
+  /**
+   * 采购物料名称（来源）
+   */
+  purchaseMaterialName?: string;
+
   /**
    * 采购物料编码
    */
diff --git a/src/views/oa/erp/projectPurchase/edit.vue b/src/views/oa/erp/projectPurchase/edit.vue
index 15aff64..4abca3e 100644
--- a/src/views/oa/erp/projectPurchase/edit.vue
+++ b/src/views/oa/erp/projectPurchase/edit.vue
@@ -12,14 +12,16 @@
       :mode="false"
     />
 
-    <el-card shadow="never" class="mb-4" >
+    <el-card shadow="never" class="mb-4">
       <el-form ref="projectPurchaseFormRef" :model="form" :rules="rules" label-width="120px" :disabled="isReadOnly">
         <el-row :gutter="20">
           <el-col :span="12">
             <el-form-item label="项目号" prop="projectCode">
               <el-input v-model="form.projectCode" placeholder="请选择项目" readonly>
-                <template #append>
-                  <el-button icon="Search" @click="openProjectSelect" :disabled="isReadOnly">选择</el-button>
+                <template #suffix>
+                  <el-icon style="cursor: pointer" @click="openProjectSelect" :disabled="isReadOnly">
+                    <Search />
+                  </el-icon>
                 </template>
               </el-input>
             </el-form-item>
@@ -100,7 +102,7 @@
       </el-form>
     </el-card>
 
-    <el-card shadow="never" >
+    <el-card shadow="never">
       <template #header>
         <div class="table-header standard">
           <span class="title-dot standard-dot"></span>
@@ -115,7 +117,7 @@
         </el-table-column>
         <el-table-column label="关联物料编号" prop="relationMaterialCode" min-width="140" show-overflow-tooltip align="center" />
         <el-table-column label="关联物料名称" prop="relationMaterialName" min-width="160" show-overflow-tooltip align="center" />
-        <el-table-column label="采购物料名称"  prop="materialName" min-width="160" show-overflow-tooltip align="center" />
+        <el-table-column label="采购物料名称" prop="materialName" min-width="160" show-overflow-tooltip align="center" />
         <el-table-column label="规格参数" prop="specificationDescription" min-width="160" show-overflow-tooltip align="center" />
         <el-table-column label="计划标识" prop="purchasePlanFlag" width="100" align="center">
           <template #default="scope">
@@ -130,7 +132,7 @@
           </template>
         </el-table-column>
         <el-table-column label="备注" prop="remark" min-width="160" show-overflow-tooltip align="center" />
-        <el-table-column label="操作" fixed="right" width="150" align="center" v-if="!isReadOnly">
+        <el-table-column label="操作" fixed="right" width="150" align="center" v-if="canEditMaterial">
           <template #default="scope">
             <el-button link type="warning" @click="splitMaterial(scope.row)">拆分</el-button>
             <el-button link type="primary" @click="handleEditMaterial(scope.row)">编辑</el-button>
@@ -140,7 +142,7 @@
       </el-table>
     </el-card>
 
-    <el-card shadow="never" >
+    <el-card shadow="never">
       <template #header>
         <div class="table-header non-standard">
           <span class="title-dot non-standard-dot"></span>
@@ -173,7 +175,7 @@
           </template>
         </el-table-column>
         <el-table-column label="备注" prop="remark" min-width="160" show-overflow-tooltip align="center" />
-        <el-table-column label="操作" fixed="right" width="150" align="center" v-if="!isReadOnly">
+        <el-table-column label="操作" fixed="right" width="150" align="center" v-if="canEditMaterial">
           <template #default="scope">
             <el-button link type="warning" @click="splitMaterial(scope.row)">拆分</el-button>
             <el-button link type="primary" @click="handleEditMaterial(scope.row)">编辑</el-button>
@@ -193,21 +195,21 @@
               </el-radio-group>
             </el-form-item>
           </el-col>
-         <el-col v-if="materialForm.materialFlag === '1'" :span="12">
-           <el-form-item label="关联物料编码">
-             <el-input v-model="materialForm.relationMaterialCode" disabled />
-           </el-form-item>
-         </el-col>
-         <el-col v-if="materialForm.materialFlag === '1'" :span="12">
-           <el-form-item label="关联物料名称">
-             <el-input v-model="materialForm.relationMaterialName" disabled />
-           </el-form-item>
-         </el-col>
-         <el-col v-if="materialForm.materialFlag === '2'" :span="12">
-           <el-form-item label="关联物料名称">
-             <el-input v-model="materialForm.relationMaterialName" disabled />
-           </el-form-item>
-         </el-col>
+          <el-col v-if="materialForm.materialFlag === '1'" :span="12">
+            <el-form-item label="关联物料编码">
+              <el-input v-model="materialForm.relationMaterialCode" disabled />
+            </el-form-item>
+          </el-col>
+          <el-col v-if="materialForm.materialFlag === '1'" :span="12">
+            <el-form-item label="关联物料名称">
+              <el-input v-model="materialForm.relationMaterialName" disabled />
+            </el-form-item>
+          </el-col>
+          <el-col v-if="materialForm.materialFlag === '2'" :span="12">
+            <el-form-item label="关联物料名称">
+              <el-input v-model="materialForm.relationMaterialName" disabled />
+            </el-form-item>
+          </el-col>
           <el-col v-if="materialForm.materialFlag === '1'" :span="12">
             <el-form-item label="采购物料编码" prop="materialCode">
               <el-input v-model="materialForm.materialCode" placeholder="请输入采购物料编码" />
@@ -249,23 +251,12 @@
           </el-col>
           <el-col :span="12">
             <el-form-item label="本次采购数量" prop="purchaseAmount">
-              <el-input-number
-                v-model="materialForm.purchaseAmount"
-                :min="0"
-                class="w-full"
-                placeholder="请输入数量"
-                :precision="2"
-              />
+              <el-input-number v-model="materialForm.purchaseAmount" :min="0" class="w-full" placeholder="请输入数量" :precision="2" />
             </el-form-item>
           </el-col>
           <el-col :span="12">
             <el-form-item label="需求到货时间" prop="arrivalTime">
-              <el-date-picker
-                v-model="materialForm.arrivalTime"
-                type="date"
-                value-format="YYYY-MM-DD HH:mm:ss"
-                placeholder="请选择需求到货时间"
-              />
+              <el-date-picker v-model="materialForm.arrivalTime" type="date" value-format="YYYY-MM-DD HH:mm:ss" placeholder="请选择需求到货时间" />
             </el-form-item>
           </el-col>
           <el-col :span="24">
@@ -275,7 +266,7 @@
           </el-col>
           <el-col :span="24">
             <el-form-item label="备注" prop="remark">
-              <el-input v-model="materialForm.remark" type="textarea"  placeholder="请输入备注" />
+              <el-input v-model="materialForm.remark" type="textarea" placeholder="请输入备注" />
             </el-form-item>
           </el-col>
         </el-row>
@@ -299,7 +290,13 @@ import { computed, reactive, ref, watch, getCurrentInstance, toRefs, onMounted,
 import type { ComponentInternalInstance } from 'vue';
 import { useRoute, useRouter } from 'vue-router';
 import type { FormInstance } from 'element-plus';
-import { addProjectPurchase, getProjectPurchase, updateProjectPurchase, projectPurchaseSubmitAndFlowStart, getProjectMaterialsByProjectId } from '@/api/oa/erp/projectPurchase';
+import {
+  addProjectPurchase,
+  getProjectPurchase,
+  updateProjectPurchase,
+  projectPurchaseSubmitAndFlowStart,
+  getProjectMaterialsByProjectId
+} from '@/api/oa/erp/projectPurchase';
 import type { ProjectPurchaseForm } from '@/api/oa/erp/projectPurchase/types';
 import { getErpProjectPurchaseMaterialList } from '@/api/oa/erp/projectPurchaseMaterial';
 import type { ProjectPurchaseMaterialVO, ProjectPurchaseMaterialForm } from '@/api/oa/erp/projectPurchaseMaterial/types';
@@ -313,6 +310,7 @@ import { listUser } from '@/api/system/user';
 import type { UserVO, UserQuery } from '@/api/system/user/types';
 import { useUserStore } from '@/store/modules/user';
 import { getBaseUnitInfoList } from '@/api/oa/base/unitInfo';
+import { getInfo } from '@/api/login';
 
 const { proxy } = getCurrentInstance() as ComponentInternalInstance;
 const router = useRouter();
@@ -327,6 +325,10 @@ const routeParams = reactive<Record<string, any>>({});
 const pageType = ref<string>((route.query.type as string) || 'add');
 const isReadOnly = computed(() => pageType.value === 'view' || pageType.value === 'approval');
 
+const userRoles = ref<string[]>([]);
+const hasCgRole = computed(() => userRoles.value?.some((role) => role === 'CGJL'));
+const canEditMaterial = computed(() => !isReadOnly.value || hasCgRole.value);
+
 const pageLoading = ref(false);
 const buttonLoading = ref(false);
 const projectPurchaseFormRef = ref<FormInstance>();
@@ -344,6 +346,7 @@ const initFormData: ProjectPurchaseForm & { projectName?: string } = {
   managerId: undefined,
   chargeId: undefined,
   deputyId: undefined,
+  deptId: undefined,
   reporterId: undefined,
   consigneeUser: undefined,
   consigneeAddress: undefined,
@@ -367,10 +370,8 @@ const rules = {
 
 const materialList = ref<ProjectPurchaseMaterialVO[]>([]);
 const materialLoading = ref(false);
-const disableMaterialActions = computed(() => isReadOnly.value || materialLoading.value);
 
 // 标准物料列表（materialFlag 为 '1'）
-// 标准物料（materialFlag = 1）
 const standardMaterialList = computed(() => {
   return materialList.value.filter((item) => item.materialFlag === '1');
 });
@@ -380,7 +381,6 @@ const nonStandardMaterialList = computed(() => {
   return materialList.value.filter((item) => item.materialFlag === '2');
 });
 
-
 const loadProjectMaterialsFromSource = async (projectId?: string | number, spareFlag?: string) => {
   if (!projectId || !spareFlag) {
     return;
@@ -435,6 +435,7 @@ const materialDialog = reactive({
 });
 
 const materialFormRef = ref<FormInstance>();
+const editingMaterialIndex = ref<number>(-1);
 const initMaterialFormData: ProjectPurchaseMaterialForm = {
   purchaseMaterialId: undefined,
   projectPurchaseId: undefined,
@@ -484,12 +485,13 @@ const resetForm = () => {
  */
 const resetMaterialForm = () => {
   Object.assign(materialForm.value, initMaterialFormData);
+  editingMaterialIndex.value = -1;
 };
 
 /**
  * 根据项目采购ID加载详情
  */
-const loadDetail = async (projectPurchaseId: string | number) => {
+const loadDetail = async (projectPurchaseId?: string | number) => {
   if (!projectPurchaseId) {
     resetForm();
     materialList.value = [];
@@ -535,41 +537,38 @@ const loadMaterials = async () => {
 
 /**
  * 提交主表单
- * @param status 提交状态（draft or submit）
  */
-const submitForm = async (status: string, mode?: boolean) => {
+const buildProjectPurchasePayload = () => {
   if (!projectPurchaseFormRef.value) return;
-  try {
-    await projectPurchaseFormRef.value.validate();
-  } catch (error) {
-    return;
-  }
+  const normalizedMaterials: ProjectPurchaseMaterialForm[] = materialList.value.map((item) => {
+    const payloadItem: ProjectPurchaseMaterialForm = {
+      ...item,
+      projectPurchaseId: form.value.projectPurchaseId
+    };
+    payloadItem.purchaseMaterialId = undefined;
+    return payloadItem;
+  });
+  return {
+    ...form.value,
+    purchaseMaterialList: normalizedMaterials
+  } as ProjectPurchaseForm & {
+    projectName?: string;
+    purchaseMaterialList?: ProjectPurchaseMaterialForm[];
+  };
+};
 
+const submitForm = async (status: string, mode?: boolean) => {
+  await projectPurchaseFormRef.value.validate();
   buttonLoading.value = true;
   try {
-    const normalizedMaterials: ProjectPurchaseMaterialForm[] = materialList.value.map((item) => {
-      const payloadItem: ProjectPurchaseMaterialForm = {
-        ...item,
-        projectPurchaseId: form.value.projectPurchaseId
-      };
-      if (typeof payloadItem.purchaseMaterialId === 'string') {
-        payloadItem.purchaseMaterialId = undefined;
-      }
-      return payloadItem;
-    });
-    const payload: ProjectPurchaseForm & {
-      projectName?: string;
-      purchaseMaterialList?: ProjectPurchaseMaterialForm[];
-    } = {
-      ...form.value,
-      purchaseMaterialList: normalizedMaterials
-    };
+    const payload = buildProjectPurchasePayload();
     if (status !== 'draft') {
       payload.flowCode = FlowCodeEnum.PROJECT_PURCHASE_CODE;
       payload.variables = {
         projectPurchaseId: payload.projectPurchaseId,
         projectCode: payload.projectCode,
-        projectName: payload.projectName
+        projectName: payload.projectName,
+        deptId: form.value.deptId
       };
       payload.bizExt = {
         businessTitle: '项目采购审批',
@@ -613,11 +612,14 @@ const submitForm = async (status: string, mode?: boolean) => {
  * 编辑物料
  */
 const handleEditMaterial = (row: ProjectPurchaseMaterialVO) => {
-  if (isReadOnly.value) {
+  if (!canEditMaterial.value) {
     return;
   }
   resetMaterialForm();
   Object.assign(materialForm.value, row);
+  editingMaterialIndex.value = materialList.value.findIndex(
+    (item) => item === row || (!!row.purchaseMaterialId && item.purchaseMaterialId === row.purchaseMaterialId)
+  );
   materialDialog.title = '编辑物料';
   materialDialog.visible = true;
 };
@@ -626,7 +628,7 @@ const handleEditMaterial = (row: ProjectPurchaseMaterialVO) => {
  * 提交物料表单（仅操作本地列表）
  */
 const submitMaterialForm = () => {
-  if (isReadOnly.value) {
+  if (!canEditMaterial.value) {
     return;
   }
   materialFormRef.value?.validate((valid: boolean) => {
@@ -637,12 +639,15 @@ const submitMaterialForm = () => {
       if (index !== -1) {
         Object.assign(materialList.value[index], materialForm.value);
       }
+    } else if (editingMaterialIndex.value !== -1) {
+      Object.assign(materialList.value[editingMaterialIndex.value], materialForm.value);
     } else {
       // 新增：添加到列表
       materialList.value.push({ ...materialForm.value } as ProjectPurchaseMaterialVO);
     }
     proxy?.$modal.msgSuccess('操作成功');
     materialDialog.visible = false;
+    editingMaterialIndex.value = -1;
   });
 };
 
@@ -650,7 +655,7 @@ const submitMaterialForm = () => {
  * 删除物料（仅操作本地列表）
  */
 const handleDeleteMaterial = async (row: ProjectPurchaseMaterialVO) => {
-  if (isReadOnly.value) {
+  if (!canEditMaterial.value) {
     return;
   }
   await proxy?.$modal.confirm(`是否确认删除物料"${row.materialName}"？`);
@@ -667,7 +672,7 @@ const handleDeleteMaterial = async (row: ProjectPurchaseMaterialVO) => {
  * 拆分物料为计划外
  */
 const splitMaterial = (row: ProjectPurchaseMaterialVO) => {
-  if (isReadOnly.value) {
+  if (!canEditMaterial.value) {
     return;
   }
   const newItem: ProjectPurchaseMaterialVO = {
@@ -716,6 +721,14 @@ const handleApprovalRecord = () => {
  * 提交审批后的回调
  */
 const submitCallback = async () => {
+  if (hasCgRole.value) {
+    await projectPurchaseFormRef.value?.validate();
+    const payload = buildProjectPurchasePayload();
+    if (payload?.projectPurchaseId) {
+      await updateProjectPurchase(payload);
+      Object.assign(form.value, payload);
+    }
+  }
   await proxy?.$tab.closePage(route);
   router.go(-1);
 };
@@ -739,6 +752,7 @@ const projectInfoSelectCallBack = (data: ProjectInfoVO[]) => {
     form.value.chargeId = project.chargeId;
     form.value.deputyId = project.deputyId;
     form.value.spareFlag = project.spareFlag;
+    form.value.deptId = project.deptId;
     loadProjectMaterialsFromSource(project.projectId as string | number, project.spareFlag);
   }
 };
@@ -758,17 +772,14 @@ onMounted(async () => {
     const type = routeParams.type as string;
     pageType.value = type || 'add';
 
-    if (id && (type === 'update' || type === 'view' || type === 'approval')) {
-      pageLoading.value = true;
-      try {
-        await loadDetail(id);
-      } finally {
-        pageLoading.value = false;
-      }
-    } else {
-      resetForm();
-      materialList.value = [];
+    try {
+      const userInfoRes = await getInfo();
+      userRoles.value = userInfoRes?.data?.roles || [];
+    } catch (error) {
+      userRoles.value = [];
     }
+    const shouldLoadDetail = !!id && (type === 'update' || type === 'view' || type === 'approval');
+    await loadDetail(shouldLoadDetail ? (id as string | number) : undefined);
   });
 });
 </script>
diff --git a/src/views/oa/erp/projectPurchase/index.vue b/src/views/oa/erp/projectPurchase/index.vue
index 91becda..0caaddb 100644
--- a/src/views/oa/erp/projectPurchase/index.vue
+++ b/src/views/oa/erp/projectPurchase/index.vue
@@ -84,10 +84,10 @@
         </el-table-column>
         <el-table-column label="操作" align="center" fixed="right" width="160" class-name="small-padding fixed-width">
           <template #default="scope">
-            <el-tooltip content="查看" placement="top">
+            <el-tooltip v-if="!canEdit(scope.row)" content="查看" placement="top">
               <el-button link type="info" icon="View" @click="handleView(scope.row)"></el-button>
             </el-tooltip>
-            <el-tooltip content="修改" placement="top">
+            <el-tooltip v-if="canEdit(scope.row)" content="修改" placement="top">
               <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['oa/erp:projectPurchase:edit']"></el-button>
             </el-tooltip>
             <el-tooltip content="删除" placement="top">
@@ -214,6 +214,10 @@ const handleAdd = () => {
   });
 };
 
+const canEdit = (row?: ProjectPurchaseVO) => {
+  return row.projectPurchaseStatus === '1';
+};
+
 const handleUpdate = (row?: ProjectPurchaseVO) => {
   const projectPurchaseId = row?.projectPurchaseId || ids.value[0];
   if (!projectPurchaseId) {
@@ -229,7 +233,7 @@ const handleUpdate = (row?: ProjectPurchaseVO) => {
 const handleView = (row: ProjectPurchaseVO) => {
   proxy?.$tab.closePage(route);
   router.push({
-    path: '/oa/erp/projectPurchase/edit',
+    path: '/purchase/projectPurchase/edit',
     query: { id: row.projectPurchaseId, type: 'view' }
   });
 };