diff --git a/src/views/budget/collection/components/BudgetSubmissionForm.vue b/src/views/budget/collection/components/BudgetSubmissionForm.vue
index 9e6d424..6d50e62 100644
--- a/src/views/budget/collection/components/BudgetSubmissionForm.vue
+++ b/src/views/budget/collection/components/BudgetSubmissionForm.vue
@@ -868,6 +868,15 @@ export default {
         if (response && !response.errcode) {
           const data = response
 
+          // 详情接口已返回牵头口径快照。查看执行科室填报时使用该快照，
+          // 避免初始树节点未携带 parent 关系导致申请信息显示为空。
+          this.parentSubmissionInfo = {
+            application_basis: data.application_basis || '',
+            application_purpose: data.application_purpose || '',
+            application_reason: data.application_reason || '',
+            project_content: data.project_content || ''
+          }
+
           // 填充表单数据 - 注意：subItemName 和 projectName 不应该从这里获取，而应该从 initFormData 中的 getPackageProjectNames 获取
           this.formData = {
             ...this.formData,
diff --git a/src/views/budget/collection/components/LeadDepartmentSummaryForm.vue b/src/views/budget/collection/components/LeadDepartmentSummaryForm.vue
index 9dba2ed..d8659c7 100644
--- a/src/views/budget/collection/components/LeadDepartmentSummaryForm.vue
+++ b/src/views/budget/collection/components/LeadDepartmentSummaryForm.vue
@@ -251,6 +251,33 @@
                 <div v-else style="word-break: break-all;">{{ scope.row.summaryCalculationBasis || '-' }}</div>
               </template>
             </el-table-column>
+
+            <el-table-column label="附件" min-width="240">
+              <template slot-scope="scope">
+                <el-upload
+                  v-if="!isViewMode"
+                  :action="uploadAction"
+                  :headers="uploadHeaders"
+                  :file-list="scope.row.files || []"
+                  :on-success="(response, file, fileList) => handleEconomicUploadSuccess(response, file, fileList, scope.row)"
+                  :on-remove="(file, fileList) => handleEconomicUploadRemove(file, fileList, scope.row)"
+                  :on-error="handleUploadError"
+                  multiple
+                  :limit="10"
+                  accept=".pdf,.doc,.docx,.xls,.xlsx,.jpg,.jpeg,.png"
+                >
+                  <el-button size="mini" type="primary" icon="el-icon-upload">上传</el-button>
+                </el-upload>
+                <div v-if="scope.row.files && scope.row.files.length" style="margin-top: 6px;">
+                  <div v-for="file in scope.row.files" :key="file.id || file.uid" style="margin-bottom: 4px;">
+                    <el-link type="primary" :href="file.url" target="_blank">
+                      <i class="el-icon-paperclip"></i>{{ file.name || file.original_name }}
+                    </el-link>
+                  </div>
+                </div>
+                <span v-else-if="isViewMode" style="color: #909399;">-</span>
+              </template>
+            </el-table-column>
           </el-table>
 
           <!-- 明细数据展示区域 -->
@@ -282,6 +309,18 @@
                       <div class="detail-basis">{{ scope.row.basis || '-' }}</div>
                     </template>
                   </el-table-column>
+                  <el-table-column label="附件" min-width="220">
+                    <template slot-scope="scope">
+                      <div v-if="scope.row.files && scope.row.files.length">
+                        <div v-for="file in scope.row.files" :key="file.id" style="margin-bottom: 4px;">
+                          <el-link type="primary" :href="file.url" target="_blank">
+                            <i class="el-icon-paperclip"></i>{{ file.name || file.original_name }}
+                          </el-link>
+                        </div>
+                      </div>
+                      <span v-else style="color: #909399;">-</span>
+                    </template>
+                  </el-table-column>
                 </el-table>
               </div>
             </el-collapse-transition>
@@ -594,6 +633,37 @@
         </el-form-item>
       </div>
 
+      <div class="form-section">
+        <div class="section-title">
+          <i class="el-icon-folder-opened"></i>
+          牵头科室汇总附件
+          <span style="margin-left: 20px; color: #666; font-size: 12px; font-weight: normal;">
+            初次汇总自动带入执行科室通用附件；删除仅移除汇总引用，不影响原始填报
+          </span>
+        </div>
+        <el-upload
+          v-if="!isViewMode"
+          :action="uploadAction"
+          :headers="uploadHeaders"
+          :file-list="formData.generalFiles"
+          :on-success="handleGeneralUploadSuccess"
+          :on-remove="handleGeneralUploadRemove"
+          :on-error="handleUploadError"
+          multiple
+          :limit="10"
+          accept=".pdf,.doc,.docx,.xls,.xlsx,.jpg,.jpeg,.png"
+        >
+          <el-button size="small" type="primary" icon="el-icon-upload">上传汇总附件</el-button>
+          <div slot="tip" class="el-upload__tip">该处仅维护通用汇总附件；分类附件请在经济分类表最后一列维护。</div>
+        </el-upload>
+        <div v-else-if="formData.generalFiles.length">
+          <div v-for="file in formData.generalFiles" :key="file.id || file.uid" style="margin-bottom: 6px;">
+            <el-link type="primary" :href="file.url" target="_blank">{{ file.name || file.original_name }}</el-link>
+          </div>
+        </div>
+        <span v-else style="color: #909399;">暂无通用汇总附件</span>
+      </div>
+
     </el-form>
 
     <!-- 临时调试信息 -->
@@ -691,7 +761,7 @@
         <budget-submission-form
           :package-data="currentDepartmentDetail"
           mode="view"
-          :show-application-info="false"
+          :show-application-info="true"
           @cancel="closeDrawerSafely"
         />
       </div>
@@ -703,6 +773,7 @@
 <script>
 import BudgetSubmissionForm from './BudgetSubmissionForm.vue'
 import { getDepartmentSubmissionsSummary, getLeadDepartmentSummary } from '@/api/budget/leadDepartment.js'
+import { getPackageDecomposition } from '@/api/budget/departmentSubmission.js'
 
 export default {
   name: 'LeadDepartmentSummaryForm',
@@ -737,12 +808,17 @@ export default {
         economicSummary: [],
         implementationSchedule: '',
         summaryPerformanceIndicators: [],
-        otherNotes: ''
+        otherNotes: '',
+        generalFiles: []
       },
       departmentDetailVisible: false,
       currentDepartmentDetail: null,
       dynamicZIndex: 3000, // 动态z-index管理
       selectedDepartmentIndicators: [], // 选中的执行科室指标
+      uploadAction: process.env.VUE_APP_UPLOAD_API || '/api/upload',
+      uploadHeaders: {
+        'Authorization': 'Bearer ' + (this.$store.state.user.token || localStorage.getItem('token') || '')
+      },
       formRules: {
         applicationBasis: [
           { required: false, message: '请填写申请依据汇总', trigger: 'blur' }
@@ -880,8 +956,11 @@ export default {
 
     async initFormData() {
       this.formData.packageId = this.packageData.id
-      this.formData.leadDepartmentName = this.packageData.lead_department ? this.packageData.lead_department.name : ''
-      this.formData.budgetYear = this.packageData.budget_year ? this.packageData.budget_year.year + '年' : ''
+      // 当前接口统一返回 department / budgetYear；保留旧字段兼容历史响应。
+      const responsibleDepartment = this.packageData.department || this.packageData.lead_department
+      const budgetYear = this.packageData.budget_year || this.packageData.budgetYear
+      this.formData.leadDepartmentName = responsibleDepartment ? responsibleDepartment.name : ''
+      this.formData.budgetYear = budgetYear ? budgetYear.year + '年' : ''
       this.formData.packageName = this.packageData.name || ''
       this.formData.totalAmount = this.packageData.allocated_amount || 0
 
@@ -898,10 +977,11 @@ export default {
     async loadDepartmentSubmissions() {
       try {
         const response = await getDepartmentSubmissionsSummary(this.formData.packageId)
+        // request 拦截器已经返回 res.data；同时保留兼容未解包响应的能力。
+        const data = response && response.success && response.data ? response.data : response
 
-        // 处理新的响应格式
-        if (response && response.success && response.data) {
-          const data = response.data
+        // 汇总接口返回 packageInfo、submissions、economicSummary。
+        if (data && data.packageInfo && Array.isArray(data.submissions)) {
 
           // 更新基本信息，也作为申请信息字段的备用数据源
           if (data.packageInfo) {
@@ -924,7 +1004,7 @@ export default {
           }
 
           // 处理执行科室填报数据
-          this.$set(this.formData, 'departmentSubmissions', (data.submission || []).map(submission => ({
+          this.$set(this.formData, 'departmentSubmissions', data.submissions.map(submission => ({
             id: submission.id,
             departmentName: submission.departmentName,
             allocatedAmount: submission.allocatedAmount,
@@ -932,9 +1012,20 @@ export default {
             submissionDate: submission.submissionDate,
             economicItems: submission.economicItems || [],
             performanceIndicators: submission.performanceIndicators || [],
-            implementationSchedule: submission.implementationSchedule || ''
+            implementationSchedule: submission.implementationSchedule || '',
+            otherNotes: submission.otherNotes || '',
+            generalFiles: submission.generalFiles || []
           })))
 
+          // 新建汇总时，先按执行科室维度自动带入原始内容，牵头科室仍可编辑为最终口径。
+          if (!this.formData.implementationSchedule) {
+            this.formData.implementationSchedule = this.buildDepartmentTextSummary('implementationSchedule')
+          }
+          if (!this.formData.otherNotes) {
+            this.formData.otherNotes = this.buildDepartmentTextSummary('otherNotes')
+          }
+          this.initializeGeneralSummaryFiles()
+
           // 检查并提示缺少绩效指标数据
           const hasAnyIndicators = this.formData.departmentSubmissions.some(sub =>
             sub.performanceIndicators && sub.performanceIndicators.length > 0
@@ -953,114 +1044,27 @@ export default {
               categoryName: item.categoryName,
               totalAmount: item.totalAmount,
               departmentCount: item.departmentCount,
-              summaryCalculationBasis: '', // 默认为空，需要用户填写
-              basisList: item.departments ? item.departments.map(dept => ({ department: dept, basis: '' })) : []
+              basisList: item.details || (item.departments || []).map(dept => ({ department: dept, basis: '' })),
+              files: this.collectEconomicFiles(item.details || []),
+              summaryCalculationBasis: this.buildEconomicCalculationBasis(item.details || [])
             })))
           } else {
             // 自动生成经济分类汇总（向后兼容）
             this.generateEconomicSummary(this.formData.departmentSubmissions)
           }
 
-        } else if (response && response.code !== 0) {
-          this.$message.error(response.msg || '获取执行科室填报数据失败')
-          this.loadMockData()
         } else {
-          // 处理老格式的响应（向后兼容）
-          this.$set(this.formData, 'departmentSubmissions', (response.submission || []).map(submission => ({
-            ...submission,
-            performanceIndicators: submission.performanceIndicators || [],
-            economicItems: submission.economicItems || [],
-            implementationSchedule: submission.implementationSchedule || ''
-          })))
-          this.formData.executeDepartmentCount = response.submission ? response.submission.length : 0
-          this.generateEconomicSummary(this.formData.departmentSubmissions)
+          throw new Error((data && data.msg) || '汇总接口返回格式不正确')
         }
 
       } catch (error) {
         console.error('获取执行科室填报数据失败:', error)
-
-        // 检查是否是404错误，提供更具体的提示
-        if (error.response && error.response.status === 404) {
-          this.$message.error('后端汇总数据接口尚未实现，请确保以下接口已配置：GET /api/admin/budget-collection-packages/{id}/department-submissions-summary')
-          this.loadMockData()
-        } else {
-          this.$message.warning('获取执行科室填报数据失败，使用模拟数据进行演示')
-          this.loadMockData()
-        }
-      }
-    },
-
-    loadMockData() {
-      // 模拟数据用于演示
-      const mockData = {
-        submission: [
-          {
-            id: 1,
-            departmentName: '内科',
-            allocatedAmount: 50.0000,
-            status: 'submitted',
-            submissionDate: '2024-01-15 10:30:00',
-            economicItems: [
-              { categoryId: 1, categoryName: '办公费', amount: 20.0000, calculationBasis: '日常办公用品采购' },
-              { categoryId: 2, categoryName: '差旅费', amount: 30.0000, calculationBasis: '学术会议出差' }
-            ],
-            implementationSchedule: '第一季度完成设备采购，第二季度开始使用...',
-            performanceIndicators: [
-              {
-                level1: '过程指标',
-                level2: '数量指标',
-                level3: '采购设备数量',
-                symbol: '>=',
-                halfYearValue: '5',
-                fullYearValue: '10',
-                unit: '台'
-              }
-            ]
-          },
-          {
-            id: 2,
-            departmentName: '外科',
-            allocatedAmount: 80.0000,
-            status: 'submitted',
-            submissionDate: '2024-01-16 14:20:00',
-            economicItems: [
-              { categoryId: 1, categoryName: '办公费', amount: 30.0000, calculationBasis: '科室办公材料' },
-              { categoryId: 3, categoryName: '设备费', amount: 50.0000, calculationBasis: '购买专业医疗设备' }
-            ],
-            implementationSchedule: '按季度分批采购和实施...',
-            performanceIndicators: [
-              {
-                level1: '效益指标',
-                level2: '质量指标',
-                level3: '医疗服务质量提升率',
-                symbol: '>=',
-                halfYearValue: '10',
-                fullYearValue: '20',
-                unit: '%'
-              },
-              {
-                level1: '效益指标',
-                level2: '经济效益指标',
-                level3: '成本节约金额',
-                symbol: '>=',
-                halfYearValue: '5',
-                fullYearValue: '10',
-                unit: '万元'
-              }
-            ]
-          }
-        ]
-      }
-
-      this.$set(this.formData, 'departmentSubmissions', mockData.submission)
-      this.formData.executeDepartmentCount = mockData.submission.length
-
-      // 设置模拟的实施进度安排（用于演示）
-      if (!this.formData.implementationSchedule) {
-        this.formData.implementationSchedule = '第一季度完成设备采购，第二季度开始使用，第三季度进行中期评估，第四季度完成年度总结。'
+        // 汇总页属于正式业务页面，接口失败时绝不能展示模拟数据。
+        this.$set(this.formData, 'departmentSubmissions', [])
+        this.$set(this.formData, 'economicSummary', [])
+        this.formData.executeDepartmentCount = 0
+        this.$message.error(error.message || '获取执行科室填报数据失败')
       }
-
-      this.generateEconomicSummary(mockData.submission)
     },
 
     generateEconomicSummary(submissions) {
@@ -1081,26 +1085,35 @@ export default {
               if (existingDept) {
                 existingDept.amount += amount
                 existingDept.basis = item.calculationBasis // 更新测算依据
+                existingDept.files = item.files || []
               } else {
                 existing.basisList.push({
                   department: submission.departmentName,
                   amount: amount,
-                  basis: item.calculationBasis
+                  basis: item.calculationBasis,
+                  files: item.files || []
                 })
                 existing.departmentCount += 1
               }
+                existing.summaryCalculationBasis = this.buildEconomicCalculationBasis(existing.basisList)
+                existing.files = this.collectEconomicFiles(existing.basisList)
             } else {
               economicMap.set(key, {
                 categoryId: item.categoryId,
                 categoryName: item.categoryName,
                 totalAmount: amount,
                 departmentCount: 1,
-                summaryCalculationBasis: '', // 默认为空，需要用户填写
+                summaryCalculationBasis: this.buildEconomicCalculationBasis([{
+                  department: submission.departmentName,
+                  basis: item.calculationBasis
+                }]),
+                files: item.files || [],
                 expanded: false, // 初始状态为收起
                 basisList: [{
                   department: submission.departmentName,
                   amount: amount,
-                  basis: item.calculationBasis
+                  basis: item.calculationBasis,
+                  files: item.files || []
                 }]
               })
             }
@@ -1127,9 +1140,10 @@ export default {
           applicationPurpose: data.applicationPurpose || '',
           applicationReason: data.applicationReason || '',
           projectContent: data.projectContent || '',
-          implementationSchedule: data.implementationSchedule || '',
+          implementationSchedule: data.implementationSchedule || this.formData.implementationSchedule,
           summaryPerformanceIndicators: data.summaryPerformanceIndicators || [],
-          otherNotes: data.otherNotes || ''
+          otherNotes: data.otherNotes || this.formData.otherNotes,
+          generalFiles: this.resolveGeneralFiles(data.generalFiles, data.status)
         }
 
         console.log('使用lead_submission中的数据:', this.formData)
@@ -1141,6 +1155,7 @@ export default {
             const economicItem = this.formData.economicSummary.find(item => item.categoryId === savedItem.categoryId)
             if (economicItem) {
               this.$set(economicItem, 'summaryCalculationBasis', savedItem.summaryCalculationBasis || '')
+              if (savedItem.files) this.$set(economicItem, 'files', savedItem.files)
             }
           })
         }
@@ -1149,9 +1164,9 @@ export default {
         if (this.mode === 'edit' || this.mode === 'view') {
           try {
             const response = await getLeadDepartmentSummary(this.formData.packageId)
+            const apiData = response && response.success && response.data ? response.data : response
 
-            if (response && response.success && response.data) {
-              const apiData = response.data
+            if (apiData && apiData.id) {
 
               // 补充经济分类汇总数据（如果lead_submission中没有完整数据）
               if (apiData.economicSummary && apiData.economicSummary.length > 0) {
@@ -1161,6 +1176,9 @@ export default {
                     // 只在没有数据时补充
                     this.$set(economicItem, 'summaryCalculationBasis', savedItem.summaryCalculationBasis || '')
                   }
+                  if (economicItem && savedItem.files) {
+                    this.$set(economicItem, 'files', savedItem.files)
+                  }
                 })
               }
 
@@ -1168,6 +1186,8 @@ export default {
               if (apiData.summaryPerformanceIndicators && (!data.summaryPerformanceIndicators || data.summaryPerformanceIndicators.length === 0)) {
                 this.formData.summaryPerformanceIndicators = apiData.summaryPerformanceIndicators
               }
+              this.formData.generalFiles = this.resolveGeneralFiles(apiData.generalFiles, apiData.status)
+
             }
           } catch (error) {
             console.warn('获取详细汇总数据失败，使用lead_submission中的数据:', error)
@@ -1180,10 +1200,9 @@ export default {
       // 如果没有传递的数据，回退到原来的API调用方式
       try {
         const response = await getLeadDepartmentSummary(this.formData.packageId)
+        const data = response && response.success && response.data ? response.data : response
 
-        // 处理新的响应格式
-        if (response && response.success && response.data) {
-          const data = response.data
+        if (data && data.id) {
 
           // 填充表单数据
           this.formData = {
@@ -1193,9 +1212,10 @@ export default {
             applicationPurpose: data.applicationPurpose || data.application_purpose || '',
             applicationReason: data.applicationReason || data.application_reason || '',
             projectContent: data.projectContent || data.project_content || '',
-            implementationSchedule: data.implementationSchedule || data.implementation_schedule || '',
+            implementationSchedule: data.implementationSchedule || data.implementation_schedule || this.formData.implementationSchedule,
             summaryPerformanceIndicators: data.summaryPerformanceIndicators || data.summary_performance_indicators || [],
-            otherNotes: data.otherNotes || data.other_notes || ''
+            otherNotes: data.otherNotes || data.other_notes || this.formData.otherNotes,
+            generalFiles: this.resolveGeneralFiles(data.generalFiles || data.general_files, data.status)
           }
 
           console.log('从API获取的数据:', this.formData)
@@ -1207,6 +1227,7 @@ export default {
               const economicItem = this.formData.economicSummary.find(item => item.categoryId === savedItem.categoryId)
               if (economicItem) {
                 this.$set(economicItem, 'summaryCalculationBasis', savedItem.summaryCalculationBasis || '')
+                if (savedItem.files) this.$set(economicItem, 'files', savedItem.files)
               }
             })
           } else if (data.economic_summary && data.economic_summary.length > 0) {
@@ -1215,39 +1236,14 @@ export default {
               const economicItem = this.formData.economicSummary.find(item => item.categoryId === savedItem.categoryId)
               if (economicItem) {
                 this.$set(economicItem, 'summaryCalculationBasis', savedItem.summary_calculation_basis || '')
+                if (savedItem.files) this.$set(economicItem, 'files', savedItem.files)
               }
             })
           }
-        } else if (response && response.code === 0) {
-          // 处理老格式的响应（向后兼容）
-          const data = response
-
-          this.formData = {
-            ...this.formData,
-            summaryId: data.id || '', // 设置汇总填报表ID
-            applicationBasis: data.application_basis || '',
-            applicationPurpose: data.application_purpose || '',
-            applicationReason: data.application_reason || '',
-            projectContent: data.project_content || '',
-            implementationSchedule: data.implementation_schedule || '',
-            summaryPerformanceIndicators: data.summary_performance_indicators || [],
-            otherNotes: data.other_notes || ''
-          }
-
-          console.log('从API获取的汇总数据(旧格式):', this.formData)
-
-          if (data.economic_summary && data.economic_summary.length > 0) {
-            data.economic_summary.forEach(savedItem => {
-              const economicItem = this.formData.economicSummary.find(item => item.categoryId === savedItem.categoryId)
-              if (economicItem) {
-                this.$set(economicItem, 'summaryCalculationBasis', savedItem.summary_calculation_basis || '')
-              }
-            })
-          }
-        } else if (response && response.code !== 0) {
+        } else {
           // 如果是新建模式，不显示错误
           if (this.mode !== 'create') {
-            this.$message.error(response.msg || '加载汇总数据失败')
+            this.$message.error((data && data.msg) || '加载汇总数据失败')
           }
         }
       } catch (error) {
@@ -1280,17 +1276,101 @@ export default {
       }
     },
 
-    openDepartmentDrawer(departmentData) {
+    buildDepartmentTextSummary(field) {
+      return this.formData.departmentSubmissions
+        .filter(submission => submission[field] && submission[field].trim())
+        .map(submission => `【${submission.departmentName}】\n${submission[field].trim()}`)
+        .join('\n\n')
+    },
+
+    initializeGeneralSummaryFiles() {
+      const isInitialSummary = this.mode === 'create' || this.packageData.submission?.status === 'draft'
+      if (!isInitialSummary || this.formData.generalFiles.length > 0) return
+
+      const filesById = {}
+      this.formData.departmentSubmissions.forEach(submission => {
+        const generalFiles = submission.generalFiles || []
+        generalFiles.forEach(file => {
+          if (file.id) filesById[file.id] = { ...file, uid: `inherited-general-${file.id}`, fileId: file.id }
+        })
+      })
+      this.formData.generalFiles = Object.values(filesById)
+    },
+
+    resolveGeneralFiles(savedFiles, status) {
+      if (Array.isArray(savedFiles) && savedFiles.length > 0) return savedFiles
+      // 分配时预建的空草稿不是人工删除，不能覆盖初次自动汇总的通用附件。
+      if (status === 'draft' || !status) return this.formData.generalFiles
+      return []
+    },
+
+    buildEconomicCalculationBasis(details) {
+      return details
+        .filter(detail => detail.basis && detail.basis.trim())
+        .map(detail => `【${detail.department}】${detail.basis.trim()}`)
+        .join('\n')
+    },
+
+    collectEconomicFiles(details) {
+      const filesById = {}
+      details.forEach(detail => {
+        const files = detail.files || []
+        files.forEach(file => {
+          if (file.id) filesById[file.id] = file
+        })
+      })
+      return Object.values(filesById)
+    },
+
+    handleEconomicUploadSuccess(response, file, fileList, economicItem) {
+      if (!response || !response.data) {
+        this.$message.error('附件上传失败')
+        return
+      }
+
+      economicItem.files = fileList.map(item => ({
+        ...item,
+        fileId: item.response && item.response.data ? item.response.data.id : item.fileId
+      }))
+      this.$message.success('附件上传成功')
+    },
+
+    handleEconomicUploadRemove(file, fileList, economicItem) {
+      economicItem.files = fileList
+    },
+
+    handleGeneralUploadSuccess(response, file, fileList) {
+      if (!response || !response.data) {
+        this.$message.error('附件上传失败')
+        return
+      }
+      this.formData.generalFiles = fileList.map(item => ({
+        ...item,
+        fileId: item.response && item.response.data ? item.response.data.id : item.fileId
+      }))
+      this.$message.success('附件上传成功')
+    },
+
+    handleGeneralUploadRemove(file, fileList) {
+      this.formData.generalFiles = fileList
+    },
+
+    handleUploadError() {
+      this.$message.error('附件上传失败，请检查网络或文件大小')
+    },
+
+    async openDepartmentDrawer(departmentData) {
       // 直接设置抽屉层级，基于当前弹窗层级
       this.dynamicZIndex = this.getNextZIndex()
 
-      // 构造查看详情需要的数据格式
-      this.currentDepartmentDetail = {
-        id: departmentData.id,
-        department: { name: departmentData.departmentName },
-        budget_year: this.packageData.budget_year,
-        allocated_amount: departmentData.allocatedAmount,
-        name: this.formData.packageName
+      try {
+        // 不再只传分配金额：读取该小包的完整执行科室填报，供只读表单展示。
+        const detail = await getPackageDecomposition(departmentData.id)
+        this.currentDepartmentDetail = detail
+      } catch (error) {
+        console.error('获取执行科室填报详情失败:', error)
+        this.$message.error('获取执行科室填报详情失败')
+        return
       }
 
       // 打开抽屉
@@ -1577,11 +1657,13 @@ export default {
           categoryId: item.categoryId,
           totalAmount: item.totalAmount,
           departmentCount: item.departmentCount,
-          summaryCalculationBasis: item.summaryCalculationBasis || ''
+          summaryCalculationBasis: item.summaryCalculationBasis || '',
+          fileIds: (item.files || []).map(file => file.fileId || file.id).filter(Boolean)
         })),
         implementationSchedule: this.formData.implementationSchedule.trim(),
         summaryPerformanceIndicators: this.formData.summaryPerformanceIndicators || [],
-        otherNotes: this.formData.otherNotes || ''
+        otherNotes: this.formData.otherNotes || '',
+        generalFileIds: (this.formData.generalFiles || []).map(file => file.fileId || file.id).filter(Boolean)
       }
 
       // 如果是编辑模式，添加汇总表ID（如果存在）
diff --git a/src/views/budget/collection/components/ProjectDetailsView.vue b/src/views/budget/collection/components/ProjectDetailsView.vue
index a55ad38..292c0d7 100644
--- a/src/views/budget/collection/components/ProjectDetailsView.vue
+++ b/src/views/budget/collection/components/ProjectDetailsView.vue
@@ -16,13 +16,13 @@
         <el-col :span="8">
           <div class="info-item">
             <label>预算年度：</label>
-            <span>{{ packageData.budget_year ? packageData.budget_year.year + '年' : '-' }}</span>
+            <span>{{ (packageData.budget_year || packageData.budgetYear) ? (packageData.budget_year || packageData.budgetYear).year + '年' : '-' }}</span>
           </div>
         </el-col>
         <el-col :span="8">
           <div class="info-item">
-            <label>牵头科室：</label>
-            <span>{{ packageData.lead_department ? packageData.lead_department.name : '-' }}</span>
+            <label>负责科室：</label>
+            <span>{{ (packageData.department || packageData.lead_department) ? (packageData.department || packageData.lead_department).name : '-' }}</span>
           </div>
         </el-col>
       </el-row>
@@ -311,4 +311,4 @@ export default {
 .form-actions .el-button {
   margin-left: 10px;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/src/views/budget/collection/leadDepartment.vue b/src/views/budget/collection/leadDepartment.vue
index 39866cc..407fe7d 100644
--- a/src/views/budget/collection/leadDepartment.vue
+++ b/src/views/budget/collection/leadDepartment.vue
@@ -224,7 +224,7 @@
       top="5vh"
       custom-class="summary-submission-dialog"
     >
-      <summary-submit-form
+      <lead-department-summary-form
         v-if="summarySubmitVisible"
         :package-data="currentSummaryPackage"
         :mode="summaryMode"
@@ -256,11 +256,15 @@
 <script>
 import LxHeader from '@/components/LxHeader/index.vue'
 import { getBudgetCollectionYearOptions } from '@/api/budget/budgetCollectionYear.js'
-import { getLeadDepartmentPackages, splitBudgetPackage, submitSummary } from '@/api/budget/leadDepartment.js'
-import { submitBudgetDecomposition } from '@/api/budget/departmentSubmission.js'
+import {
+  getLeadDepartmentPackages,
+  splitBudgetPackage,
+  submitLeadDepartmentSummary,
+  updateLeadDepartmentSummary
+} from '@/api/budget/leadDepartment.js'
 import SplitPackageForm from './components/SplitPackageForm.vue'
 import ProjectDetailsView from './components/ProjectDetailsView.vue'
-import SummarySubmitForm from './components/SummarySubmitForm.vue'
+import LeadDepartmentSummaryForm from './components/LeadDepartmentSummaryForm.vue'
 import BudgetSubmissionForm from './components/BudgetSubmissionForm.vue'
 
 export default {
@@ -269,7 +273,7 @@ export default {
     LxHeader,
     SplitPackageForm,
     ProjectDetailsView,
-    SummarySubmitForm,
+    LeadDepartmentSummaryForm,
     BudgetSubmissionForm
   },
   data() {
@@ -494,9 +498,17 @@ export default {
     },
 
     viewProjectDetails(row) {
-      this.currentSubmissionPackage = { ...row }
-      this.submissionMode = 'view'
-      this.submissionDialogVisible = true
+      // 树表第 2 行实际对应执行科室小包（原始 level=3），应查看完整填报表，
+      // 而不是打开仅展示子包列表的中包项目详情。
+      if (row.level === 3) {
+        this.currentSubmissionPackage = { ...row }
+        this.submissionMode = 'view'
+        this.submissionDialogVisible = true
+        return
+      }
+
+      this.currentProjectDetails = { ...row }
+      this.projectDetailsVisible = true
     },
 
     openSummarySubmit(row) {
@@ -513,10 +525,12 @@ export default {
       try {
         console.log('汇总提交数据:', submissionData)
 
-        // 调用汇总提交API（复用执行科室的提交API）
-        const response = await submitBudgetDecomposition(submissionData)
+        // 牵头科室汇总必须使用专用接口，不能复用执行科室分解表接口。
+        const response = this.summaryMode === 'edit' && submissionData.summaryId
+          ? await updateLeadDepartmentSummary(submissionData.summaryId, submissionData)
+          : await submitLeadDepartmentSummary(submissionData)
 
-        if (response && response.id) {
+        if (response && (response.submission_id || response.id)) {
           this.$message.success('提交成功')
           this.summarySubmitVisible = false
           this.load() // 重新加载数据
@@ -650,11 +664,13 @@ export default {
         // 简化的节点结构，保留必要字段和application字段
         const processedNode = {
           id: node.id,
+          level: node.level,
+          year_id: node.year_id,
           name: node.name,
           parent_name: parentName, // 保存父级名称
           allocated_amount: node.allocated_amount,
           decomposed_amount: node.decomposed_amount,
-          budget_year: node.budget_year,
+          budget_year: node.budget_year || node.budgetYear,
           department: node.department,
           created_at: node.created_at,
           // 保留完整的申请信息字段（用于汇总填报）