diff --git a/src/api/lb-daily-user-trade-report.js b/src/api/lb-daily-user-trade-report.js
index 9c7d780..5604bc2 100644
--- a/src/api/lb-daily-user-trade-report.js
+++ b/src/api/lb-daily-user-trade-report.js
@@ -59,3 +59,15 @@ export function calculateReportSumByDateAndTenant(reportDate, tenantId) {
     }
   })
 }
+
+export function exportLbDailyUserTradeReportByDateAndTenant(reportDate, tenantId) {
+  return request({
+    url: '/lbDailyUserTradeReport/export/by-date-and-tenant',
+    method: 'get',
+    params: {
+      reportDate,
+      tenantId
+    },
+    responseType: 'blob'
+  })
+}
diff --git a/src/utils/request.js b/src/utils/request.js
index 0a30440..6748d10 100644
--- a/src/utils/request.js
+++ b/src/utils/request.js
@@ -65,6 +65,13 @@ service.interceptors.request.use(
 // response interceptor
 service.interceptors.response.use(
   response => {
+    // File download responses (blob/arraybuffer) should bypass JSON normalization.
+    // Otherwise the logic below will treat Blob as an error object and reject.
+    const rt = response?.config?.responseType
+    if (rt === 'blob' || rt === 'arraybuffer' || (typeof Blob !== 'undefined' && response?.data instanceof Blob)) {
+      return response.data
+    }
+
     const loginHeaderValues = {
       'X-Role-Name': pickValueFromSources(
         [response.headers, response.data?.data, response.data],
diff --git a/src/views/lb-business/daily-report/index.vue b/src/views/lb-business/daily-report/index.vue
index 90b6738..38a131c 100644
--- a/src/views/lb-business/daily-report/index.vue
+++ b/src/views/lb-business/daily-report/index.vue
@@ -44,6 +44,7 @@
           <el-button type="primary" icon="el-icon-plus" @click="handleAdd">新增</el-button>
           <el-button type="warning" icon="el-icon-data-analysis" :loading="reportSumLoading" @click="openReportSumDialog">汇总数据</el-button>
           <el-button type="danger" icon="el-icon-delete" :loading="deleteByDateLoading" @click="openDeleteByDateDialog">删除报表数据</el-button>
+          <el-button type="success" icon="el-icon-download" :loading="exportLoading" @click="openExportDialog">报表导出</el-button>
         </div>
         <div class="action-tip">
           说明：服务费=当日买入×0.01；差额=当日卖出−当日买入；应收应付=差额−服务费（>0 应收（当前人），<0 应付（当前人））
@@ -212,6 +213,24 @@
         <el-button type="warning" :loading="reportSumLoading" @click="submitReportSum">确定汇总</el-button>
       </div>
     </el-dialog>
+
+    <el-dialog title="报表导出" :visible.sync="exportDialogVisible" width="480px" @close="resetExportForm">
+      <el-form ref="exportFormRef" :model="exportForm" :rules="exportRules" label-width="120px">
+        <el-form-item label="报表日期" prop="reportDate">
+          <el-date-picker
+            v-model="exportForm.reportDate"
+            type="date"
+            value-format="yyyy-MM-dd"
+            placeholder="请选择要导出的报表日期"
+            style="width: 100%"
+          />
+        </el-form-item>
+      </el-form>
+      <div slot="footer" class="dialog-footer">
+        <el-button @click="exportDialogVisible = false">取消</el-button>
+        <el-button type="success" :loading="exportLoading" @click="submitExport">确定导出</el-button>
+      </div>
+    </el-dialog>
   </div>
 </template>
 
@@ -221,6 +240,7 @@ import {
   calculateReportSumByDateAndTenant,
   deleteLbDailyUserTradeReportByDateAndTenant,
   deleteLbDailyUserTradeReport,
+  exportLbDailyUserTradeReportByDateAndTenant,
   getLbDailyUserTradeReportList,
   updateLbDailyUserTradeReport
 } from '@/api/lb-daily-user-trade-report'
@@ -259,11 +279,13 @@ export default {
       submitLoading: false,
       deleteByDateLoading: false,
       reportSumLoading: false,
+      exportLoading: false,
       list: [],
       total: 0,
       dialogVisible: false,
       deleteByDateDialogVisible: false,
       reportSumDialogVisible: false,
+      exportDialogVisible: false,
       dialogTitle: '',
       isEdit: false,
       queryParams: {
@@ -303,6 +325,12 @@ export default {
       },
       reportSumRules: {
         reportDate: [{ required: true, message: '请选择报表日期', trigger: 'change' }]
+      },
+      exportForm: {
+        reportDate: getLocalTodayDateString()
+      },
+      exportRules: {
+        reportDate: [{ required: true, message: '请选择报表日期', trigger: 'change' }]
       }
     }
   },
@@ -423,6 +451,13 @@ export default {
         if (this.$refs.reportSumFormRef) this.$refs.reportSumFormRef.clearValidate()
       })
     },
+    openExportDialog() {
+      this.exportForm.reportDate = getLocalTodayDateString()
+      this.exportDialogVisible = true
+      this.$nextTick(() => {
+        if (this.$refs.exportFormRef) this.$refs.exportFormRef.clearValidate()
+      })
+    },
     submitDeleteByDate() {
       this.$refs.deleteByDateFormRef.validate((valid) => {
         if (!valid) return
@@ -479,6 +514,42 @@ export default {
         reportDate: getLocalTodayDateString()
       }
     },
+    submitExport() {
+      this.$refs.exportFormRef.validate((valid) => {
+        if (!valid) return
+        const tenantId = this.getTenantIdFromBusinessHeaders()
+        if (!tenantId) {
+          this.$message.error('未获取到租户ID，请先登录或切换到正确租户后重试')
+          return
+        }
+        this.exportLoading = true
+        exportLbDailyUserTradeReportByDateAndTenant(this.exportForm.reportDate, tenantId)
+          .then((blob) => {
+            const safeBlob = blob instanceof Blob ? blob : new Blob([blob], {
+              type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+            })
+            const url = window.URL.createObjectURL(safeBlob)
+            const link = document.createElement('a')
+            link.href = url
+            link.download = `lbDailyUserTradeReport_${this.exportForm.reportDate}_${tenantId}.xlsx`
+            document.body.appendChild(link)
+            link.click()
+            document.body.removeChild(link)
+            window.URL.revokeObjectURL(url)
+            this.$message.success('导出成功')
+            this.exportDialogVisible = false
+          })
+          .finally(() => {
+            this.exportLoading = false
+          })
+      })
+    },
+    resetExportForm() {
+      if (this.$refs.exportFormRef) this.$refs.exportFormRef.resetFields()
+      this.exportForm = {
+        reportDate: getLocalTodayDateString()
+      }
+    },
     getTenantIdFromBusinessHeaders() {
       const headers = getBusinessHeaders()
       const value = headers && headers['X-Tenant-Id']