diff --git a/src/api/mes/mesTidEpcLog.js b/src/api/mes/mesTidEpcLog.js
index 91ef496..ee765b8 100644
--- a/src/api/mes/mesTidEpcLog.js
+++ b/src/api/mes/mesTidEpcLog.js
@@ -14,10 +14,10 @@ import { createAPI } from "@/utils/httpRequest.js";
 export const searchList = data => createAPI(`/pms/mesTidEpcLog/searchList`, 'post', data)
 
 /**
- * 导出数据列表 - rqrq
+ * 导出CSV文件 - rqrq
  * @param data 查询条件
  */
-export const getExportList = data => createAPI(`/pms/mesTidEpcLog/getExportList`, 'post', data)
+export const exportCsv = data => createAPI(`/pms/mesTidEpcLog/exportCsv`, 'post', data, 'download')
 
 // ================= 导入 =================
 
diff --git a/src/utils/httpRequest.js b/src/utils/httpRequest.js
index ffd5299..c291e03 100644
--- a/src/utils/httpRequest.js
+++ b/src/utils/httpRequest.js
@@ -112,9 +112,10 @@ instance.interceptors.response.use(response => {
 })
 
 // ============================= 下载功能的请求 =============================
+// rqrq - 增加超时时间到10分钟，支持大数据量导出
 const instance2 = axios.create({
   baseURL: (process.env.NODE_ENV !== 'production' && process.env.OPEN_PROXY ? '/proxyApi/' : window.SITE_CONFIG.baseUrl),
-  timeout: 10000 * 30,
+  timeout: 1000 * 60 * 10,  // 10分钟超时 - rqrq
   withCredentials: true,
   responseType: 'blob',
   headers: {
diff --git a/src/views/modules/mes/mesTidEpcLog.vue b/src/views/modules/mes/mesTidEpcLog.vue
index 8a736f4..419c821 100644
--- a/src/views/modules/mes/mesTidEpcLog.vue
+++ b/src/views/modules/mes/mesTidEpcLog.vue
@@ -27,20 +27,16 @@
       <el-form-item :label="' '">
         <el-button type="primary" @click="getDataList()" :loading="dataListLoading">查询</el-button>
         <el-button type="primary" @click="openImportModal()">导入</el-button>
-        <download-excel
-          :fields="fields()"
-          :data="exportData"
-          type="xls"
-          :name="exportName"
-          :header="exportHeader"
-          :footer="exportFooter"
-          :fetch="createExportData"
-          :before-generate="startDownload"
-          :before-finish="finishDownload"
-          worksheet="TID_EPC日志"
-          class="el-button el-button--primary el-button--medium">
-          {{ "导出" }}
-        </download-excel>
+        <!-- 导出格式选择 - rqrq 不需要开放给用户-->
+<!--        <el-select v-model="exportType" style="width: 160px; margin-right: 5px;">-->
+<!--          <el-option label="CSV流式 (推荐)" value="csv_streaming"></el-option>-->
+<!--          <el-option label="CSV 先查后写" value="csv"></el-option>-->
+<!--          <el-option label="Excel 优化版" value="excel_optimized"></el-option>-->
+<!--          <el-option label="Excel 默认" value="excel_default"></el-option>-->
+<!--        </el-select>-->
+        <el-button type="primary" @click="exportFile()" :loading="exportLoading">
+          {{ exportLoading ? '导出中...' : '导出' }}
+        </el-button>
         <el-button type="danger" @click="deleteData()" :disabled="selectedList.length === 0">删除</el-button>
       </el-form-item>
     </el-form>
@@ -106,14 +102,14 @@
     <el-dialog title="导入TID_EPC日志" :close-on-click-modal="false" v-drag :visible.sync="importModalFlag" width="500px" @close="closeImportModal">
       <el-form :inline="true" label-position="top" :model="importData" ref="importForm">
         <el-row>
-          <el-col :span="12">
-            <el-form-item label="Site" prop="site" :rules="[{required: true, message: '请选择Site', trigger: 'change'}]">
-              <el-input v-model="importData.site" disabled style="width: 200px"></el-input>
-            </el-form-item>
-          </el-col>
+<!--          <el-col :span="12">-->
+<!--            <el-form-item label="Site" prop="site" :rules="[{required: true, message: '请选择Site', trigger: 'change'}]">-->
+<!--              <el-input v-model="importData.site" disabled style="width: 200px"></el-input>-->
+<!--            </el-form-item>-->
+<!--          </el-col>-->
           <el-col :span="12">
             <el-form-item label="BU" prop="buNo" :rules="[{required: true, message: '请选择BU', trigger: 'change'}]">
-              <el-select v-model="importData.buNo" placeholder="请选择" style="width: 200px">
+              <el-select v-model="importData.buNo" placeholder="请选择" @change="buChange" style="width: 200px">
                 <el-option
                   v-for="i in userBuList"
                   :key="i.buNo"
@@ -173,7 +169,7 @@
 </template>
 
 <script>
-  import { searchList, getExportList, importExcel, deleteData, downloadTemplate } from "@/api/mes/mesTidEpcLog.js"
+  import { searchList, exportCsv, importExcel, deleteData, downloadTemplate } from "@/api/mes/mesTidEpcLog.js"
   import { getSiteAndBuByUserName } from "@/api/eam/eam.js"
 
   export default {
@@ -185,6 +181,7 @@
         importModalFlag: false,
         importLoading: false,
         deleteLoading: false,
+        exportLoading: false,
 
         // 数据列表 - rqrq
         dataList: [],
@@ -218,11 +215,6 @@
         fileList: [],
         userBuList: [],
 
-        // 导出相关 - rqrq
-        exportData: [],
-        exportName: 'TID_EPC日志导出.xls',
-        exportHeader: '',
-        exportFooter: ''
       }
     },
 
@@ -430,51 +422,53 @@
         }).catch(() => {})
       },
 
-      // 导出相关方法 - rqrq
-      fields() {
-        return {
-          '序号': 'seqNo',
-          'EPC': 'epc',
-          'TID': 'tid',
-          '用户区': 'userArea',
-          'LockiBtis': 'lockBits',
-          '密匙': 'secretKey',
-          '写码成功': 'writeSuccess',
-          '读码成功': 'readSuccess',
-          'EPC锁定': 'epcLocked',
-          '强度/读距': 'signalStrength',
-          '扫描时间': 'scanTime',
-          '计数': 'countInfo',
-          '批次号': 'batchNo',
-          '上传人': 'uploadBy',
-          '上传时间': 'uploadTime',
-          '备注': 'remark'
-        }
-      },
-
-      startDownload() {
-        this.$message.info('正在准备导出数据...')
-      },
-
-      finishDownload() {
-        this.$message.success('导出完成')
-      },
-
-      // 创建导出数据 - rqrq
-      async createExportData() {
+      // 导出文件（支持多种格式）- rqrq
+      exportFile() {
         // 校验筛选条件 - rqrq
         if (!this.validateSearchCondition()) {
           this.$message.warning('请至少填写一个筛选条件后再导出')
-          return []
+          return
         }
 
-        const { data } = await getExportList(this.searchData)
-        if (data && data.code === 0) {
-          return data.rows || []
-        } else {
-          this.$message.error('获取导出数据失败')
-          return []
-        }
+        this.exportLoading = true
+        this.$message.success('正在准备导出，请稍候...')
+
+        // 直接传递查询条件，后端自动判断返回CSV或ZIP - rqrq
+        exportCsv(this.searchData).then((response) => {
+          // 从响应头获取Content-Type判断文件类型 - rqrq
+          const contentType = response.headers['content-type'] || ''
+          let fileExt = '.csv'
+          let blobType = 'text/csv;charset=GB18030'
+          
+          if (contentType.includes('zip')) {
+            fileExt = '.zip'
+            blobType = 'application/zip'
+          }
+
+          // 创建Blob对象 - rqrq
+          const blob = new Blob([response.data], {type: blobType})
+          // 下载文件名称 - rqrq
+          const fileName = 'TID_EPC日志导出' + this.dayjs().format('YYYYMMDDHHmmss') + fileExt
+          // a标签下载 - rqrq
+          const linkNode = document.createElement('a')
+          linkNode.download = fileName
+          linkNode.style.display = 'none'
+          linkNode.href = URL.createObjectURL(blob)
+          document.body.appendChild(linkNode)
+          linkNode.click()
+          URL.revokeObjectURL(linkNode.href)
+          document.body.removeChild(linkNode)
+          this.$message.success('导出完成')
+        }).catch(() => {
+          this.$message.error('导出失败')
+        }).finally(() => {
+          this.exportLoading = false
+        })
+      },
+
+      // BU切换事件 - rqrq
+      buChange(val) {
+        // 可在此处添加BU切换后的逻辑 - rqrq
       }
     }
   }