diff --git a/src/views/modules/eam/eam_device_list.vue b/src/views/modules/eam/eam_device_list.vue
index 7b87cf5..c268d93 100644
--- a/src/views/modules/eam/eam_device_list.vue
+++ b/src/views/modules/eam/eam_device_list.vue
@@ -1127,6 +1127,7 @@
         searchData: {
           site: this.$store.state.user.site,
           userName: this.$store.state.user.name,
+          buDesc: '',
           objectID: '',
           objectDesc: '',
           locationID: '',
@@ -4112,7 +4113,7 @@
         this.searchData.page = 1
         excel.exportTable({
           url: "/pms/eamObject/getEamObjectList",
-          columnMapping:  this.columnList,//可以直接用table，不需要的列就剔除
+          columnMapping: this.getExportColumnMapping(),//可以直接用table，不需要的列就剔除
           mergeSetting: [],//需要合并的列
           params: this.searchData,
           fileName: this.exportName+".xlsx",
@@ -4122,6 +4123,59 @@
         });
       },
 
+      // 导出时判断是否是RFID BU（仅RFID追加扩展字段列）
+      isRfidBuForExport () {
+        const normalizeBu = (value) => value == null ? '' : String(value).toUpperCase()
+        const currentBuDesc = normalizeBu(this.searchData.buDesc)
+        if (currentBuDesc !== '') {
+          return currentBuDesc.indexOf('RFID') !== -1
+        }
+        if (Array.isArray(this.userBuList) && this.userBuList.length === 1) {
+          const buItem = this.userBuList[0] || {}
+          const buDesc = normalizeBu(buItem.buDesc)
+          const buNo = normalizeBu(buItem.buNo)
+          return buDesc.indexOf('RFID') !== -1 || buNo.indexOf('RFID') !== -1
+        }
+        return false
+      },
+
+      // 设备导出列：RFID在基础列后追加扩展列，其他BU保持不变
+      getExportColumnMapping () {
+        const exportColumnList = Array.isArray(this.columnList) ? [...this.columnList] : []
+        if (!this.isRfidBuForExport()) {
+          return exportColumnList
+        }
+        const rfidExtraColumnList = [
+          { columnProp: 'workshop', columnLabel: '车间' },
+          { columnProp: 'warrantyStartDate', columnLabel: '保修开始时间' },
+          { columnProp: 'warrantyEndDate', columnLabel: '保修结束时间' },
+          { columnProp: 'warrantyExpiredFlag', columnLabel: '是否已过保' },
+          { columnProp: 'voltage', columnLabel: '电压' },
+          { columnProp: 'currentA', columnLabel: '电流A' },
+          { columnProp: 'powerKw', columnLabel: '功率KW' },
+          { columnProp: 'totalSize', columnLabel: '设备总尺寸：长*宽*高（m）' },
+          { columnProp: 'splitSize', columnLabel: '设备分体尺寸：长*宽*高（m）' },
+          { columnProp: 'totalWeight', columnLabel: '设备总重量' },
+          { columnProp: 'splitModuleWeight', columnLabel: '设备分体模块重量' },
+        ]
+        const existColumnMap = exportColumnList.reduce((map, item) => {
+          if (!item) {
+            return map
+          }
+          const propKey = item.columnProp || item.property
+          if (propKey) {
+            map[propKey] = true
+          }
+          return map
+        }, {})
+        rfidExtraColumnList.forEach((column) => {
+          if (!existColumnMap[column.columnProp]) {
+            exportColumnList.push(column)
+          }
+        })
+        return exportColumnList
+      },
+
       // 导出excel
       // async createExportData () {
       //   this.searchData.limit = -1