diff --git a/src/views/asset-management/device-task/index.vue b/src/views/asset-management/device-task/index.vue
index d7f1ea5..7570767 100644
--- a/src/views/asset-management/device-task/index.vue
+++ b/src/views/asset-management/device-task/index.vue
@@ -303,7 +303,8 @@
     {
       prop: 'task_no',
       label: '任务编号',
-      width: 180
+      width: 180,
+      showOverflowTooltip: true
     },
     {
       prop: 'status',
@@ -316,7 +317,7 @@
     {
       prop: 'file_name',
       label: '文件名',
-      minWidth: 250,
+      minWidth: 180,
       showOverflowTooltip: true
     },
     {
@@ -475,11 +476,12 @@
 
   // 下载模板
   const downloadTemplate = () => {
+    // 使用 \t 前缀防止 Excel 将长数字转换为科学计数法
     const csvContent = [
       'device_no,device_name,device_model,device_type,manufacturer,max_sim_slots',
-      'DEV001,智能水表01,WM-2000,智能水表,华为,1',
-      'DEV002,GPS定位器01,GPS-3000,定位设备,小米,2',
-      'DEV003,智能燃气表01,GM-1500,智能燃气表,海尔,1'
+      '\t862639070731999,智能水表01,WM-2000,智能水表,华为,1',
+      '\t862639070750932,GPS定位器01,GPS-3000,定位设备,小米,2',
+      '\t862639070801875,智能燃气表01,GM-1500,智能燃气表,海尔,1'
     ].join('\n')
 
     const BOM = '\uFEFF'
diff --git a/src/views/asset-management/iot-card-task/index.vue b/src/views/asset-management/iot-card-task/index.vue
index b168d5b..c8150b9 100644
--- a/src/views/asset-management/iot-card-task/index.vue
+++ b/src/views/asset-management/iot-card-task/index.vue
@@ -560,11 +560,12 @@
 
   // 下载模板
   const downloadTemplate = () => {
+    // 使用 \t 前缀防止 Excel 将长数字转换为科学计数法
     const csvContent = [
       'iccid,msisdn',
-      '89860123456789012345,13800138000',
-      '89860123456789012346,13800138001',
-      '89860123456789012347,13800138002'
+      '\t89860123456789012345,\t13800138000',
+      '\t89860123456789012346,\t13800138001',
+      '\t89860123456789012347,\t13800138002'
     ].join('\n')
 
     const BOM = '\uFEFF'