diff --git a/apps/web-antd/src/views/iot/device/device/detail/modules/modbus-point-form.vue b/apps/web-antd/src/views/iot/device/device/detail/modules/modbus-point-form.vue
index cce6c75f1..6f91a6973 100644
--- a/apps/web-antd/src/views/iot/device/device/detail/modules/modbus-point-form.vue
+++ b/apps/web-antd/src/views/iot/device/device/detail/modules/modbus-point-form.vue
@@ -246,10 +246,20 @@ const [Form, formApi] = useVbenForm({
         if (option && option.registerCount > 0) {
           await formApi.setFieldValue('registerCount', option.registerCount);
         }
-        // 重置字节序为第一个选项
+        // 字节序：仅在当前值为空或不属于新 rawDataType 时才重置为第一个选项；
+        // 编辑回填时 setValues 会触发本回调，无条件重置会覆盖已保存字节序
         const byteOrderOptions = getByteOrderOptions(rawDataType);
         if (byteOrderOptions.length > 0) {
-          await formApi.setFieldValue('byteOrder', byteOrderOptions[0]!.value);
+          const currentByteOrder = values.byteOrder;
+          const isCurrentValid =
+            !!currentByteOrder &&
+            byteOrderOptions.some((opt) => opt.value === currentByteOrder);
+          if (!isCurrentValid) {
+            await formApi.setFieldValue(
+              'byteOrder',
+              byteOrderOptions[0]!.value,
+            );
+          }
         }
       }
     }
diff --git a/apps/web-antd/src/views/iot/device/device/index.vue b/apps/web-antd/src/views/iot/device/device/index.vue
index 4d21ca3bf..682fcac25 100644
--- a/apps/web-antd/src/views/iot/device/device/index.vue
+++ b/apps/web-antd/src/views/iot/device/device/index.vue
@@ -9,7 +9,7 @@ import type { IotProductApi } from '#/api/iot/product/product';
 import { nextTick, onMounted, ref } from 'vue';
 import { useRoute, useRouter } from 'vue-router';
 
-import { Page, useVbenModal } from '@vben/common-ui';
+import { confirm, Page, useVbenModal } from '@vben/common-ui';
 import { DICT_TYPE } from '@vben/constants';
 import { getDictOptions } from '@vben/hooks';
 import { IconifyIcon } from '@vben/icons';
@@ -169,6 +169,7 @@ async function handleDeleteBatch() {
     message.warning('请选择要删除的设备');
     return;
   }
+  await confirm($t('ui.actionMessage.deleteBatchConfirm'));
   const hideLoading = message.loading({
     content: $t('ui.actionMessage.deletingBatch'),
     duration: 0,
diff --git a/apps/web-antd/src/views/iot/home/modules/message-trend-card.vue b/apps/web-antd/src/views/iot/home/modules/message-trend-card.vue
index 0a8a30e3c..334f14ff0 100644
--- a/apps/web-antd/src/views/iot/home/modules/message-trend-card.vue
+++ b/apps/web-antd/src/views/iot/home/modules/message-trend-card.vue
@@ -3,7 +3,7 @@ import type { Dayjs } from 'dayjs';
 
 import type { IotStatisticsApi } from '#/api/iot/statistics';
 
-import { computed, nextTick, reactive, ref } from 'vue';
+import { computed, nextTick, onMounted, reactive, ref } from 'vue';
 
 import { DICT_TYPE } from '@vben/constants';
 import { getDictOptions } from '@vben/hooks';
@@ -26,6 +26,7 @@ const loading = ref(false); // 加载状态
 const messageData = ref<IotStatisticsApi.DeviceMessageSummaryByDateRespVO[]>(
   [],
 ); // 消息趋势数据
+const isFirstMount = ref(true); // 首次挂载标记，用于跳过子组件 mount 时的默认 emit
 
 /** 时间范围（仅日期，不包含时分秒） */
 const dateRange = ref<[string, string]>([
@@ -74,6 +75,11 @@ function handleDateRangeChange(times?: [Dayjs, Dayjs]) {
   ];
   // 将选择的日期转换为带时分秒的格式（开始日期 00:00:00，结束日期 23:59:59）
   queryParams.times = formatDateRangeWithTime(dateRange.value);
+  if (isFirstMount.value) {
+    // 子组件 ShortcutDateRangePicker mount 时会 emit 一次默认日期范围，跳过 fetch；
+    // 首次请求统一由父组件 onMounted 发起，避免双请求
+    return;
+  }
   handleQuery();
 }
 
@@ -123,6 +129,13 @@ async function renderChartWhenReady() {
   initChart();
 }
 
+// 父组件挂载后统一发起首次请求；
+// 原因：子组件 ShortcutDateRangePicker 早期 emit 触发的请求落在 useEcharts isActiveRef = false 阶段，会被 renderEcharts 静默丢弃；
+// 通过 handleDateRangeChange 在 isFirstMount=true 时跳过 fetch，由这里统一发起一次，避免双请求
+onMounted(() => {
+  fetchMessageData();
+  isFirstMount.value = false;
+});
 </script>
 
 <template>
diff --git a/apps/web-antd/src/views/iot/ota/firmware/data.ts b/apps/web-antd/src/views/iot/ota/firmware/data.ts
index 02dd85b8d..24e746fd7 100644
--- a/apps/web-antd/src/views/iot/ota/firmware/data.ts
+++ b/apps/web-antd/src/views/iot/ota/firmware/data.ts
@@ -101,9 +101,9 @@ export function useFormSchema(): VbenFormSchema[] {
       component: 'FileUpload',
       componentProps: {
         maxNumber: 1,
-        accept: ['bin', 'hex', 'zip'],
+        accept: ['bin', 'zip', 'pdf'],
         maxSize: 50,
-        helpText: '支持上传 .bin、.hex、.zip 格式的固件文件，最大 50MB',
+        helpText: '支持上传 .bin、.zip、.pdf 格式的固件文件，最大 50MB',
       },
       rules: 'required',
       dependencies: {
diff --git a/apps/web-antd/src/views/iot/product/product/data.ts b/apps/web-antd/src/views/iot/product/product/data.ts
index 4c8e797e6..313d2e0b6 100644
--- a/apps/web-antd/src/views/iot/product/product/data.ts
+++ b/apps/web-antd/src/views/iot/product/product/data.ts
@@ -131,7 +131,7 @@ export function useBasicFormSchema(
       // 网关子设备走网关联网，不需要联网方式
       dependencies: {
         triggerFields: ['deviceType'],
-        show: (values) => values.deviceType !== DeviceTypeEnum.GATEWAY,
+        show: (values) => values.deviceType !== DeviceTypeEnum.GATEWAY_SUB,
       },
       rules: 'required',
     },
diff --git a/apps/web-ele/src/views/iot/device/device/detail/modules/modbus-point-form.vue b/apps/web-ele/src/views/iot/device/device/detail/modules/modbus-point-form.vue
index c1d5ec35e..493bb8460 100644
--- a/apps/web-ele/src/views/iot/device/device/detail/modules/modbus-point-form.vue
+++ b/apps/web-ele/src/views/iot/device/device/detail/modules/modbus-point-form.vue
@@ -241,10 +241,20 @@ const [Form, formApi] = useVbenForm({
         if (option && option.registerCount > 0) {
           await formApi.setFieldValue('registerCount', option.registerCount);
         }
-        // 重置字节序为第一个选项
+        // 字节序：仅在当前值为空或不属于新 rawDataType 时才重置为第一个选项；
+        // 编辑回填时 setValues 会触发本回调，无条件重置会覆盖已保存字节序
         const byteOrderOptions = getByteOrderOptions(rawDataType);
         if (byteOrderOptions.length > 0) {
-          await formApi.setFieldValue('byteOrder', byteOrderOptions[0]!.value);
+          const currentByteOrder = values.byteOrder;
+          const isCurrentValid =
+            !!currentByteOrder &&
+            byteOrderOptions.some((opt) => opt.value === currentByteOrder);
+          if (!isCurrentValid) {
+            await formApi.setFieldValue(
+              'byteOrder',
+              byteOrderOptions[0]!.value,
+            );
+          }
         }
       }
     }
diff --git a/apps/web-ele/src/views/iot/device/device/index.vue b/apps/web-ele/src/views/iot/device/device/index.vue
index 4a9dbf41b..366c4ff1c 100644
--- a/apps/web-ele/src/views/iot/device/device/index.vue
+++ b/apps/web-ele/src/views/iot/device/device/index.vue
@@ -9,7 +9,7 @@ import type { IotProductApi } from '#/api/iot/product/product';
 import { nextTick, onMounted, ref } from 'vue';
 import { useRoute, useRouter } from 'vue-router';
 
-import { Page, useVbenModal } from '@vben/common-ui';
+import { confirm, Page, useVbenModal } from '@vben/common-ui';
 import { DICT_TYPE } from '@vben/constants';
 import { getDictOptions } from '@vben/hooks';
 import { IconifyIcon } from '@vben/icons';
@@ -169,6 +169,7 @@ async function handleDeleteBatch() {
     ElMessage.warning('请选择要删除的设备');
     return;
   }
+  await confirm($t('ui.actionMessage.deleteBatchConfirm'));
   const loadingInstance = ElLoading.service({
     text: $t('ui.actionMessage.deletingBatch'),
   });
diff --git a/apps/web-ele/src/views/iot/home/modules/message-trend-card.vue b/apps/web-ele/src/views/iot/home/modules/message-trend-card.vue
index 352429057..1fc912829 100644
--- a/apps/web-ele/src/views/iot/home/modules/message-trend-card.vue
+++ b/apps/web-ele/src/views/iot/home/modules/message-trend-card.vue
@@ -3,7 +3,7 @@ import type { Dayjs } from 'dayjs';
 
 import type { IotStatisticsApi } from '#/api/iot/statistics';
 
-import { computed, nextTick, reactive, ref } from 'vue';
+import { computed, nextTick, onMounted, reactive, ref } from 'vue';
 
 import { DICT_TYPE } from '@vben/constants';
 import { getDictOptions } from '@vben/hooks';
@@ -26,6 +26,7 @@ const loading = ref(false); // 加载状态
 const messageData = ref<IotStatisticsApi.DeviceMessageSummaryByDateRespVO[]>(
   [],
 ); // 消息趋势数据
+const isFirstMount = ref(true); // 首次挂载标记，用于跳过子组件 mount 时的默认 emit
 
 /** 时间范围（仅日期，不包含时分秒） */
 const dateRange = ref<[string, string]>([
@@ -74,6 +75,11 @@ function handleDateRangeChange(times?: [Dayjs, Dayjs]) {
   ];
   // 将选择的日期转换为带时分秒的格式（开始日期 00:00:00，结束日期 23:59:59）
   queryParams.times = formatDateRangeWithTime(dateRange.value);
+  if (isFirstMount.value) {
+    // 子组件 ShortcutDateRangePicker mount 时会 emit 一次默认日期范围，跳过 fetch；
+    // 首次请求统一由父组件 onMounted 发起，避免双请求
+    return;
+  }
   handleQuery();
 }
 
@@ -123,6 +129,13 @@ async function renderChartWhenReady() {
   initChart();
 }
 
+// 父组件挂载后统一发起首次请求；
+// 原因：子组件 ShortcutDateRangePicker 早期 emit 触发的请求落在 useEcharts isActiveRef = false 阶段，会被 renderEcharts 静默丢弃；
+// 通过 handleDateRangeChange 在 isFirstMount=true 时跳过 fetch，由这里统一发起一次，避免双请求
+onMounted(() => {
+  fetchMessageData();
+  isFirstMount.value = false;
+});
 </script>
 
 <template>
diff --git a/apps/web-ele/src/views/iot/ota/firmware/data.ts b/apps/web-ele/src/views/iot/ota/firmware/data.ts
index a8795a911..d09b0b06b 100644
--- a/apps/web-ele/src/views/iot/ota/firmware/data.ts
+++ b/apps/web-ele/src/views/iot/ota/firmware/data.ts
@@ -101,9 +101,9 @@ export function useFormSchema(): VbenFormSchema[] {
       component: 'FileUpload',
       componentProps: {
         maxNumber: 1,
-        accept: ['bin', 'hex', 'zip'],
+        accept: ['bin', 'zip', 'pdf'],
         maxSize: 50,
-        helpText: '支持上传 .bin、.hex、.zip 格式的固件文件，最大 50MB',
+        helpText: '支持上传 .bin、.zip、.pdf 格式的固件文件，最大 50MB',
       },
       rules: 'required',
       dependencies: {
diff --git a/apps/web-ele/src/views/iot/product/product/data.ts b/apps/web-ele/src/views/iot/product/product/data.ts
index 52f8b75d2..01d0ae32a 100644
--- a/apps/web-ele/src/views/iot/product/product/data.ts
+++ b/apps/web-ele/src/views/iot/product/product/data.ts
@@ -128,7 +128,7 @@ export function useBasicFormSchema(
       // 网关子设备走网关联网，不需要联网方式
       dependencies: {
         triggerFields: ['deviceType'],
-        show: (values) => values.deviceType !== DeviceTypeEnum.GATEWAY,
+        show: (values) => values.deviceType !== DeviceTypeEnum.GATEWAY_SUB,
       },
       rules: 'required',
     },