perf(views): 修复“选择网关参数”步骤分组显示异常问题

src/views/create-device/GatewayParameters.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { onMounted, ref, useTemplateRef } from 'vue';
+import { computed, onMounted, ref, useTemplateRef } from 'vue';
 import { message } from 'ant-design-vue';
 
 import ConfirmModal from '@/components/ConfirmModal.vue';
@@ -785,12 +785,6 @@ const finish = async () => {
   deviceGateways.value = [];
   deviceParamGroupRels.value = [];
 
-  groupingList.value.forEach((item) => {
-    deviceParamGroups.value.push({
-      groupName: item.groupName,
-      deviceId,
-    });
-  });
   customizationData.value.forEach((item) => {
     const {
       customFormula,
@@ -802,6 +796,10 @@ const finish = async () => {
       deviceParamCode,
       paramGroupName,
     } = item;
+    deviceParamGroups.value.push({
+      groupName: paramGroupName,
+      deviceId,
+    });
     customParameters.value.push({
       customFormula,
       unit,
@@ -828,6 +826,10 @@ const finish = async () => {
       unit,
       gatewayLinkProtocolId,
     } = item;
+    deviceParamGroups.value.push({
+      groupName,
+      deviceId,
+    });
     deviceGateways.value.push({
       deviceId,
       gatewayId,
@@ -849,6 +851,15 @@ const finish = async () => {
     });
   });
 
+  const uniqueList = computed(() => {
+    const map = new Map<string, DeviceParamGroups>();
+    deviceParamGroups.value.forEach((item) => {
+      map.set(item.groupName, item); // 始终覆盖，保留最后一次
+    });
+    return Array.from(map.values());
+  });
+  deviceParamGroups.value = uniqueList.value;
+
   await addDeviceBind({
     deviceParamGroups: deviceParamGroups.value,
     deviceGateways: deviceGateways.value,