fix: 修复仪表盘设置单位无效

@@ -148,6 +148,7 @@ export const getFormSchemas = (event: EventTypeEnum): FormSchema[] => {
               [FormFieldsEnum.SERVICE]: undefined,
               [FormFieldsEnum.CUSTOM_COMMAND]: null,
               [FormFieldsEnum.WAY]: CommandWayEnum.ONE_WAY,
+              [FormFieldsEnum.THINGS_MODEL]: null,
             })
           },
         }
@@ -205,6 +206,9 @@ export const getFormSchemas = (event: EventTypeEnum): FormSchema[] => {
             formModel[FormFieldsEnum.THINGS_MODEL] = value ? options : null
             formModel.callType = options.callType
           },
+          onChange(value: string | number | undefined) { // 因为select不会执行清除选择 所以使用change时间
+            if (!value) formModel[FormFieldsEnum.THINGS_MODEL] = null
+          },
           onOptionsChange(options: ThingsModel[]) {
             const service = formModel[FormFieldsEnum.SERVICE]
             if (service) {

@@ -31,9 +31,15 @@ onMounted(() => {
 
 const onReceiveDataSourceMessage = (commandSource: CommandSource, message: SubscriptionUpdateMsg) => {
   const { data } = commandSource
+  const { chartOption } = data || {}
+  const { unit } = chartOption || {}
   const { attr } = data as NodeDataDataSourceJsonType
   const { latestValue } = useLatestMessageValue(message.data, attr)
-  unref(chartInstance)?.setOption({ series: [{ data: [{ value: latestValue }] }] } as EChartsOption)
+  unref(chartInstance)?.setOption({
+    series: [{
+      data: [{ value: latestValue }], detail: { formatter: `{value} ${unit || '℃'}` },
+    }],
+  } as EChartsOption)
 }
 
 const { onMessage } = useOnMessage({ onReceiveDataSourceMessage })