refactor：修改api获取ip的方法

src/views/User/AddBoardDialog.vue

@@ -111,8 +111,8 @@ const boardManager = useBoardManager()!;
 
 // 表单数据
 const form = reactive({
-  name: '',
-  ipAddr: '',
+  name: 'Board1',
+  ipAddr: '169.254.103.0',
   port: 1234
 });
 
@@ -176,8 +176,8 @@ function validateForm(): boolean {
 
 // 重置表单
 function resetForm() {
-  form.name = '';
-  form.ipAddr = '';
+  form.name = 'Board1';
+  form.ipAddr = '169.254.103.0';
   form.port = 1234;
   errors.name = '';
   errors.ipAddr = '';