更新

resources/views/admin/projects/index.blade.php

@@ -25,7 +25,8 @@
                     <div class="layui-inline">
                         <div class="layui-input-inline">
                             <select name="user_id">
-                                <option value="0" selected="selected">项目经理</option>
+                                <option selected hidden value="0">项目经理</option>
+                                {{--<option value="0">项目经理</option>--}}
                                 @foreach($user as $option)
                                     <option value="{{ $option['user_id'] }}" {{ request('user_id') == $option['user_id'] ? 'selected' : ''  }}>{{ $option['name'] }}</option>
                                 @endforeach