yFrame系统</p>
          <div v-if="error" class="alert alert-danger alert-dismissible">
            <h4 style="margin-bottom: 0px;"><i class="fa fa-exclamation-triangle"></i> {{errorMsg}}</h4>
          </div>
          <div class="form-group has-feedback">
            <input type="text" class="form-control" v-model="username" placeholder="账号">
            <span class="fa fa-user form-control-feedback"></span>
          </div>
          <div class="form-group has-feedback">
            <input type="p