assword" class="form-control" v-model="password" placeholder="密码">
            <span class="fa fa-lock form-control-feedback"></span>
          </div>
          <div class="form-group has-feedback">
            <input type="text"style="width: 50%;display: inline-block" class="form-control" v-model="captcha" @keyup.enter="login" placeholder="验证码">
            <img alt="如果看不清楚，请单击图片刷新！" style="width: 45%;display: inline-block" class="pointer" :src="src" @click="refreshC