plate slot="append">
                <el-link :underline="false" v-on:click.prevent="btnSendSmsClick">
                  {{ smsCountdown > 0 ? smsCountdown + '秒': '获取验证码' }}
                </el-link>
              </template>
            </el-input>
          </el-form-item>
        </template>

        <el-form-item v-if="isCaptcha" label="验证码" prop="captcha" :rules="{ required: true, message: '请输入验证码' }">
          <el-col :span="6">
            <el-input v-model="form.captc