fix

src/views/Login.vue

 <template>
   <div class="whole">
-    <p class="top-title">机器人监控</p>
+    <!--<p class="top-title">机器人监控</p>-->
     <!-- 登录 -->
     <div class="login" v-show="islogin==1">
       <h2 class="title">用户登录</h2>
@@ -45,7 +45,7 @@
           <i class="iicon pwd"></i>
           <input type="text" placeholder="请输入验证码" class="usercomyzm" v-model="regist_yzm">
           <el-button type="primary"  class="getyzm" @click="getYZM('regist')" :disabled='!show'>
-            <span v-show = "how">获取验证码</span>
+            <span v-show = "show">获取验证码</span>
             <span v-show = "!show" class="count">已发送{{count}} s</span>
           </el-button>
         </div>