diff --git a/src/assets/css/iconfont/iconfont.ttf b/src/assets/css/iconfont/iconfont.ttf
index a0a4398..239c64c 100644
Binary files a/src/assets/css/iconfont/iconfont.ttf and b/src/assets/css/iconfont/iconfont.ttf differ
diff --git a/src/assets/css/iconfont/iconfont.woff b/src/assets/css/iconfont/iconfont.woff
index efd303d..82a494e 100644
Binary files a/src/assets/css/iconfont/iconfont.woff and b/src/assets/css/iconfont/iconfont.woff differ
diff --git a/src/assets/css/iconfont/iconfont.woff2 b/src/assets/css/iconfont/iconfont.woff2
index 9bf1700..5929552 100644
Binary files a/src/assets/css/iconfont/iconfont.woff2 and b/src/assets/css/iconfont/iconfont.woff2 differ
diff --git a/src/components/header.vue b/src/components/header.vue
index fbbae27..922a656 100644
--- a/src/components/header.vue
+++ b/src/components/header.vue
@@ -12,6 +12,7 @@
         <div class="tiem_item seconds">{{seconds}}</div>
       </div>
     </div>
+    <div class="exit_btn iconfont" @click="back">&#xe85b;</div>
     <slot></slot>
   </header>
 </template>
@@ -60,6 +61,9 @@ export default {
       this.seconds = `${ss}`
       this.date = `${year}年${month}月${date}日`
       this.week = `${week}`
+    },
+    back () {
+      this.$router.push('/setup')
     }
   }
 }
@@ -97,4 +101,17 @@ header
 .colon
   float left
   _font(.32rem, .37rem, #fff,,)
+.exit_btn
+  position absolute
+  left 2%
+  top 16.5%
+  z-index 100
+  height .3rem
+  width .3rem
+  line-height .3rem
+  font-size .3rem
+  color #AECAF5
+  text-align: center;
+  cursor: pointer;
+  border-radius: 50%;
 </style>