改

src/views/tongfeng/zaoquan/tongfeng_dongjin.vue

@@ -1,9 +1,12 @@
 <template>
   <div>
-    <!-- <topimg></topimg> -->
-    <div v-if="show">
-      <van-nav-bar title="东井通风系统" left-arrow @click-left="onClickLeft" />
+
+    <div class="top_title">
+        <div class="topleft" @click-left="onClickLeft" ><</div>
+        <div class="toptitle">东井通风系统</div>
     </div>
+    <!-- <topimg></topimg> -->
+    
     <div class="img">
     <img src="../../../assets/images/tongfeng.png" alt="">
     <h1>东井通风系统</h1>
@@ -56,6 +59,9 @@ export default {
       console.log(res.content.data);
       this.data = res.content.data;
     },
+    onClickLeft() {
+      window.history.back();
+    },
      getNowFormatDate() {
       var now = new Date();
       var year = now.getFullYear(); //获取年份
@@ -219,4 +225,26 @@ li div {
   /* padding-bottom: 3px; */
  
 }
+.top_title{
+  padding-top: 25px;
+  background-color: #009fe8;
+  display: flex;
+}
+.toptitle{
+  width: 100%;
+  height: 50px;
+  line-height: 50px;
+  text-align: center;
+  color: #FFFFFF;
+  font-weight: bolder;
+  font-size: 24px;
+}
+.topleft{
+  position: relative;
+  left: 15px;
+  color: #FFFFFF;
+  line-height: 50px;
+  font-size: 24px;
+  
+}
 </style>

src/views/tongfeng/zaoquan/tongfeng_xijin.vue

@@ -5,7 +5,7 @@
       <van-nav-bar title="西井通风系统" left-arrow @click-left="onClickLeft" />
     </div> -->
     <div class="top_title">
-        <div class="topleft"><</div>
+        <div class="topleft" @click-left="onClickLeft" ><</div>
         <div class="toptitle">西井通风系统</div>
     </div>
     
@@ -228,8 +228,8 @@ li div {
   color: #fff;
 }
 .top_title{
-  padding-top: 50px;
-  background-color: #39f;
+  padding-top: 25px;
+  background-color: #009fe8;
   display: flex;
 }
 .toptitle{
@@ -239,13 +239,13 @@ li div {
   text-align: center;
   color: #FFFFFF;
   font-weight: bolder;
-  font-size: 18px;
+  font-size: 24px;
 }
 .topleft{
   position: relative;
-  left: 5px;
+  left: 15px;
   color: #FFFFFF;
   line-height: 50px;
-  font-size: 18px;
+  font-size: 24px;
 }
 </style>