二手车交易，发布列表的navBar自定义

src/views/secondHandCar/indexList.vue

@@ -1,5 +1,16 @@
 <template>
   <div class="wrap">
+    <div class="navBar">
+      <van-nav-bar
+          title="二手车信息"
+          left-arrow
+          left-arrow-color="#FFFFFF"
+          :border="false"
+          :fixed="true"
+          :safe-area-inset-top="true"
+          @click-left="goBack"
+      />
+    </div>
     <div class="headerWrap">
       <img class="bg" src="@/assets/secondHandCar/bg.png" />
       <img class="mine" src="@/assets/secondHandCar/mine.png" @click="goMine" />
@@ -344,6 +355,9 @@ export default {
   width: 100%;
   height: 100%;
 }
+.navBar{
+  margin-bottom: 46px;
+}
 .fixImg{
   width: 210px;
   height: 102px;
@@ -470,7 +484,7 @@ export default {
 }
 .contentWrap{
   width: 100%;
-  height: calc(100% - 80px);
+  height: calc(100% - 126px);
   overflow-y: auto;
   background-color: #F2F2F2 ;
   box-sizing: border-box;