添加logo

src/components/layout/header.vue

 <template>
   <div class="app-header">
     <div class="title">
+      <img src="https://webapp-pub.ezijing.com/x-training-new/fd-logo.png" alt="" class="logo">
       <router-link to="/">{{ title }}</router-link>
     </div>
     <div class="tool">
@@ -26,7 +27,7 @@ export default {
   // components: { AppSearchBar },
   data() {
     return {
-      title: '金融数据合规管理证书在线学习及考试系统'
+      title: '在线学习及考试系统'
     }
   },
   computed: {
@@ -59,7 +60,11 @@ export default {
   height: 80px;
   padding: 0 30px;
   background-color: #fff;
-
+  .logo{
+    height: 60%;
+    margin-right: 30px;
+    display: block;
+  }
   .tool {
     display: flex;
     align-items: center;
@@ -69,6 +74,9 @@ export default {
     font-size: 24px;
     font-weight: 600;
     color: #222;
+    height: 100%;
+    display: flex;
+    align-items: center;
   }
 
   .nav {