chore: logo替换

src/components/learnSysLayout/navigation.vue

 <template>
   <div class="menu">
     <div class="nav-left">
-      <img class="logo" src="https://zws-imgs-pub.ezijing.com/pc/base/logo.svg" alt="logo" />
+      <img class="logo" src="https://webapp-pub.ezijing.com/project/sbu-plus/logo.png" alt="logo" />
       <div class="text-title" @click="setStatus">{{ $t('components.learnSysLayout.navigation.title') }}</div>
     </div>
     <div class="nav-right">
@@ -63,17 +63,14 @@ export default {
     float: left;
     position: relative;
     height: 100%;
+    display: flex;
+    align-items: center;
     img.logo {
-      position: absolute;
-      left: 0;
-      top: 50%;
-      height: 80%;
-      width: auto;
-      transform: translateY(-50%);
+      height: 40px;
     }
     .text-title {
       float: left;
-      margin-left: 190px;
+      margin-left: 20px;
       line-height: 60px;
       font-size: 16px;
     }