修改登录页的标题

src/views/Login.vue

@@ -20,7 +20,7 @@
         <div class="login-box">
           <!-- 标题 -->
           <div class="title-wrap">
-            <img v-if="brand.loginTitle" class="title-img" :src="brand.loginTitle" :alt="brand.title" />
+            <img v-if="!brand.loginTitle" class="title-img" :src="brand.loginTitle" :alt="brand.title" />
             <div v-else class="title-text glow-text">{{ brand.title }}</div>
           </div>