perf: 优化平台logo保持图片缩放比

@@ -183,7 +183,6 @@
       padding: 10px 4px 10px 10px;
 
       img {
-        width: @logo-width;
         height: @logo-width;
       }
     }

@@ -16,8 +16,8 @@
         <div class="hidden min-h-full pl-4 mr-4 xl:flex xl:flex-col xl:w-6/12">
           <!-- <AppLogo class="-enter-x" /> -->
           <div style="display: flex; margin-top: 10px">
-            <img v-if="defaultLogo" :src="defaultLogo" style="width: 48px; height: 48px" />
-            <img style="width: 48px; height: 48px" v-else src="/src/assets/images/logo.png" />
+            <img v-if="defaultLogo" :src="defaultLogo" class="h-12" />
+            <img class="h-12" v-else src="/src/assets/images/logo.png" />
             <div
               class="ml-2 truncate md:opacity-100"
               style="