perf:修改logo

sample-form-manager-ui/admin/src/pages/layouts/components/Header.vue

@@ -2,8 +2,7 @@
   <div class="header flex aic jcb">
     <div class="left flex aic">
       <img
-        class="pointer mr10"
-        width="32"
+        class="pointer mr10 logo"
         :src="sysLogo ? api + sysLogo : require('@/assets/img/logo.png')"
         alt="LOGO"
         @click="handleGoHome"
@@ -106,6 +105,10 @@ export default {
   background: linear-gradient(90deg, #1845c6 0%, #2999ff 100%);
   color: #fff;
   flex-shrink: 0;
+  .logo {
+    height: 32px;
+    object-fit: contain;
+  }
   .left {
     height: 100%;
   }