fix：修改登录页背景图默认

@@ -83,6 +83,7 @@
   import { useLocaleStore } from '/@/store/modules/locale';
   import { useUserStore } from '/@/store/modules/user';
   import { getPlatForm } from '/@/api/oem/index';
+  import defaultShowLogoImg from '/@/assets/svg/login-bg.svg';
 
   defineProps({
     sessionTimeout: {
@@ -100,8 +101,7 @@
     if (logoUrl.value !== undefined) {
       ifCustom.value = false;
     } else {
-      const defaultLogo = 'src/assets/svg/login-bg.svg';
-      logoUrl.value = 'url(' + defaultLogo + ')';
+      logoUrl.value = 'url(' + defaultShowLogoImg + ')';
     }
   });
 
@@ -124,8 +124,7 @@
     if (logoUrl.value !== undefined) {
       ifCustom.value = false;
     } else {
-      const defaultLogo = 'src/assets/svg/login-bg.svg';
-      logoUrl.value = 'url(' + defaultLogo + ')';
+      logoUrl.value = 'url(' + defaultShowLogoImg + ')';
     }
     return userStore.platInfo?.name ?? title;
   });