style: 登录页面样式修改

src/store/modules/app.ts

@@ -1,7 +1,6 @@
 import { getSysConf } from '@/api';
 import defaultLOGOIcon from '@/assets/logo_icon.png';
 import defaultLOGOBrand from '@/assets/logo_brand.png';
-import defaultLoginBackground from '@/assets/background.svg';
 import { RESULT_CODE_SUCCESS } from '@/constants/result-constants';
 import { validHttp } from '@/utils/regular-utils';
 import { defineStore } from 'pinia';
@@ -80,7 +79,7 @@ const useAppStore = defineStore('app', {
     getLoginBackground(state) {
       const path = state.loginBackground;
       if (!path) {
-        return defaultLoginBackground;
+        return '';
       }
       if (validHttp(path)) {
         return path;