fix: update login page title

public/loading.js

@@ -160,7 +160,7 @@
       titleSub: '初次加载资源可能需要较多时间',
       msg: '请耐心等待',
     };
-    document.title = "管理系统";
+    document.title = "AGrandEMS";
 
     // 判断选择语言
     const lang = localStorage.getItem('cache:local:i18n') || 'zh_CN';
@@ -170,7 +170,7 @@
         titleSub: 'Loading resources for the first time may take a lot of time',
         msg: 'Please be patient',
       };
-      document.title = "Managerial System";
+      document.title = "AGrandEMS";
     }
 
     const divStr = `