fix(系统设置): 修复logo显示问题

--bug=1021870 --user=郭雨琦
https://www.tapd.cn/55049933/bugtrace/bugs/view/1155049933001021870

framework/sdk-parent/frontend/src/business/login/index.vue

@@ -178,6 +178,9 @@ export default {
             if (title) {
               document.title = title;
             }
+            if (response.data[0].paramValue) {
+              this.shortcutIcon();
+            }
           })
       })
 
@@ -196,6 +199,7 @@ export default {
           this.rules = this.getDefaultRules();
         }
       });
+
   },
   created: function () {
     document.addEventListener("keydown", this.watchEnter);
@@ -296,6 +300,13 @@ export default {
           });
       }
     },
+    shortcutIcon() {
+      let link = document.querySelector("link[rel*='icon']") || document.createElement('link');
+      link.type = 'image/x-icon';
+      link.rel = 'shortcut icon';
+      link.href = '/display/file/logo';
+      document.getElementsByTagName('head')[0].appendChild(link);
+    },
     redirectAuth(authId) {
       if (authId === 'LDAP' || authId === 'LOCAL') {
         return;