fix(App.vue): 替换原有登出接口为SSO登出跳转

将原有的axios登出请求改为直接跳转第三方SSO登出地址，完成统一登出流程

src/App.vue

@@ -132,9 +132,7 @@ const linkLogin = () => {
 
 
 const loginOut = () => {
-  axios.post('//cloud.cocorobo.cn/api/logout').then(res => {
-      linkLogin()
-  })
+  top.location.href = 'https://sz.edu.cn/thirdauth/oauth2/sso_logout?app_id=f03970962b254aa29115fefd42a8eeb7&redirect_uri=https://cloud.cocorobo.cn/api/logout'
 }
 
 // 同步登录信息