Display a floating layer for server errors with time and animations, and fix unnecessary alerts.
Display server errors at the bottom of the page to avoid waiting for the page to not respond.喺頁面底部顯示伺服器錯誤，避免頁面冇響應喺度憨鳩鳩噉等在页面底部显示服务器错误，避免页面没有响应而傻等