IMC+短信认证，在PC端在新增安装的AP（WA6520）上不能够快速反应弹出portal

做完认证后，PC端在新增安装的AP（WA6520）上不能够快速反应弹出portal界面，手工输入地址也是比较缓慢的状态，在客户原本使用的AP上（WA4320）却没有出现这种问题，有没有优化方式

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