离线打包审核提示WKWebview问题？

最新的离线sdk打包，hbuilder配置已设置为WKWebview，但为什么还提示“Deprecated API Usage - New apps that use UIWebView are no longer accepted. Instead, use WKWebView for improved security and reliability. Learn more”？

"plus" : {  
        "kernel" : {  
            //"ios": "UIWebview",  
            "ios" : "WKWebview",  
            "recovery" : "restart"  
        },  
        ...