• (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {

ifdef BGY_FLAG

if ([navigationAction.request.URL.absoluteString containsString:@"?no_intercept"]) {
    [[UIApplication sharedApplication] openURL:navigationAction.request.URL];
}
else if ([navigationAction.request.URL.absoluteString hasPrefix:@"weixin"])
{
    [[UIApplication sharedApplication] openURL:navigationAction.request.URL];
}
NSURL *url = navigationAction.request.URL;
UIApplication *app = [UIApplication sharedApplication];
// 打开appstore
if ([navigationAction.request.URL.absoluteString containsString:@"itunes.apple.com"]) {
    if ([app canOpenURL:url]) {
        [app openURL:url];
        decisionHandler(WKNavigationActionPolicyCancel);
        return;
    }
}
//下载企业包
if ([navigationAction.request.URL.absoluteString containsString:@"itms-services://"]) {
    if (@available(iOS 10.0, *)) {
        [app openURL:url options:@{} completionHandler:^(BOOL success) {
            
        }];
    } else {
        [app openURL:url];
    }
    decisionHandler(WKNavigationActionPolicyCancel);
    return;
}

decisionHandler(WKNavigationActionPolicyAllow);

endif

}