WKWebview崩溃问题Completion handler passed to was called more than once

最近遇到一个很奇葩的问题， 测试跟模拟环境，WKwebview夹在网页都好好的，但是在apptore下载的包缺出现崩溃在 - (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNav

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