From afe1ec0db735b5e3ecc9babab4c6ce8c447df929 Mon Sep 17 00:00:00 2001
From: gaoliang5 <gaoliang5@bj-m-207190a.local>
Date: Wed, 20 Sep 2017 15:28:38 +0800
Subject: [PATCH] update: xcode9 runtime crash when invoke decisionHandler
 twice

---
 WebViewJavascriptBridge/WKWebViewJavascriptBridge.m | 1 +
 1 file changed, 1 insertion(+)

diff --git a/WebViewJavascriptBridge/WKWebViewJavascriptBridge.m b/WebViewJavascriptBridge/WKWebViewJavascriptBridge.m
index 47667df6..73c923db 100644
--- a/WebViewJavascriptBridge/WKWebViewJavascriptBridge.m
+++ b/WebViewJavascriptBridge/WKWebViewJavascriptBridge.m
@@ -147,6 +147,7 @@ - (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigati
             [_base logUnkownMessage:url];
         }
         decisionHandler(WKNavigationActionPolicyCancel);
+        return;
     }
     
     if (strongDelegate && [strongDelegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:decisionHandler:)]) {