适配ios11

 Pod::Spec.new do |s|
   s.name             = "YHExplorer"
-  s.version          = "1.1.0-no-webp-beta"
+  s.version          = "1.1.1-ios11"
   s.summary          = "Integrated WebView with Cordova"
   s.description      = <<-DESC
                        An WebView Kit integrated Cordova.

@@ -85,6 +85,11 @@ static float kprogressViewRadius = 2.0f;
     if (self.progressBar && !self.progressBar.progressView.superview) {
         [self.currentNaviBar addSubview:self.progressBar.progressView];
     }
+#ifdef __IPHONE_11_0
+    if (@available(iOS 11.0, *)) {
+        self.webView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
+    }
+#endif
 }
 
 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation