修复iosbug

ios/Classes/InAppWebView.swift

@@ -887,6 +887,7 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
         self.longPressRecognizer = UILongPressGestureRecognizer()
         self.longPressRecognizer!.delegate = self
         self.longPressRecognizer!.addTarget(self, action: #selector(longPressGestureDetected))
+        
     }
     
     override public var frame: CGRect {
@@ -1358,6 +1359,9 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
                 } else if options.cacheEnabled {
                     configuration.websiteDataStore = WKWebsiteDataStore.default()
                 }
+                if let userAgent = options.applicationNameForUserAgent as? String{
+                    configuration.applicationNameForUserAgent = userAgent;
+                }
             }
             
             if #available(iOS 10.0, *) {
@@ -1393,6 +1397,7 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
                         configuration.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
                     }
                 }
+                
             }
         }