解决wkwebview 时序 引起 定位不准问题

review by 枪兵

@@ -247,10 +247,9 @@
 #pragma mark - Gesture Handlers 
 - (void)hanldeTapGesture:(UITapGestureRecognizer *)gesture {
     if (gesture == _tapGesture) {
-        
+        CGPoint touchPoint = [gesture locationInView:self.webView];
         CGFloat displayWidth = [[self.webViewController stringByEvaluatingJavaScriptFromString:@"window.innerWidth"] floatValue];
         CGFloat scale = self.webView.frame.size.width / displayWidth;
-        CGPoint touchPoint = [gesture locationInView:self.webView];
         // 如果webview是zoom状态，把对应的比例除去
         touchPoint.x /= scale;
         touchPoint.y /= scale;