u webview navbar bug

iCemarose/Class/UI/DPWebViewController.m

@@ -22,13 +22,21 @@
 }
 
 - (void)viewWillAppear:(BOOL)animated{
+//    if (_titleView) {
+//        id items = [[NSMutableArray alloc] initWithArray:self.navigationController.navigationBar.items];
+//        [items addObject:_titleView];
+//        self.navigationController.navigationBar.items = items;
+//    }
     [self.navigationController setNavigationBarHidden:NO];
+    if (self.navigationController.navigationBar.items.count > 1) {
+        self.navigationController.navigationBar.items[1].title = self.title;
+    }
     [super viewWillAppear:animated];
 }
 
 - (void)viewWillDisappear:(BOOL)animated{
     [super viewWillDisappear:animated];
-//    [self.navigationController setNavigationBarHidden:YES];
+    self.navigationController.navigationBar.items.lastObject.title = nil;
 }
 
 - (void)didReceiveMemoryWarning {