1.修改iOS Apex Drivers Navigation Observer释放错误。

Redant Drivers/Apex And Drivers/RANavigationController.m

@@ -57,7 +57,7 @@
 
 - (void)dealloc {
     [[NSNotificationCenter defaultCenter] removeObserver:self];
-    [_barBackgroundView removeObserver:self forKeyPath:@"bounds"];
+    [_barBackgroundView removeObserver:self forKeyPath:@"frame"];
 }
 
 - (void)didReceiveMemoryWarning {