diff --git a/Demo/Modules/PayService.m b/Demo/Modules/PayService.m
index 216258d..257d5c2 100644
--- a/Demo/Modules/PayService.m
+++ b/Demo/Modules/PayService.m
@@ -21,8 +21,8 @@ @implementation PayService
     return [[PayService alloc] init];
 }
 
-- (void)appDidFinishLuanch:(QTAppDidLaunchEvent *)event{
-    NSLog(@"PayService: appDidFinishLuanch");
+- (void)appDidFinishLaunch:(QTAppDidLaunchEvent *)event{
+    NSLog(@"PayService: appDidFinishLaunch");
 }
 
 @end
diff --git a/Demo/Modules/UserService.m b/Demo/Modules/UserService.m
index 9190421..42e4f90 100644
--- a/Demo/Modules/UserService.m
+++ b/Demo/Modules/UserService.m
@@ -36,8 +36,8 @@ - (void)registerEventObserver{
     return [UserService shared];
 }
 
-- (void)appDidFinishLuanch:(QTAppDidLaunchEvent *)event{
-    NSLog(@"UserService: appDidFinishLuanch");
+- (void)appDidFinishLaunch:(QTAppDidLaunchEvent *)event{
+    NSLog(@"UserService: appDidFinishLaunch");
     [[UserService shared] registerEventObserver];
 }
 
diff --git a/Doc/UIKitSupport.md b/Doc/UIKitSupport.md
index 8c5e105..0f4be1a 100644
--- a/Doc/UIKitSupport.md
+++ b/Doc/UIKitSupport.md
@@ -44,8 +44,12 @@ Controller作为EventBus的提供者，View和Controller都可以通过属性`ev
 
 ## FAQ
 
-1. ChildViewController如何和ParentViewController通信？
+ChildViewController如何和ParentViewController通信？
 
-将ChildViewController的`isDispatcherProvider`属性设置为NO。
+将ChildViewController的`isDispatcherProvider`属性设置为NO。这样EventBus在寻找`eventDispatcher`的时候会忽略这个controller，从而找到parentController
+
+## 局限性
+
+只有在响应链建立完成了才能分发事件，所以适合处理用户触摸产生，不适合其他逻辑场景。
 
 
diff --git a/QTEventBus.podspec b/QTEventBus.podspec
index 5c67ee5..83416f3 100644
--- a/QTEventBus.podspec
+++ b/QTEventBus.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'QTEventBus'
-  s.version          = '0.4.0'
+  s.version          = '0.4.1'
   s.summary          = '优雅的处理全局事件'
   s.description      = <<-DESC
                        优雅的处理全局事件,类型安全，支持同步/异步发送，同步/异步监听
diff --git a/Sources/AppModule/QTAppDelegate.m b/Sources/AppModule/QTAppDelegate.m
index 5aaf453..ef22131 100644
--- a/Sources/AppModule/QTAppDelegate.m
+++ b/Sources/AppModule/QTAppDelegate.m
@@ -24,7 +24,7 @@ @implementation QTAppDelegate
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{
     QTAppDidLaunchEvent * event = [[QTAppDidLaunchEvent alloc] init];
     event.launchOptions = launchOptions;
-    [self _sendEvent:event sel:@selector(appDidFinishLuanch:)];
+    [self _sendEvent:event sel:@selector(appDidFinishLaunch:)];
     QTAppAllModuleInitEvent * initEvent = [[QTAppAllModuleInitEvent alloc] init];
     [self _sendEvent:initEvent sel:@selector(appAllModuleInit:)];
     return YES;
diff --git a/Sources/AppModule/QTAppModule.h b/Sources/AppModule/QTAppModule.h
index 9aeca06..2719462 100644
--- a/Sources/AppModule/QTAppModule.h
+++ b/Sources/AppModule/QTAppModule.h
@@ -21,7 +21,7 @@
 #pragma mark - 常用
 
 /// 启动
-- (void)appDidFinishLuanch:(QTAppDidLaunchEvent *)event;
+- (void)appDidFinishLaunch:(QTAppDidLaunchEvent *)event;
 
 /// App全部的模块已初始化
 - (void)appAllModuleInit:(QTAppAllModuleInitEvent *)event;
diff --git a/Sources/Core/QTEventBusCollection.m b/Sources/Core/QTEventBusCollection.m
index b6b9943..74a4c6b 100644
--- a/Sources/Core/QTEventBusCollection.m
+++ b/Sources/Core/QTEventBusCollection.m
@@ -89,6 +89,7 @@ - (void)removeNodeForId:(NSString *)uniqueId{
     node.previous = nil;
     previousNode.next = nextNode;
     nextNode.previous = previousNode;
+    [_registeredNodeTable removeObjectForKey:uniqueId];
 }
 
 - (void)appendNode:(_QTEventBusLinkNode *)node{