diff --git a/File/YBTaskSchedulerP0.png b/File/YBTaskSchedulerP0.png
new file mode 100644
index 0000000..2937a00
Binary files /dev/null and b/File/YBTaskSchedulerP0.png differ
diff --git a/File/YBTaskSchedulerUML.jpg b/File/YBTaskSchedulerUML.jpg
new file mode 100644
index 0000000..70d39c7
Binary files /dev/null and b/File/YBTaskSchedulerUML.jpg differ
diff --git a/YBTaskScheduler.podspec b/YBTaskScheduler.podspec
index dcc8292..2793e33 100644
--- a/YBTaskScheduler.podspec
+++ b/YBTaskScheduler.podspec
@@ -4,7 +4,7 @@ Pod::Spec.new do |s|
 
 
   s.name         = "YBTaskScheduler"
-  s.version      = "1.0"
+  s.version      = "1.0.1"
   s.summary      = "iOS 任务调度器，为 CPU 和内存减负"
   s.description  = <<-DESC
   					主要用途：拆分主线程任务、删除无意义任务减轻 CPU 和内存的负担，任务的优先级调度实现特殊需求。
@@ -20,9 +20,9 @@ Pod::Spec.new do |s|
 
   s.source       = { :git => "https://github.com/indulgeIn/YBTaskScheduler.git", :tag => "#{s.version}" }
 
-  s.source_files = "YBTaskScheduler/**/*.{h,m}"
+  s.source_files = "YBTaskScheduler/**/*.{h,m,mm}"
 
-  s.frameworks   = "Foundation"
+  s.libraries = 'c++.1'
 
   s.requires_arc = true
 
diff --git a/YBTaskScheduler/YBTSPriorityQueue.mm b/YBTaskScheduler/YBTSPriorityQueue.mm
index 8521ebf..70ff3f4 100644
--- a/YBTaskScheduler/YBTSPriorityQueue.mm
+++ b/YBTaskScheduler/YBTSPriorityQueue.mm
@@ -42,6 +42,11 @@ @implementation YBTSPriorityQueue {
 
 #pragma mark - life cycle
 
+- (void)dealloc {
+    [self clearTasks];
+    pthread_mutex_destroy(&_lock);
+}
+
 - (instancetype)init {
     self = [super init];
     if (self) {
@@ -54,6 +59,16 @@ - (instancetype)init {
     return self;
 }
 
+#pragma mark - private
+
+- (void)clearTasks {
+    pthread_mutex_lock(&_lock);
+    while (!_queue.empty()) {
+        _queue.pop();
+    }
+    pthread_mutex_unlock(&_lock);
+}
+
 #pragma mark - <YBTaskSchedulerStrategyProtocol>
 
 - (BOOL)ybts_empty {
@@ -83,11 +98,7 @@ - (void)ybts_executeTask {
 }
 
 - (void)ybts_clearTasks {
-    pthread_mutex_lock(&_lock);
-    while (!_queue.empty()) {
-        _queue.pop();
-    }
-    pthread_mutex_unlock(&_lock);
+    [self clearTasks];
 }
 
 
diff --git a/YBTaskScheduler/YBTaskScheduler.h b/YBTaskScheduler/YBTaskScheduler.h
index bb70095..14c3199 100644
--- a/YBTaskScheduler/YBTaskScheduler.h
+++ b/YBTaskScheduler/YBTaskScheduler.h
@@ -54,7 +54,7 @@ NS_ASSUME_NONNULL_BEGIN
  @param task 包裹任务的 block
  @param priority 优先级
  */
-- (void)addTask:(YBTaskBlock)task priority:(YBTaskPriority)priority;;
+- (void)addTask:(YBTaskBlock)task priority:(YBTaskPriority)priority;
 
 /**
  清空所有任务
diff --git a/YBTaskSchedulerDemo.xcodeproj/project.pbxproj b/YBTaskSchedulerDemo.xcodeproj/project.pbxproj
index de20e4e..08f1a97 100644
--- a/YBTaskSchedulerDemo.xcodeproj/project.pbxproj
+++ b/YBTaskSchedulerDemo.xcodeproj/project.pbxproj
@@ -117,9 +117,9 @@
 		233C712F21E08D6900D2AE95 /* YBTaskScheduler */ = {
 			isa = PBXGroup;
 			children = (
-				233C713021E08D6900D2AE95 /* YBTaskScheduler+Internal.h */,
 				233C713121E08D6900D2AE95 /* YBTaskScheduler.h */,
 				233C713221E08D6900D2AE95 /* YBTaskScheduler.m */,
+				233C713021E08D6900D2AE95 /* YBTaskScheduler+Internal.h */,
 				233C713321E08D6900D2AE95 /* YBTaskSchedulerStrategyProtocol.h */,
 				233C713421E08D6900D2AE95 /* YBTaskSchedulerTypedef.h */,
 				233C713521E08D6900D2AE95 /* YBTSPriorityQueue.h */,
@@ -401,7 +401,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				ONLY_ACTIVE_ARCH = YES;
+				ONLY_ACTIVE_ARCH = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = yangbo.YBTaskSchedulerDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				TARGETED_DEVICE_FAMILY = "1,2";