diff --git a/BabyBluetoothExamples/BabyBluetoothAppDemo/BabyBluetoothAppDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/BabyBluetoothExamples/BabyBluetoothAppDemo/BabyBluetoothAppDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/BabyBluetoothExamples/BabyBluetoothAppDemo/BabyBluetoothAppDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/Classes/objc/BabyBluetooth.h b/Classes/objc/BabyBluetooth.h
index fb45387..0aaf8f3 100644
--- a/Classes/objc/BabyBluetooth.h
+++ b/Classes/objc/BabyBluetooth.h
@@ -474,6 +474,11 @@ characteristic:(CBCharacteristic *)characteristic
 - (void)cancelNotify:(CBPeripheral *)peripheral
      characteristic:(CBCharacteristic *)characteristic;
 
+/**
+ 取消设备所有的notify
+ */
+- (void)cancelAllNotify;
+
 /**
 获取当前连接的peripherals
  */
diff --git a/Classes/objc/BabyBluetooth.m b/Classes/objc/BabyBluetooth.m
index 81323c4..875a278 100644
--- a/Classes/objc/BabyBluetooth.m
+++ b/Classes/objc/BabyBluetooth.m
@@ -580,6 +580,11 @@ - (void)cancelNotify:(CBPeripheral *)peripheral
     [babySpeaker removeNotifyCallback:characteristic];
 }
 
+- (void)cancelAllNotify
+{
+    [babySpeaker removeAllNotify];
+}
+
 //获取当前连接的peripherals
 - (NSArray *)findConnectedPeripherals {
      return [babyCentralManager findConnectedPeripherals];
diff --git a/Classes/objc/BabySpeaker.h b/Classes/objc/BabySpeaker.h
index 0f51603..67fbee4 100644
--- a/Classes/objc/BabySpeaker.h
+++ b/Classes/objc/BabySpeaker.h
@@ -33,6 +33,9 @@
 //添加到notify list
 - (void)removeNotifyCallback:(CBCharacteristic *)c;
 
+//删除全部notify list
+- (void)removeAllNotify;
+
 //获取notify list
 - (NSMutableDictionary *)notifyCallBackList;
 
diff --git a/Classes/objc/BabySpeaker.m b/Classes/objc/BabySpeaker.m
index 8850b34..df10a24 100644
--- a/Classes/objc/BabySpeaker.m
+++ b/Classes/objc/BabySpeaker.m
@@ -100,6 +100,11 @@ - (void)removeNotifyCallback:(CBCharacteristic *)c {
     [notifyList removeObjectForKey:c.UUID.description];
 }
 
+//删除全部notify list
+- (void)removeAllNotify {
+    [notifyList removeAllObjects];
+}
+
 //获取notify list
 - (NSMutableDictionary *)notifyCallBackList {
     return notifyList;