diff --git a/README.MD b/README.MD
index c46800b..51f66dc 100644
--- a/README.MD
+++ b/README.MD
@@ -1,3 +1,6 @@
+# 更新：
+增加一个后台播放音频文件的节点Play Sound，包括音量调节。这个节点支持多线程播放。
+
 # ComfyUI_MSSpeech_TTS  
 ComfyUI下使用的文本转语音插件。使用Microsoft speech TTS 接口将文本内容转为MP3格式的语音文件。  
 
diff --git a/py/playsound.py b/py/playsound.py
new file mode 100644
index 0000000..1db9df1
--- /dev/null
+++ b/py/playsound.py
@@ -0,0 +1,46 @@
+import sys
+import os
+import threading
+from arcade import load_sound, play_sound
+
+class Sound:
+
+    def play(self, file_name, volume):
+        sound = load_sound(file_name)
+        play_sound(sound, volume)
+
+
+def Play(path, volume):
+    s = Sound()
+    s.play(path, volume)
+
+class Play_Sound_Now():
+
+    def __init__(self):
+        pass
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "path": ("STRING", {"default": 'comfyui.mp3'}),
+                "volume": ("FLOAT", {"default": 1, "min": 0.0, "max": 1.0, "step": 0.01}),
+            },
+            "optional": {
+            },
+        }
+
+    RETURN_TYPES = ()
+    FUNCTION = "do_playsound"
+    OUTPUT_NODE = True
+    CATEGORY = "MicorsoftSpeech_TTS"
+
+    def do_playsound(self, path, volume):
+        t = threading.Thread(target=Play(path, volume))
+        t.start()
+        return {"ui": {"text": ("",)}}
+
+
+NODE_CLASS_MAPPINGS = {
+    "Play Sound": Play_Sound_Now
+}
diff --git a/requirements.txt b/requirements.txt
index 753a1af..c90ffe2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.23.4
+numpy
 edge_tts
 asyncio
-
+arcade