diff --git a/auto_cut_audio/HandleAudio.py b/auto_cut_audio/HandleAudio.py
index 229f068..bb3bbaf 100644
--- a/auto_cut_audio/HandleAudio.py
+++ b/auto_cut_audio/HandleAudio.py
@@ -328,7 +328,7 @@ def __splitBufDataAndCreateDataHeader__(self, startValue, end):
         buf = self.__getAudioBuf__()
         data = buf[startValue:end]
         # 对于数据计数是以字节计数，一个buf占两个字节，需要计数i，
-        dataListLen = (data.__len__() - 1) * 2
+        dataListLen = (data.__len__() - 1) * 2 * self.channel
         dataLen = dataListLen.to_bytes(4, byteorder='little')
         fileLen = (dataListLen + header_bit).to_bytes(4, byteorder='little')
         header = info[0:4] + fileLen + info[8:header_bit - 4] + dataLen