diff --git a/LFLiveKit/coder/LFHardwareAudioEncoder.m b/LFLiveKit/coder/LFHardwareAudioEncoder.m
index 64f97225..dd5eee16 100755
--- a/LFLiveKit/coder/LFHardwareAudioEncoder.m
+++ b/LFLiveKit/coder/LFHardwareAudioEncoder.m
@@ -67,7 +67,8 @@ - (void)encodeAudioData:(nullable NSData*)audioData timeStamp:(uint64_t)timeStam
         char *totalBuf = malloc(totalSize);
         char *p = totalBuf;
         
-        memset(totalBuf, (int)totalSize, 0);
+//         memset(totalBuf, (int)totalSize, 0);
+        memset(totalBuf, 0, (int)totalSize);
         memcpy(totalBuf, leftBuf, leftLength);
         memcpy(totalBuf + leftLength, audioData.bytes, audioData.length);