diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index 8539f4ecc..a77efc17a 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -68,7 +68,6 @@ const (
 	hexSignQr       = "1b5a000106" // "1b5a000106"  0600 : 后面二维码的字节数
 	hexSignQrEnd    = "000a1b40"   // 000a0a0a1b40
 	hexSignSound    = "1d6b40"     // 音频指令
-	hexSignSoundOld = "1B594155"   // 音频指令(老指令)
 
 	//起始标签 -- 自定义标签utf8转码为gbk字符集
 	byteSignBR       = "3c62723e"         // 换行
@@ -510,9 +509,10 @@ func replaceContent(content string, printMsg *model.PrintMsg) (result string) {
 			//voiceData := hex.EncodeToString(voiceDataGBK)
 
 			//[8]sounda14 ->5b385d736f756e64613134
-			//realSound := hexPrefixStr + voiceData
-			//realSound := voiceData
-			//allLen := fmt.Sprintf("%x", (len(realSound))/2)
+			//hexPrefix, _ := jxutils.Utf8ToGbk([]byte(soundPrefix))
+			//hexPrefixStr := hex.EncodeToString(hexPrefix)
+			//realSound := hexPrefixStr + sound
+			//allLen := fmt.Sprintf("%x", (len("fd001a0101")+len(realSound))/2)
 			//if len(allLen) < 2 {
 			//	allLen = "0" + allLen
 			//}
@@ -520,7 +520,7 @@ func replaceContent(content string, printMsg *model.PrintMsg) (result string) {
 			//soundLenH, soundLenX := int2h8l8(int64((len(realSound) + len("0101")) / 2))
 			//result = strings.ReplaceAll(result, byteSignSound, hexSignSound+allLen+"fd"+soundLenH+soundLenX+"0100"+hexPrefixStr)
 			result = strings.ReplaceAll(result, sound, "")
-			result = strings.ReplaceAll(result, byteSignSound, hexSignSoundOld+voice)
+			result = strings.ReplaceAll(result, byteSignSound, hexSignSound+voice)
 			//}
 		}
 	}