diff --git a/main.go b/main.go
index d02a3a23e..ba8494eae 100644
--- a/main.go
+++ b/main.go
@@ -193,11 +193,12 @@ func handleConn(c net.Conn) {
 		printInit := "1b40"   //打印机初始化
 		voice := "1b59415501" //语音响一次
 		check := "ff"
-		s := "oa2d"
-		//printData := hex.EncodeToString([]byte(s))
-		lenData := int64(len(str) + len(const1) + len(orderNo) + len(printInit) + len(voice) + 1 + 2 + len(s))
+		begin := "oa"
+		s := "--------------------------------------"
+		printData := hex.EncodeToString([]byte(s))
+		lenData := int64(len(str) + len(const1) + len(orderNo) + len(printInit) + len(voice) + 1 + 2 + len(printData))
 		x1, x2 := int2h8l8(lenData)
-		data := str + x1 + x2 + const1 + orderNo + printInit + voice + s + check
+		data := str + x1 + x2 + const1 + orderNo + printInit + voice + begin + printData + check
 		c.Write([]byte(data))
 		fmt.Println("write data: ", data)
 	}