diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index b980e9cfc..b6a0b1340 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -10,6 +10,7 @@ import (
 	"git.rosy.net.cn/jx-callback/business/model/dao"
 	"git.rosy.net.cn/jx-callback/globals"
 	"io"
+	"io/ioutil"
 	"net"
 	"strings"
 	"time"
@@ -84,9 +85,11 @@ func handleConn(c net.Conn, t *TcpClient) error {
 	for {
 		var (
 			printNo string //打印机编号
-			buffer  = make([]byte, 1024)
+			//buffer  = make([]byte, 1024)
 		)
-		n, err := c.Read(buffer)
+		//n, err := c.Read(buffer)
+		//io.ReadFull(c, buffer)
+		buffer, err := ioutil.ReadAll(c)
 		if err != nil {
 			if err == io.EOF {
 				fmt.Println("connection close")
@@ -98,12 +101,12 @@ func handleConn(c net.Conn, t *TcpClient) error {
 		}
 
 		//看是心跳还是打印回调
-		data := hex.EncodeToString(buffer[:n])
-		if strings.Contains(string(buffer[0:n]), "print_no_clear") { // 清理缓存
+		data := hex.EncodeToString(buffer[:len(buffer)])
+		if strings.Contains(string(buffer[0:len(buffer)]), "print_no_clear") { // 清理缓存
 			param := struct {
 				PrintNoClear json.Number `json:"print_no_clear"`
 			}{}
-			if err := json.Unmarshal(buffer[0:n], &param); err != nil {
+			if err := json.Unmarshal(buffer[0:len(buffer)], &param); err != nil {
 				c.Write([]byte(err.Error()))
 				return err
 			}