diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index a423d5a65..6b786befc 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -59,13 +59,13 @@ func (t *TcpClient) handleConn(c net.Conn) {
 		if strings.Contains(string(buffer[0:n]), "print_no") { // 清理缓存
 			globals.SugarLogger.Debugf("=========buffer %s", string(buffer[0:n]))
 			param := struct {
-				PrintNo string `json:"print_no"`
+				PrintNo json.Number `json:"print_no"`
 			}{}
 			if err := json.Unmarshal(buffer[0:n], &param); err != nil {
 				c.Write([]byte(err.Error()))
 				return
 			}
-			t.buildMsgMap(param.PrintNo)
+			t.buildMsgMap(param.PrintNo.String())
 			c.Write([]byte("ok"))
 			return
 		}