diff --git a/sec-beidou/src/main/resources/templates/page/cmd_line.html b/sec-beidou/src/main/resources/templates/page/cmd_line.html
index 0311bac4..460d8657 100644
--- a/sec-beidou/src/main/resources/templates/page/cmd_line.html
+++ b/sec-beidou/src/main/resources/templates/page/cmd_line.html
@@ -153,9 +153,8 @@
 		//接收信息
 		websocket.onmessage = function (event) {
 			var rxWin = layui.$('#rx_win');
-			rxWin.val(rxWin.val()+event.data + "\r\n");
-			var obj = document.getElementById("rx_win");
-			obj.scrollTop = obj.scrollHeight;
+			rxWin.append(event.data + "\r\n");
+			rxWin.scrollTop = rxWin.scrollHeight;
 		}
 	}
 </script>