修改路灯服务，打印

lamp-service/src/main/java/com/zksy/lamp/server/ExecutionServer.java

@@ -39,6 +39,8 @@ public class ExecutionServer {
     }
 
     public String ExecutionData(String data) {
+        System.out.println("writer==================="+writer);
+        System.out.println("reader==================="+reader);
         try {
             String msg = "AT+STACH1=1\r\n";
             System.out.println("第1路闭合，发送指令：AT+STACH1=1\\r\\n");
@@ -48,6 +50,11 @@ public class ExecutionServer {
             //读数据
             msg = reader.readLine();
             System.out.println("msg================："+msg);
+            if (msg != null) {
+                msg = msg.replace("\r\n", "\\r\\n");
+            } else {
+                msg = "发送指令成功：没有返回信息";
+            }
             msg = msg.replace("\r\n", "\\r\\n");
             System.out.println("设备应答：" + msg);
             System.out.println("指令执行成功!");