diff --git a/web/src/main/java/com/zhehekeji/web/service/RFID/RFIDSocket.java b/web/src/main/java/com/zhehekeji/web/service/RFID/RFIDSocket.java
index a1aefa9..595abaa 100644
--- a/web/src/main/java/com/zhehekeji/web/service/RFID/RFIDSocket.java
+++ b/web/src/main/java/com/zhehekeji/web/service/RFID/RFIDSocket.java
@@ -179,38 +179,27 @@ public class RFIDSocket {
                     if(!running){
                         break;
                     }
+                    byte []antChanges =  new byte[6];
+                    antChanges[0] = (byte)0xa0;
+                    antChanges[1] = (byte)0x04;
+                    antChanges[2] = (byte)0x22;
+                    antChanges[3] = (byte)0x74;
                     if(i % 2 == 0){
                         //切换天线 使用天线0
-                        byte[]bytes = new byte[6];
-                        bytes[0] = (byte)0xa0;
-                        bytes[1] = (byte)0x04;
-                        bytes[2] = (byte)0x22;
-                        bytes[3] = (byte)0x74;
-                        bytes[4] = (byte)0x00;
-                        bytes[5] = (byte)0xc6;
-                        try {
-                            os.write(bytes);
-                            Thread.sleep(70);
-                        } catch (InterruptedException | IOException e) {
-                            log.error("send cmd error:{}",e);
-                        }
+                        antChanges[4] = (byte)0x00;
+                        antChanges[5] = (byte)0xc6;
                     }else {
                         //切换天线 使用天线1
-                        byte[]bytes = new byte[6];
-                        bytes[0] = (byte)0xa0;
-                        bytes[1] = (byte)0x04;
-                        bytes[2] = (byte)0x22;
-                        bytes[3] = (byte)0x74;
-                        bytes[4] = (byte)0x01;
-                        bytes[5] = (byte)0xc5;
-                        try {
-                            os.write(bytes);
-                            Thread.sleep(70);
-                        } catch (InterruptedException | IOException e) {
-                            log.error("send cmd error:{}",e);
-                        }
+                        antChanges[4] = (byte)0x01;
+                        antChanges[5] = (byte)0xc5;
                     }
                     i++;
+                    try {
+                        os.write(antChanges);
+                        Thread.sleep(10);
+                    } catch (InterruptedException | IOException e) {
+                        log.error("send cmd error:{}",e);
+                    }
                     byte[]bytes = new byte[5];
                     bytes[0] = (byte)0xa0;
                     bytes[1] = (byte)0x03;