diff --git a/README.md b/README.md
index 3a42fa6..939dc3a 100644
--- a/README.md
+++ b/README.md
@@ -20,5 +20,5 @@ java.rmi.server.hostname=Slave_IP  # 绑定本机网卡IP，避免多网卡问
 Windows: 双击 jmeter-server.bat
 Linux/Mac: 运行 ./jmeter-server
 
-
+./jmeter-server -Djava.rmi.server.hostname=172.1.41.24 -Dserver.rmi.localport=1099
 
diff --git a/src/main/java/racal/sunyard/main/SydApi4j.java b/src/main/java/racal/sunyard/main/SydApi4j.java
index 77a5542..fc84e7a 100644
--- a/src/main/java/racal/sunyard/main/SydApi4j.java
+++ b/src/main/java/racal/sunyard/main/SydApi4j.java
@@ -7745,7 +7745,7 @@ public class SydApi4j implements SydApi {
 
         // 填充数据
         PacketSN sn = PacketSN.gen();
-        final int packLen = 4064; // 2048
+        final int packLen = 8192; //4064  // 2048
         int loop = msg.length / packLen;
         if (msg.length % packLen > 0) {
             loop++;
@@ -7801,7 +7801,7 @@ public class SydApi4j implements SydApi {
             }
 
 
-            ByteBuffer bb = ByteBuffer.allocate(5 * 1024);
+            ByteBuffer bb = ByteBuffer.allocate(10 * 1024 );
 
             byte[] ret = new byte[2];
             bb.put(ret);
diff --git a/src/test/java/cmbpoc/PerformanceTest.java b/src/test/java/cmbpoc/PerformanceTest.java
index ee2eaec..00da06b 100644
--- a/src/test/java/cmbpoc/PerformanceTest.java
+++ b/src/test/java/cmbpoc/PerformanceTest.java
@@ -20,7 +20,9 @@ public class PerformanceTest {
     @Before
     public void start() {
         System.setProperty("com.sunyard.sydapi4j.debug", "false");
-        this.api = (SydApi4j) new SydApi4j().connect("192.168.100.145", 8889, null, 30000);
+        String ip = System.getProperty("ip", "192.168.100.145");
+        System.out.println("ip=" + ip);
+        this.api = (SydApi4j) new SydApi4j().connect(ip, 8889, null, 30000);
         this.publicKey4Ende = Util.hexString2Bytes("03420004AF3D4E55D26564C6C937E6EA9232691C01AC5E7916AD2136F788CE7C1E4D0AE8C4754DEC2F7F6A78962D51A171A6F5B4F11823390AEC8B5B0246CD2CCF8052B7");
         this.privateKey4Ende = Util.hexString2Bytes("00010000963F7C3A98B7810F52D2861A060E18A9D4D59796CF33967DD61EEDA091E1AD9B0000000000000000000000000000000000000000000000000000000000000000");
     }