diff --git a/src/main/java/com/telpo/dipperposition/common/SocketClient.java b/src/main/java/com/telpo/dipperposition/common/SocketClient.java
index 3dc7473..b017c6a 100644
--- a/src/main/java/com/telpo/dipperposition/common/SocketClient.java
+++ b/src/main/java/com/telpo/dipperposition/common/SocketClient.java
@@ -38,7 +38,7 @@ public class SocketClient {
     }
 
 
-    public byte[] sendCmd(String astCmd, String ackAckCheckRef) {
+    public String sendCmd(String astCmd, String ackAckCheckRef) {
         try {
             OutputStream os=socket.getOutputStream();
             PrintWriter pw=new PrintWriter(os);
@@ -79,8 +79,8 @@ public class SocketClient {
             pw.close();
             os.close();
             //log.debug(ackResult);
-            log.debug("接收服务器的信息："+in2b.toString());
-            return in2b;
+            log.debug("接收服务器的信息："+HexConvert.BinaryToHexString(in2b));
+            return HexConvert.BinaryToHexString(in2b);
         } catch (IOException e) {
             log.error("Socket sendCmd Error:" + e.getMessage());
             return null;
diff --git a/src/main/java/com/telpo/dipperposition/handler/NettyServerHandler.java b/src/main/java/com/telpo/dipperposition/handler/NettyServerHandler.java
index 193a9ca..c552c23 100644
--- a/src/main/java/com/telpo/dipperposition/handler/NettyServerHandler.java
+++ b/src/main/java/com/telpo/dipperposition/handler/NettyServerHandler.java
@@ -139,8 +139,8 @@ public class NettyServerHandler extends ChannelInboundHandlerAdapter {
         // 从缓存获取SDBP-AST-EPH星历数
         //if (Integer.parseInt(starsAsycServerPort) == channel.localAddress().getPort()) {
         if (AST_POS_CMD.equals(recvmg)) {
-            byte[] astEPHBytes = dipperDataAsyncTaskService.getAstEPH();
-            buf = Unpooled.buffer(astEPHBytes.length);
+            String astEPHBytes = dipperDataAsyncTaskService.getAstEPH();
+            buf = Unpooled.buffer(astEPHBytes.getBytes().length);
         }
 
 
diff --git a/src/main/java/com/telpo/dipperposition/service/IDipperDataAsyncTaskService.java b/src/main/java/com/telpo/dipperposition/service/IDipperDataAsyncTaskService.java
index ec70f9e..708e6df 100644
--- a/src/main/java/com/telpo/dipperposition/service/IDipperDataAsyncTaskService.java
+++ b/src/main/java/com/telpo/dipperposition/service/IDipperDataAsyncTaskService.java
@@ -23,6 +23,6 @@ public interface IDipperDataAsyncTaskService {
    * 根据IP获取EPH
    *
    */
-  byte[] getAstEPH();
+  String getAstEPH();
 
 }
diff --git a/src/main/java/com/telpo/dipperposition/service/impl/DipperDataAsyncTaskServiceImpl.java b/src/main/java/com/telpo/dipperposition/service/impl/DipperDataAsyncTaskServiceImpl.java
index 72b3a0a..aec944e 100644
--- a/src/main/java/com/telpo/dipperposition/service/impl/DipperDataAsyncTaskServiceImpl.java
+++ b/src/main/java/com/telpo/dipperposition/service/impl/DipperDataAsyncTaskServiceImpl.java
@@ -32,7 +32,7 @@ public class DipperDataAsyncTaskServiceImpl implements IDipperDataAsyncTaskServi
     @Override
     public void pullAstEPH() {
         // (1) 发送bds获取星历数据
-        byte[] dipperData = pullEPHFromDipper();
+        String dipperData = pullEPHFromDipper();
 
         // (2) 获取星历数据
         if (dipperData == null) {
@@ -44,7 +44,7 @@ public class DipperDataAsyncTaskServiceImpl implements IDipperDataAsyncTaskServi
     }
 
 
-    private byte[] pullEPHFromDipper() {
+    private String pullEPHFromDipper() {
 
         // 创建Socket客户端实例;
         SocketClient client = new SocketClient(schedulingExecutorConfig.getAstServer(), schedulingExecutorConfig.getEphAstHexPort(),schedulingExecutorConfig.getAstTimeout());
@@ -54,7 +54,7 @@ public class DipperDataAsyncTaskServiceImpl implements IDipperDataAsyncTaskServi
         String hexIn = astTimeCmd + HexConvert.makeChecksum(astTimeCmd);
 
         String ackAckCheckRef = "233E010102000421293C";
-        byte[] sendResult = client.sendCmd(hexIn, ackAckCheckRef);
+        String sendResult = client.sendCmd(hexIn, ackAckCheckRef);
         client.closeConnection();
 
         return sendResult;
@@ -62,7 +62,7 @@ public class DipperDataAsyncTaskServiceImpl implements IDipperDataAsyncTaskServi
 
     @Override
     @Async("asyncServiceExecutor")
-    public byte[] getAstEPH(){
-        return (byte[])redisUtil.get(DIPPER_DATA_KEY);
+    public String getAstEPH(){
+        return (String)redisUtil.get(DIPPER_DATA_KEY);
     }
 }