diff --git a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/CipherClient.java b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/CipherClient.java
index 85146e320ae..14f8caf2792 100644
--- a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/CipherClient.java
+++ b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/CipherClient.java
@@ -449,8 +449,17 @@ public class CipherClient {
         String dateTime = String.valueOf(timestamp);
         int time = fbBuilder.createString(dateTime);
 
-        int exchangeKeysRoot = RequestExchangeKeys.createRequestExchangeKeys(fbBuilder, id, cpk, spk, iteration, time
-                , indIvFbs, pwIvFbs, pwSaltFbs);
+        // start build
+        RequestExchangeKeys.startRequestExchangeKeys(fbBuilder);
+        RequestExchangeKeys.addFlId(fbBuilder, id);
+        RequestExchangeKeys.addCPk(fbBuilder, cpk);
+        RequestExchangeKeys.addSPk(fbBuilder, spk);
+        RequestExchangeKeys.addIteration(fbBuilder, iteration);
+        RequestExchangeKeys.addTimestamp(fbBuilder, time);
+        RequestExchangeKeys.addIndIv(fbBuilder, indIvFbs);
+        RequestExchangeKeys.addPwIv(fbBuilder, pwIvFbs);
+        RequestExchangeKeys.addPwSalt(fbBuilder, pwSaltFbs);
+        int exchangeKeysRoot = RequestExchangeKeys.endRequestExchangeKeys(fbBuilder);
         fbBuilder.finish(exchangeKeysRoot);
         byte[] msg = fbBuilder.sizedByteArray();
         String url = Common.generateUrl(flParameter.isUseElb(), flParameter.getServerNum(),
@@ -508,7 +517,13 @@ public class CipherClient {
         long timestamp = date.getTime();
         String dateTime = String.valueOf(timestamp);
         int time = fbBuilder.createString(dateTime);
-        int getExchangeKeysRoot = GetExchangeKeys.createGetExchangeKeys(fbBuilder, id, iteration, time);
+
+        // start build
+        GetExchangeKeys.startGetExchangeKeys(fbBuilder);
+        GetExchangeKeys.addFlId(fbBuilder, id);
+        GetExchangeKeys.addIteration(fbBuilder, iteration);
+        GetExchangeKeys.addTimestamp(fbBuilder, time);
+        int getExchangeKeysRoot = GetExchangeKeys.endGetExchangeKeys(fbBuilder);
         fbBuilder.finish(getExchangeKeysRoot);
         byte[] msg = fbBuilder.sizedByteArray();
         String url = Common.generateUrl(flParameter.isUseElb(), flParameter.getServerNum(),
@@ -626,8 +641,14 @@ public class CipherClient {
                 add[i] = clientShareRoot;
             }
             int encryptedSharesFbs = RequestShareSecrets.createEncryptedSharesVector(fbBuilder, add);
-            int requestShareSecretsRoot = RequestShareSecrets.createRequestShareSecrets(fbBuilder, id,
-                    encryptedSharesFbs, iteration, time);
+
+            // start build
+            RequestShareSecrets.startRequestShareSecrets(fbBuilder);
+            RequestShareSecrets.addFlId(fbBuilder, id);
+            RequestShareSecrets.addEncryptedShares(fbBuilder, encryptedSharesFbs);
+            RequestShareSecrets.addIteration(fbBuilder, iteration);
+            RequestShareSecrets.addTimestamp(fbBuilder, time);
+            int requestShareSecretsRoot = RequestShareSecrets.endRequestShareSecrets(fbBuilder);
             fbBuilder.finish(requestShareSecretsRoot);
             byte[] msg = fbBuilder.sizedByteArray();
             String url = Common.generateUrl(flParameter.isUseElb(), flParameter.getServerNum(),
@@ -686,7 +707,12 @@ public class CipherClient {
         long timestamp = date.getTime();
         String dateTime = String.valueOf(timestamp);
         int time = fbBuilder.createString(dateTime);
-        int getShareSecrets = GetShareSecrets.createGetShareSecrets(fbBuilder, id, iteration, time);
+
+        GetShareSecrets.startGetShareSecrets(fbBuilder);
+        GetShareSecrets.addFlId(fbBuilder, id);
+        GetShareSecrets.addIteration(fbBuilder, iteration);
+        GetShareSecrets.addTimestamp(fbBuilder, time);
+        int getShareSecrets = GetShareSecrets.endGetShareSecrets(fbBuilder);
         fbBuilder.finish(getShareSecrets);
         byte[] msg = fbBuilder.sizedByteArray();
         String url = Common.generateUrl(flParameter.isUseElb(), flParameter.getServerNum(),
diff --git a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/GetModel.java b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/GetModel.java
index 8cb7b5851d3..495abadf14e 100644
--- a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/GetModel.java
+++ b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/GetModel.java
@@ -260,7 +260,11 @@ public class GetModel {
         }
 
         private byte[] build() {
-            int root = RequestGetModel.createRequestGetModel(this.builder, nameOffset, iteration, timeStampOffset);
+            RequestGetModel.startRequestGetModel(builder);
+            RequestGetModel.addFlName(builder, nameOffset);
+            RequestGetModel.addIteration(builder, iteration);
+            RequestGetModel.addTimestamp(builder, timeStampOffset);
+            int root = RequestGetModel.endRequestGetModel(builder);
             builder.finish(root);
             return builder.sizedByteArray();
         }
diff --git a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/StartFLJob.java b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/StartFLJob.java
index bd600ffd84a..1333d7def24 100644
--- a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/StartFLJob.java
+++ b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/StartFLJob.java
@@ -141,8 +141,13 @@ public class StartFLJob {
          * @return byte[] data
          */
         public byte[] build() {
-            int root = RequestFLJob.createRequestFLJob(this.builder, this.nameOffset, this.idOffset, this.iteration,
-                    this.dataSize, this.timestampOffset);
+            RequestFLJob.startRequestFLJob(this.builder);
+            RequestFLJob.addFlName(builder, nameOffset);
+            RequestFLJob.addFlId(builder, idOffset);
+            RequestFLJob.addIteration(builder, iteration);
+            RequestFLJob.addDataSize(builder, dataSize);
+            RequestFLJob.addTimestamp(builder, timestampOffset);
+            int root = RequestFLJob.endRequestFLJob(builder);
             builder.finish(root);
             return builder.sizedByteArray();
         }
diff --git a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/cipher/ClientListReq.java b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/cipher/ClientListReq.java
index 4d318c6d5b7..f4b9b9b3c8f 100644
--- a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/cipher/ClientListReq.java
+++ b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/cipher/ClientListReq.java
@@ -91,7 +91,12 @@ public class ClientListReq {
         long timestamp = date.getTime();
         String dateTime = String.valueOf(timestamp);
         int time = builder.createString(dateTime);
-        int clientListRoot = GetClientList.createGetClientList(builder, id, iteration, time);
+
+        GetClientList.startGetClientList(builder);
+        GetClientList.addFlId(builder, id);
+        GetClientList.addIteration(builder, iteration);
+        GetClientList.addTimestamp(builder, time);
+        int clientListRoot = GetClientList.endGetClientList(builder);
         builder.finish(clientListRoot);
         byte[] msg = builder.sizedByteArray();
         String url = Common.generateUrl(flParameter.isUseElb(), flParameter.getServerNum(), flParameter.getDomainName());
diff --git a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/cipher/ReconstructSecretReq.java b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/cipher/ReconstructSecretReq.java
index 8b7e750f101..2cdfb63d0c6 100644
--- a/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/cipher/ReconstructSecretReq.java
+++ b/mindspore/lite/java/java/fl_client/src/main/java/com/mindspore/flclient/cipher/ReconstructSecretReq.java
@@ -106,8 +106,12 @@ public class ReconstructSecretReq {
             }
             int reconstructShareSecrets = SendReconstructSecret.createReconstructSecretSharesVector(builder,
                     decryptShareList);
-            int reconstructSecretRoot = SendReconstructSecret.createSendReconstructSecret(builder, desFlId,
-                    reconstructShareSecrets, iteration, time);
+            SendReconstructSecret.startSendReconstructSecret(builder);
+            SendReconstructSecret.addFlId(builder, desFlId);
+            SendReconstructSecret.addReconstructSecretShares(builder, reconstructShareSecrets);
+            SendReconstructSecret.addIteration(builder, iteration);
+            SendReconstructSecret.addTimestamp(builder, time);
+            int reconstructSecretRoot = SendReconstructSecret.endSendReconstructSecret(builder);
             builder.finish(reconstructSecretRoot);
             byte[] msg = builder.sizedByteArray();
             try {