diff --git a/src/main/java/bdchain/api/grpc/AccountingChainGrpc.java b/src/main/java/bdchain/api/grpc/AccountingChainGrpc.java
index e83b88a..4daa5f6 100644
--- a/src/main/java/bdchain/api/grpc/AccountingChainGrpc.java
+++ b/src/main/java/bdchain/api/grpc/AccountingChainGrpc.java
@@ -124,21 +124,21 @@ public final class AccountingChainGrpc {
   }
 
   private static volatile io.grpc.MethodDescriptor<bdchain.api.grpc.GetTransactionByHashRequest,
-      bdchain.api.grpc.Block> getGetTransactionByHashMethod;
+      bdchain.api.grpc.Transaction> getGetTransactionByHashMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "GetTransactionByHash",
       requestType = bdchain.api.grpc.GetTransactionByHashRequest.class,
-      responseType = bdchain.api.grpc.Block.class,
+      responseType = bdchain.api.grpc.Transaction.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
   public static io.grpc.MethodDescriptor<bdchain.api.grpc.GetTransactionByHashRequest,
-      bdchain.api.grpc.Block> getGetTransactionByHashMethod() {
-    io.grpc.MethodDescriptor<bdchain.api.grpc.GetTransactionByHashRequest, bdchain.api.grpc.Block> getGetTransactionByHashMethod;
+      bdchain.api.grpc.Transaction> getGetTransactionByHashMethod() {
+    io.grpc.MethodDescriptor<bdchain.api.grpc.GetTransactionByHashRequest, bdchain.api.grpc.Transaction> getGetTransactionByHashMethod;
     if ((getGetTransactionByHashMethod = AccountingChainGrpc.getGetTransactionByHashMethod) == null) {
       synchronized (AccountingChainGrpc.class) {
         if ((getGetTransactionByHashMethod = AccountingChainGrpc.getGetTransactionByHashMethod) == null) {
           AccountingChainGrpc.getGetTransactionByHashMethod = getGetTransactionByHashMethod = 
-              io.grpc.MethodDescriptor.<bdchain.api.grpc.GetTransactionByHashRequest, bdchain.api.grpc.Block>newBuilder()
+              io.grpc.MethodDescriptor.<bdchain.api.grpc.GetTransactionByHashRequest, bdchain.api.grpc.Transaction>newBuilder()
               .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
               .setFullMethodName(generateFullMethodName(
                   "bdchain.api.AccountingChain", "GetTransactionByHash"))
@@ -146,7 +146,7 @@ public final class AccountingChainGrpc {
               .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
                   bdchain.api.grpc.GetTransactionByHashRequest.getDefaultInstance()))
               .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
-                  bdchain.api.grpc.Block.getDefaultInstance()))
+                  bdchain.api.grpc.Transaction.getDefaultInstance()))
                   .setSchemaDescriptor(new AccountingChainMethodDescriptorSupplier("GetTransactionByHash"))
                   .build();
           }
@@ -270,7 +270,7 @@ public final class AccountingChainGrpc {
     /**
      */
     public void getTransactionByHash(bdchain.api.grpc.GetTransactionByHashRequest request,
-        io.grpc.stub.StreamObserver<bdchain.api.grpc.Block> responseObserver) {
+        io.grpc.stub.StreamObserver<bdchain.api.grpc.Transaction> responseObserver) {
       asyncUnimplementedUnaryCall(getGetTransactionByHashMethod(), responseObserver);
     }
 
@@ -316,7 +316,7 @@ public final class AccountingChainGrpc {
             asyncUnaryCall(
               new MethodHandlers<
                 bdchain.api.grpc.GetTransactionByHashRequest,
-                bdchain.api.grpc.Block>(
+                bdchain.api.grpc.Transaction>(
                   this, METHODID_GET_TRANSACTION_BY_HASH)))
           .addMethod(
             getGetTransactionByBlockNumberAndIndexMethod(),
@@ -381,7 +381,7 @@ public final class AccountingChainGrpc {
     /**
      */
     public void getTransactionByHash(bdchain.api.grpc.GetTransactionByHashRequest request,
-        io.grpc.stub.StreamObserver<bdchain.api.grpc.Block> responseObserver) {
+        io.grpc.stub.StreamObserver<bdchain.api.grpc.Transaction> responseObserver) {
       asyncUnaryCall(
           getChannel().newCall(getGetTransactionByHashMethod(), getCallOptions()), request, responseObserver);
     }
@@ -444,7 +444,7 @@ public final class AccountingChainGrpc {
 
     /**
      */
-    public bdchain.api.grpc.Block getTransactionByHash(bdchain.api.grpc.GetTransactionByHashRequest request) {
+    public bdchain.api.grpc.Transaction getTransactionByHash(bdchain.api.grpc.GetTransactionByHashRequest request) {
       return blockingUnaryCall(
           getChannel(), getGetTransactionByHashMethod(), getCallOptions(), request);
     }
@@ -508,7 +508,7 @@ public final class AccountingChainGrpc {
 
     /**
      */
-    public com.google.common.util.concurrent.ListenableFuture<bdchain.api.grpc.Block> getTransactionByHash(
+    public com.google.common.util.concurrent.ListenableFuture<bdchain.api.grpc.Transaction> getTransactionByHash(
         bdchain.api.grpc.GetTransactionByHashRequest request) {
       return futureUnaryCall(
           getChannel().newCall(getGetTransactionByHashMethod(), getCallOptions()), request);
@@ -569,7 +569,7 @@ public final class AccountingChainGrpc {
           break;
         case METHODID_GET_TRANSACTION_BY_HASH:
           serviceImpl.getTransactionByHash((bdchain.api.grpc.GetTransactionByHashRequest) request,
-              (io.grpc.stub.StreamObserver<bdchain.api.grpc.Block>) responseObserver);
+              (io.grpc.stub.StreamObserver<bdchain.api.grpc.Transaction>) responseObserver);
           break;
         case METHODID_GET_TRANSACTION_BY_BLOCK_NUMBER_AND_INDEX:
           serviceImpl.getTransactionByBlockNumberAndIndex((bdchain.api.grpc.GetTransactionByBlockNumberAndIndexRequest) request,
diff --git a/src/main/java/bdchain/api/grpc/AccountingChainProto.java b/src/main/java/bdchain/api/grpc/AccountingChainProto.java
index d20a014..d39e2f3 100644
--- a/src/main/java/bdchain/api/grpc/AccountingChainProto.java
+++ b/src/main/java/bdchain/api/grpc/AccountingChainProto.java
@@ -93,23 +93,23 @@ public final class AccountingChainProto {
       "k_number\030\002 \001(\004\022\r\n\005index\030\003 \001(\r\"]\n(GetTran" +
       "sactionByBlockHashAndIndexRequest\022\016\n\006led" +
       "ger\030\001 \001(\t\022\022\n\nblock_hash\030\002 \001(\014\022\r\n\005index\030\003" +
-      " \001(\r2\301\004\n\017AccountingChain\022P\n\013BlockNumber\022" +
+      " \001(\r2\307\004\n\017AccountingChain\022P\n\013BlockNumber\022" +
       "\037.bdchain.api.BlockNumberRequest\032 .bdcha" +
       "in.api.BlockNumberResponse\022L\n\020GetBlockBy" +
       "Number\022$.bdchain.api.GetBlockByNumberReq" +
       "uest\032\022.bdchain.api.Block\022H\n\016GetBlockByHa" +
       "sh\022\".bdchain.api.GetBlockByHashRequest\032\022" +
-      ".bdchain.api.Block\022T\n\024GetTransactionByHa" +
+      ".bdchain.api.Block\022Z\n\024GetTransactionByHa" +
       "sh\022(.bdchain.api.GetTransactionByHashReq" +
-      "uest\032\022.bdchain.api.Block\022x\n#GetTransacti" +
-      "onByBlockNumberAndIndex\0227.bdchain.api.Ge" +
-      "tTransactionByBlockNumberAndIndexRequest" +
-      "\032\030.bdchain.api.Transaction\022t\n!GetTransac" +
-      "tionByBlockHashAndIndex\0225.bdchain.api.Ge" +
-      "tTransactionByBlockHashAndIndexRequest\032\030" +
-      ".bdchain.api.TransactionB@\n\020bdchain.api." +
-      "grpcB\024AccountingChainProtoP\001Z\024bdchain/ap" +
-      "i/ac_chainb\006proto3"
+      "uest\032\030.bdchain.api.Transaction\022x\n#GetTra" +
+      "nsactionByBlockNumberAndIndex\0227.bdchain." +
+      "api.GetTransactionByBlockNumberAndIndexR" +
+      "equest\032\030.bdchain.api.Transaction\022t\n!GetT" +
+      "ransactionByBlockHashAndIndex\0225.bdchain." +
+      "api.GetTransactionByBlockHashAndIndexReq" +
+      "uest\032\030.bdchain.api.TransactionB@\n\020bdchai" +
+      "n.api.grpcB\024AccountingChainProtoP\001Z\024bdch" +
+      "ain/api/ac_chainb\006proto3"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
         new com.google.protobuf.Descriptors.FileDescriptor.    InternalDescriptorAssigner() {