diff --git a/build.gradle b/build.gradle
index 69bd4b127..b1c142e3a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -230,7 +230,7 @@ publishing {
             pom {
                 name = 'fisco-bcos'
                 description = 'fisco-bcos java-sdk'
-                url = 'http://www.fisco-bcos.org'
+                url = 'https://github.com/FISCO-BCOS/java-sdk'
 
                 licenses {
                     license {
diff --git a/src/main/java/org/fisco/bcos/sdk/v3/transaction/manager/transactionv1/AssembleEIP1559TransactionService.java b/src/main/java/org/fisco/bcos/sdk/v3/transaction/manager/transactionv1/AssembleEIP1559TransactionService.java
index b6fc893d0..3c96154a7 100644
--- a/src/main/java/org/fisco/bcos/sdk/v3/transaction/manager/transactionv1/AssembleEIP1559TransactionService.java
+++ b/src/main/java/org/fisco/bcos/sdk/v3/transaction/manager/transactionv1/AssembleEIP1559TransactionService.java
@@ -17,7 +17,7 @@
 
 public class AssembleEIP1559TransactionService extends AssembleTransactionService {
 
-    AssembleEIP1559TransactionService(Client client) {
+    public AssembleEIP1559TransactionService(Client client) {
         super(client);
     }
 
diff --git a/src/test/java/org/fisco/bcos/sdk/v3/test/transaction/manager/AssembleEIP1559TransactionServiceTest.java b/src/test/java/org/fisco/bcos/sdk/v3/test/transaction/manager/AssembleEIP1559TransactionServiceTest.java
new file mode 100644
index 000000000..174f6f8e5
--- /dev/null
+++ b/src/test/java/org/fisco/bcos/sdk/v3/test/transaction/manager/AssembleEIP1559TransactionServiceTest.java
@@ -0,0 +1,27 @@
+package org.fisco.bcos.sdk.v3.test.transaction.manager;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import org.fisco.bcos.sdk.v3.client.Client;
+import org.fisco.bcos.sdk.v3.crypto.CryptoSuite;
+import org.fisco.bcos.sdk.v3.model.CryptoType;
+import org.fisco.bcos.sdk.v3.transaction.manager.transactionv1.AssembleEIP1559TransactionService;
+import org.fisco.bcos.sdk.v3.transaction.manager.transactionv1.AssembleTransactionService;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class AssembleEIP1559TransactionServiceTest {
+    @Test
+    public void shouldInstantiateOutsideTransactionV1Package() {
+        Client client = mock(Client.class);
+        when(client.getCryptoSuite()).thenReturn(new CryptoSuite(CryptoType.ECDSA_TYPE));
+        when(client.isWASM()).thenReturn(false);
+        when(client.isSupportTransactionV1()).thenReturn(true);
+
+        AssembleEIP1559TransactionService service = new AssembleEIP1559TransactionService(client);
+
+        Assert.assertNotNull(service);
+        Assert.assertTrue(service instanceof AssembleTransactionService);
+    }
+}