diff --git a/build.gradle b/build.gradle
index 82fb4f8a2..f88ea57b0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -231,7 +231,7 @@ 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/contract/auth/po/ProposalInfo.java b/src/main/java/org/fisco/bcos/sdk/v3/contract/auth/po/ProposalInfo.java
index 9440882b0..0da0d1684 100644
--- a/src/main/java/org/fisco/bcos/sdk/v3/contract/auth/po/ProposalInfo.java
+++ b/src/main/java/org/fisco/bcos/sdk/v3/contract/auth/po/ProposalInfo.java
@@ -1,6 +1,7 @@
 package org.fisco.bcos.sdk.v3.contract.auth.po;
 
 import java.math.BigInteger;
+import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 import org.fisco.bcos.sdk.v3.codec.datatypes.Address;
@@ -20,13 +21,14 @@ public class ProposalInfo extends DynamicStruct {
     private List<String> againstVoters;
 
     public ProposalInfo() {
-        super(
-                new Address(""),
-                new Uint8(0),
-                new Uint256(0),
-                new Uint8(0),
-                new DynamicArray<>(Address.class),
-                new DynamicArray<>(Address.class));
+        this(
+                Address.DEFAULT.getValue(),
+                Address.DEFAULT.getValue(),
+                0,
+                BigInteger.ZERO,
+                0,
+                Collections.emptyList(),
+                Collections.emptyList());
     }
 
     public ProposalInfo(
diff --git a/src/test/java/org/fisco/bcos/sdk/v3/test/contract/auth/ProposalInfoTest.java b/src/test/java/org/fisco/bcos/sdk/v3/test/contract/auth/ProposalInfoTest.java
new file mode 100644
index 000000000..656293d96
--- /dev/null
+++ b/src/test/java/org/fisco/bcos/sdk/v3/test/contract/auth/ProposalInfoTest.java
@@ -0,0 +1,21 @@
+package org.fisco.bcos.sdk.v3.test.contract.auth;
+
+import org.fisco.bcos.sdk.v3.codec.datatypes.Address;
+import org.fisco.bcos.sdk.v3.contract.auth.po.ProposalInfo;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ProposalInfoTest {
+
+    @Test
+    public void testDefaultConstructor() {
+        ProposalInfo proposalInfo = new ProposalInfo();
+
+        Assert.assertEquals(7, proposalInfo.getValue().size());
+        Assert.assertEquals(
+                "(address,address,uint8,uint256,uint8,address[],address[])",
+                proposalInfo.getTypeAsString());
+        Assert.assertEquals(Address.DEFAULT, proposalInfo.getValue().get(0));
+        Assert.assertEquals(Address.DEFAULT, proposalInfo.getValue().get(1));
+    }
+}
diff --git a/src/test/java/org/fisco/bcos/sdk/v3/test/transaction/DecodeAndPojoCoverageTest.java b/src/test/java/org/fisco/bcos/sdk/v3/test/transaction/DecodeAndPojoCoverageTest.java
index 7dd53715f..9122d4910 100644
--- a/src/test/java/org/fisco/bcos/sdk/v3/test/transaction/DecodeAndPojoCoverageTest.java
+++ b/src/test/java/org/fisco/bcos/sdk/v3/test/transaction/DecodeAndPojoCoverageTest.java
@@ -180,16 +180,16 @@ public void testProposalInfoStringConstructor() {
     }
 
     @Test
-    public void testProposalInfoDefaultConstructorThrowsOnEmptyAddress() {
-        // Characterization test: new ProposalInfo() builds new Address("") which calls
-        // Numeric.toBigInt("") and throws NumberFormatException. Documents current behavior of the
-        // no-arg constructor (a possible latent issue on the chain-decode path).
-        try {
-            new ProposalInfo();
-            Assert.fail("expected NumberFormatException from empty Address");
-        } catch (NumberFormatException expected) {
-            // expected
-        }
+    public void testProposalInfoDefaultConstructorSucceeds() {
+        // The no-arg constructor now delegates to the 7-arg constructor using zero-address defaults,
+        // so it must not throw and must initialize all POJO fields.
+        ProposalInfo proposalInfo = new ProposalInfo();
+        Assert.assertNotNull(proposalInfo);
+        Assert.assertEquals(7, proposalInfo.getValue().size());
+        Assert.assertNotNull(proposalInfo.getResourceId());
+        Assert.assertNotNull(proposalInfo.getProposer());
+        Assert.assertNotNull(proposalInfo.getAgreeVoters());
+        Assert.assertNotNull(proposalInfo.getAgainstVoters());
     }
 
     // ----------------------------------------------------------------------------------