diff --git a/src/Neo.Json/JArray.cs b/src/Neo.Json/JArray.cs
index 903f29941b..5ac193e1eb 100644
--- a/src/Neo.Json/JArray.cs
+++ b/src/Neo.Json/JArray.cs
@@ -67,7 +67,7 @@ public void Add(JToken? item)
 
         public override string AsString()
         {
-            return string.Join(",", items.Select(p => p?.AsString()));
+            return ToString();
         }
 
         public override void Clear()
diff --git a/tests/Neo.Json.UnitTests/UT_JArray.cs b/tests/Neo.Json.UnitTests/UT_JArray.cs
index 1538dfe558..768f9a8f89 100644
--- a/tests/Neo.Json.UnitTests/UT_JArray.cs
+++ b/tests/Neo.Json.UnitTests/UT_JArray.cs
@@ -252,7 +252,7 @@ public void TestAsString()
                 bob,
             };
             var s = jArray.AsString();
-            Assert.AreEqual(s, "{\"name\":\"alice\",\"age\":30,\"score\":100.001,\"gender\":\"female\",\"isMarried\":true,\"pet\":{\"name\":\"Tom\",\"type\":\"cat\"}},{\"name\":\"bob\",\"age\":100000,\"score\":0.001,\"gender\":\"male\",\"isMarried\":false,\"pet\":{\"name\":\"Paul\",\"type\":\"dog\"}}");
+            Assert.AreEqual(s, "[{\"name\":\"alice\",\"age\":30,\"score\":100.001,\"gender\":\"female\",\"isMarried\":true,\"pet\":{\"name\":\"Tom\",\"type\":\"cat\"}},{\"name\":\"bob\",\"age\":100000,\"score\":0.001,\"gender\":\"male\",\"isMarried\":false,\"pet\":{\"name\":\"Paul\",\"type\":\"dog\"}}]");
         }
 
         [TestMethod]
@@ -325,5 +325,97 @@ public void TestReadOnlyBehavior()
             var jArray = new JArray();
             jArray.IsReadOnly.Should().BeFalse();
         }
+
+        [TestMethod]
+        public void TestAddNull()
+        {
+            var jArray = new JArray { null };
+
+            jArray.Count.Should().Be(1);
+            jArray[0].Should().BeNull();
+        }
+
+        [TestMethod]
+        public void TestSetNull()
+        {
+            var jArray = new JArray { alice };
+            jArray[0] = null;
+
+            jArray.Count.Should().Be(1);
+            jArray[0].Should().BeNull();
+        }
+
+        [TestMethod]
+        public void TestInsertNull()
+        {
+            var jArray = new JArray { alice };
+            jArray.Insert(0, null);
+
+            jArray.Count.Should().Be(2);
+            jArray[0].Should().BeNull();
+            jArray[1].Should().Be(alice);
+        }
+
+        [TestMethod]
+        public void TestRemoveNull()
+        {
+            var jArray = new JArray { null, alice };
+            jArray.Remove(null);
+
+            jArray.Count.Should().Be(1);
+            jArray[0].Should().Be(alice);
+        }
+
+        [TestMethod]
+        public void TestContainsNull()
+        {
+            var jArray = new JArray { null, alice };
+            jArray.Contains(null).Should().BeTrue();
+            jArray.Contains(bob).Should().BeFalse();
+        }
+
+        [TestMethod]
+        public void TestIndexOfNull()
+        {
+            var jArray = new JArray { null, alice };
+            jArray.IndexOf(null).Should().Be(0);
+            jArray.IndexOf(alice).Should().Be(1);
+        }
+
+        [TestMethod]
+        public void TestCopyToWithNull()
+        {
+            var jArray = new JArray { null, alice };
+            JObject[] jObjects = new JObject[2];
+            jArray.CopyTo(jObjects, 0);
+
+            jObjects[0].Should().BeNull();
+            jObjects[1].Should().Be(alice);
+        }
+
+        [TestMethod]
+        public void TestToStringWithNull()
+        {
+            var jArray = new JArray { null, alice, bob };
+            var jsonString = jArray.ToString();
+            var asString = jArray.AsString();
+            // JSON string should properly represent the null value
+            jsonString.Should().Be("[null,{\"name\":\"alice\",\"age\":30,\"score\":100.001,\"gender\":\"female\",\"isMarried\":true,\"pet\":{\"name\":\"Tom\",\"type\":\"cat\"}},{\"name\":\"bob\",\"age\":100000,\"score\":0.001,\"gender\":\"male\",\"isMarried\":false,\"pet\":{\"name\":\"Paul\",\"type\":\"dog\"}}]");
+            asString.Should().Be("[null,{\"name\":\"alice\",\"age\":30,\"score\":100.001,\"gender\":\"female\",\"isMarried\":true,\"pet\":{\"name\":\"Tom\",\"type\":\"cat\"}},{\"name\":\"bob\",\"age\":100000,\"score\":0.001,\"gender\":\"male\",\"isMarried\":false,\"pet\":{\"name\":\"Paul\",\"type\":\"dog\"}}]");
+        }
+
+        [TestMethod]
+        public void TestFromStringWithNull()
+        {
+            var jsonString = "[null,{\"name\":\"alice\",\"age\":30,\"score\":100.001,\"gender\":\"female\",\"isMarried\":true,\"pet\":{\"name\":\"Tom\",\"type\":\"cat\"}},{\"name\":\"bob\",\"age\":100000,\"score\":0.001,\"gender\":\"male\",\"isMarried\":false,\"pet\":{\"name\":\"Paul\",\"type\":\"dog\"}}]";
+            var jArray = (JArray)JArray.Parse(jsonString);
+
+            jArray.Count.Should().Be(3);
+            jArray[0].Should().BeNull();
+
+            // Checking the second and third elements
+            jArray[1]["name"].AsString().Should().Be("alice");
+            jArray[2]["name"].AsString().Should().Be("bob");
+        }
     }
 }