diff --git a/src/Validators/FilterValidator.php b/src/Validators/FilterValidator.php
index bcebe40..b0f78a5 100644
--- a/src/Validators/FilterValidator.php
+++ b/src/Validators/FilterValidator.php
@@ -44,8 +44,22 @@ class FilterValidator
             ) {
             return false;
         }
-        if (isset($value['address']) && AddressValidator::validate($value['address']) === false) {
-             return false;
+        if (isset($value['address'])) {
+            if (is_array($value['address'])) {
+                $isError = false;
+
+                foreach ($value['address'] as $address) {
+                    if (AddressValidator::validate($address) === false) {
+                        $isError = true;
+                        break;
+                    }
+                }
+                if ($isError === true) {
+                    return false;
+                }
+            } elseif (AddressValidator::validate($value['address']) === false) {
+                return false;
+            }
         }
         if (isset($value['topics']) && is_array($value['topics'])) {
             foreach ($value['topics'] as $topic) {
diff --git a/test/unit/FilterValidatorTest.php b/test/unit/FilterValidatorTest.php
new file mode 100644
index 0000000..5c6848f
--- /dev/null
+++ b/test/unit/FilterValidatorTest.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace Test\Unit;
+
+use Test\TestCase;
+use Web3\Validators\FilterValidator;
+
+class FilterValidatorTest extends TestCase
+{
+    /**
+     * validator
+     * 
+     * @var \Web3\Validators\FilterValidator
+     */
+    protected $validator;
+
+    /**
+     * setUp
+     * 
+     * @return void
+     */
+    public function setUp()
+    {
+        parent::setUp();
+        $this->validator = new FilterValidator;
+    }
+
+    /**
+     * testValidate
+     * 
+     * @return void
+     */
+    public function testValidate()
+    {
+        $validator = $this->validator;
+
+        $this->assertEquals(false, $validator->validate('hello web3.php'));
+        $this->assertEquals(false, $validator->validate([
+            'fromBlock' => 'hello',
+        ]));
+        $this->assertEquals(false, $validator->validate([
+            'toBlock' => 'hello',
+        ]));
+        $this->assertEquals(false, $validator->validate([
+            'address' => '0xzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz',
+        ]));
+        $this->assertEquals(false, $validator->validate([
+            'topics' => [
+                '0xzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz',
+            ]
+        ]));
+        $this->assertEquals(true, $validator->validate([]));
+        $this->assertEquals(true, $validator->validate([
+            'fromBlock' => 'earliest',
+            'toBlock' => 'latest',
+            'address' => '0xd46e8dd67c5d32be8058bb8eb970870f07244567',
+            'topics' => [
+                '0xd46e8dd67c5d32be8058bb8eb970870f07244567', '0xd46e8dd67c5d32be8058bb8eb970870f07244567'
+            ]
+        ]));
+        $this->assertEquals(true, $validator->validate([
+            'fromBlock' => 'earliest',
+            'toBlock' => 'latest',
+            'address' => [
+                '0xd46e8dd67c5d32be8058bb8eb970870f07244567', '0xd46e8dd67c5d32be8058bb8eb970870f07244567'
+            ],
+            'topics' => [
+                '0xd46e8dd67c5d32be8058bb8eb970870f07244567', '0xd46e8dd67c5d32be8058bb8eb970870f07244567'
+            ]
+        ]));
+    }
+}
\ No newline at end of file