diff --git a/src/Kernel/Support/Arr.php b/src/Kernel/Support/Arr.php
index 88a6bdc3d..264025c6e 100644
--- a/src/Kernel/Support/Arr.php
+++ b/src/Kernel/Support/Arr.php
@@ -29,9 +29,7 @@ public static function get(mixed $array, string|int|null $key, mixed $default =
         }
 
         foreach (explode('.', (string) $key) as $segment) {
-            /** @phpstan-ignore-next-line */
-            if (static::exists($array, $segment)) {
-                /** @phpstan-ignore-next-line */
+            if (is_array($array) && static::exists($array, $segment)) {
                 $array = $array[$segment];
             } else {
                 return $default;
diff --git a/src/OpenPlatform/Application.php b/src/OpenPlatform/Application.php
index 79253ada8..4b862bd55 100644
--- a/src/OpenPlatform/Application.php
+++ b/src/OpenPlatform/Application.php
@@ -369,7 +369,7 @@ public function getOfficialAccount(
                     'token' => $this->config->get('token'),
                     'aes_key' => $this->config->get('aes_key'),
                     'logging' => $this->config->get('logging'),
-                    'http' => $this->config->get('http'),
+                    'http' => $this->config->get('http', []),
                 ],
                 $config
             )
diff --git a/tests/OfficialAccount/ApplicationTest.php b/tests/OfficialAccount/ApplicationTest.php
index 1f7b5d63f..f622a89de 100644
--- a/tests/OfficialAccount/ApplicationTest.php
+++ b/tests/OfficialAccount/ApplicationTest.php
@@ -7,6 +7,7 @@
 use EasyWeChat\Kernel\Contracts\AccessToken as AccessTokenInterface;
 use EasyWeChat\Kernel\Contracts\Server as ServerInterface;
 use EasyWeChat\Kernel\Encryptor;
+use EasyWeChat\Kernel\HttpClient\AccessTokenAwareClient;
 use EasyWeChat\OfficialAccount\AccessToken;
 use EasyWeChat\OfficialAccount\Account;
 use EasyWeChat\OfficialAccount\Account as AccountInterface;
@@ -99,6 +100,34 @@ public function test_get_and_set_access_token()
         $this->assertSame($accessToken, $app->getAccessToken());
     }
 
+    // https://github.com/w7corp/easywechat/issues/2743
+    public function test_get_client_without_http_config()
+    {
+        $app = new Application(
+            [
+                'app_id' => 'wx3cf0f39249000060',
+                'secret' => 'mock-secret',
+                'token' => 'mock-token',
+                'aes_key' => 'abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG',
+            ]
+        );
+
+        $this->assertInstanceOf(AccessTokenAwareClient::class, $app->getClient());
+
+        $app = new Application(
+            [
+                'app_id' => 'wx3cf0f39249000060',
+                'secret' => 'mock-secret',
+                'token' => 'mock-token',
+                'aes_key' => 'abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG',
+                'http' => null,
+            ]
+        );
+
+        // no exception
+        $this->assertInstanceOf(AccessTokenAwareClient::class, $app->getClient());
+    }
+
     public function test_get_and_set_ticket()
     {
         $app = new Application(