diff --git a/src/Infrastructure/Repository/InvoiceRepo.php b/src/Infrastructure/Repository/InvoiceRepo.php
index 82b7578..494b7c5 100644
--- a/src/Infrastructure/Repository/InvoiceRepo.php
+++ b/src/Infrastructure/Repository/InvoiceRepo.php
@@ -11,7 +11,9 @@ declare(strict_types=1);
 
 namespace Singularity\HDK\Pay\Infrastructure\Repository;
 
+use GuzzleHttp\Exception\GuzzleException;
 use Hyperf\Codec\Json;
+use Singularity\HDK\Core\Exceptions\ValidateException;
 use Singularity\HDK\Pay\Application\Command\CreateInvoiceCmd;
 use Singularity\HDK\Pay\Domain\Invoice\Aggregate\Invoice\Address;
 use Singularity\HDK\Pay\Domain\Invoice\Aggregate\Invoice\Invoice;
@@ -54,4 +56,17 @@ final class InvoiceRepo extends AbstractRepo implements InvoiceRepoInterface
             receiver: $result['receiver'],
         );
     }
+
+    /**
+     * @param string $invoiceNo
+     * @return void
+     * @throws GuzzleException
+     */
+    public function send(string $invoiceNo): void
+    {
+        if (empty($invoiceNo)) {
+            throw new ValidateException(message: 'invoice no is required.');
+        }
+        $this->requestService->requestGet(url: "/rpc/v2/invoice/invoices/$invoiceNo/email");
+    }
 }
\ No newline at end of file
diff --git a/tests/Feature/Invoice/CreateInvoiceTest.php b/tests/Feature/Invoice/CreateInvoiceTest.php
index ceeb58a..424ab26 100644
--- a/tests/Feature/Invoice/CreateInvoiceTest.php
+++ b/tests/Feature/Invoice/CreateInvoiceTest.php
@@ -34,3 +34,14 @@ it('should can create invoice', function () {
     expect($invoice)
         ->toBeInstanceOf(Invoice::class);
 });
+
+it('should can send invoice email to receiver', function () {
+    $repo = make(InvoiceRepo::class);
+
+    expect((function () use ($repo) {
+        $invoice_no = '517268';
+        $repo->send($invoice_no);
+
+        return true;
+    })())->not->toThrow(Throwable::class);
+});