diff --git a/config/unionpay.php b/config/unionpay.php
index 34fa28a..6fa4f45 100644
--- a/config/unionpay.php
+++ b/config/unionpay.php
@@ -37,6 +37,10 @@ return [
             'private' => storage_path('cert/unionpay/self/private_rsa.pem'),
             'public'  => storage_path('cert/unionpay/self/public_rsa.pem'),
         ],
+        'dev'      => [
+            'private' => storage_path('cert/unionpay/dev/private_rsa.pem'),
+            'public'  => storage_path('cert/unionpay/dev/public_rsa.pem'),
+        ],
         'unionpay' => [
             'public' => storage_path('cert/unionpay/public_rsa.pem'),
         ],
diff --git a/storage/cert/unionpay/dev/private_rsa.pem b/storage/cert/unionpay/dev/private_rsa.pem
new file mode 100644
index 0000000..f5f8780
--- /dev/null
+++ b/storage/cert/unionpay/dev/private_rsa.pem
@@ -0,0 +1,17 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/storage/cert/unionpay/dev/public_rsa.pem b/storage/cert/unionpay/dev/public_rsa.pem
new file mode 100644
index 0000000..915fff9
--- /dev/null
+++ b/storage/cert/unionpay/dev/public_rsa.pem
@@ -0,0 +1,6 @@
+-----BEGIN PUBLIC KEY-----
+MIG1MA0GCSqGSIb3DQEBAQUAA4GjADCBnwKBlwr/0635gQVIE29ImQJuAs46csIv
+Ip1AbPUAqwth+LKMRV1d5A7zipyO7uKfExt3Xdo94jx2j57Q1n9QubAkmJ2Wk+G2
+VVkf+OYgFc8rCo1URArt1AtuQnWdGA3k0Ij2aHxI2d3LA8Ue7/WLWWqnas/FVJkc
+nTPtC2rSv4JO4nCMVdsXkZdjghKc8OTdiO6ue/QhrBlY/5cCAwEAAQ==
+-----END PUBLIC KEY-----