🐛 fix(config): Bugs

apps/admin/locales/en-US/payment.json

@@ -5,7 +5,9 @@
     "invoiceName": "Custom Product Name",
     "invoiceNameDescription": "Will be displayed on Alipay bill",
     "privateKey": "Alipay Private Key",
-    "publicKey": "Alipay Public Key"
+    "publicKey": "Alipay Public Key",
+    "sandbox": "Sandbox Mode",
+    "sandboxDescription": "Enable sandbox mode to test payments"
   },
   "enable": "Enable",
   "enableDescription": "Enable this payment method",

apps/admin/locales/zh-CN/payment.json

@@ -5,7 +5,9 @@
     "invoiceName": "自定义产品名称",
     "invoiceNameDescription": "将显示在支付宝账单中",
     "privateKey": "支付宝私钥",
-    "publicKey": "支付宝公钥"
+    "publicKey": "支付宝公钥",
+    "sandbox": "沙箱模式",
+    "sandboxDescription": "启用沙箱模式以测试支付"
   },
   "enable": "启用",
   "enableDescription": "启用此支付方式",