diff --git a/src/modules/restful/wallet/types.ts b/src/modules/restful/wallet/types.ts
index cc23db7..f6725b7 100644
--- a/src/modules/restful/wallet/types.ts
+++ b/src/modules/restful/wallet/types.ts
@@ -431,7 +431,8 @@ export interface getApiKeyPermissionResponse {
     enableFutures: boolean;
     enableMargin: boolean;
     enableSpotAndMarginTrading: boolean;
-    tradingAuthorityExpirationTime: number;
+    tradingAuthorityExpirationTime?: number;
+    enablePortfolioMarginTrading: boolean;
 }
 
 export interface oneClickArrivalDepositApplyOptions {
diff --git a/tests/mock_values/restful/wallet/getApiKeyPermission.ts b/tests/mock_values/restful/wallet/getApiKeyPermission.ts
index 748f89a..ca2e992 100644
--- a/tests/mock_values/restful/wallet/getApiKeyPermission.ts
+++ b/tests/mock_values/restful/wallet/getApiKeyPermission.ts
@@ -11,5 +11,6 @@ export const mockResponse: RestWalletTypes.getApiKeyPermissionResponse = {
     'enableFutures': false,
     'enableMargin': false,
     'enableSpotAndMarginTrading': false,
-    'tradingAuthorityExpirationTime': 1628985600000
+    'tradingAuthorityExpirationTime': 1628985600000,
+    'enablePortfolioMarginTrading': false
 };