diff --git a/src/account-asset-client-v3.ts b/src/account-asset-client-v3.ts
index 002d395..6649c38 100644
--- a/src/account-asset-client-v3.ts
+++ b/src/account-asset-client-v3.ts
@@ -265,7 +265,7 @@ export class AccountAssetClientV3 extends BaseRestClient {
    * Get Sub UID List
    */
   getSubMembers(): Promise<APIResponseWithTime<SubMemberResponseV3>> {
-    return this.postPrivate('/user/v3/private/query-sub-members');
+    return this.getPrivate('/user/v3/private/query-sub-members');
   }
 
   /**
diff --git a/src/types/request/account-asset.ts b/src/types/request/account-asset.ts
index 2f9cd18..7ca7436 100644
--- a/src/types/request/account-asset.ts
+++ b/src/types/request/account-asset.ts
@@ -232,7 +232,7 @@ export interface CreateSubAPIKeyRequestV3 {
   readOnly: 0 | 1;
   ips?: string[];
   permissions: {
-    ContractTrade?: [];
+    ContractTrade?: string[];
     Spot?: string[];
     Wallet?: string[];
     Options?: string[];