diff --git a/frontend/mining-admin-web/src/types/system-account.ts b/frontend/mining-admin-web/src/types/system-account.ts
index 5b5cc223..3f8433fb 100644
--- a/frontend/mining-admin-web/src/types/system-account.ts
+++ b/frontend/mining-admin-web/src/types/system-account.ts
@@ -16,6 +16,7 @@ export type AccountSource = 'local' | 'synced';
 
 export interface SystemAccount {
   accountType: SystemAccountType;
+  regionCode?: string | null;  // 区域代码（省/市代码，如 440000, 440100）
   name?: string;
   description?: string;
   totalContribution?: string;