diff --git a/api/@ohos.account.osAccount.d.ts b/api/@ohos.account.osAccount.d.ts
index fb6e3a5dfdbd6c2e6aeb568adb202ca550bde140..09686ddb6540d402cc31fe54f4af4cf032353bcb 100644
--- a/api/@ohos.account.osAccount.d.ts
+++ b/api/@ohos.account.osAccount.d.ts
@@ -4212,7 +4212,7 @@ declare namespace osAccount {
      * @systemapi Hide this for inner system use.
      * @since 8
      */
-    getAuthInfo(authType?: AuthType): Promise<Array<EnrolledCredInfo>>;
+    getAuthInfo(authType: AuthType): Promise<Array<EnrolledCredInfo>>;
 
     /**
      * Gets authentication information.