diff --git a/src/api/modules/phoneAsset.ts b/src/api/modules/phoneAsset.ts
index f1291f0..a1ad94d 100644
--- a/src/api/modules/phoneAsset.ts
+++ b/src/api/modules/phoneAsset.ts
@@ -39,9 +39,7 @@ export class PhoneAssetAssociationService extends BaseService {
   /**
    * 解除单条手机号资产关联
    * DELETE /api/admin/phone-asset-associations/{id}
-   *
-   * 注意：接口文档未定义请求体，reason 与 confirmed 当前按查询参数传递；
-   * 联调时若后端以 JSON body 接收，需调整为请求体方式。
+   * 请求体：{ reason, confirmed }
    */
   static unbindAssociation(
     id: number,
@@ -50,7 +48,8 @@ export class PhoneAssetAssociationService extends BaseService {
   ): Promise<BaseResponse<UnbindPhoneAssetAssociationResponse>> {
     return this.delete<BaseResponse<UnbindPhoneAssetAssociationResponse>>(
       `/api/admin/phone-asset-associations/${id}`,
-      { reason, confirmed }
+      undefined,
+      { data: { reason, confirmed } }
     )
   }