{"data":{"bom_header":null,"bom_lines":[],"item":{"created":"2026-08-08 12:00:16.313","item_id":"M-2102","item_name":"输出齿轮","item_type":"Part","owner":"李工","project":"XM-MOCK","revision":"A","status":"Released","uid":"item-m2102"},"note":"该物料没有已发布的 BOM"},"message":"OK","status":200}