{"data":{"bom_header":null,"bom_lines":[],"item":{"created":"2026-08-08 12:00:16.313","item_id":"M-1103","item_name":"油封 50x70x8","item_type":"Part","owner":"张工","project":"XM-MOCK","revision":"A","status":"Released","uid":"item-m1103"},"note":"该物料没有已发布的 BOM"},"message":"OK","status":200}