diff --git a/apps/wpm/scripts/batch_gxerp.py b/apps/wpm/scripts/batch_gxerp.py
index f95324dd..69f24b46 100644
--- a/apps/wpm/scripts/batch_gxerp.py
+++ b/apps/wpm/scripts/batch_gxerp.py
@@ -22,7 +22,7 @@ myLogger = logging.getLogger("log")
 #   (汇入不良集中批的旁路不占份额), 占比截断为1; 无锚点谱系(如外购半成品)时兜底用入库数量。
 ZT_ANCHOR_MGROUPS = ["黑化"]  # 入料数锚点工段
 ZT_MAX_DEPTH = 12  # 白料回溯最大层数
-ZT_MAX_VISITS = 3000  # 单个大批白料回溯的节点访问上限(防病态网状谱系组合爆炸)
+ZT_MAX_VISITS = 300  # 单个大批白料回溯的节点访问上限(防病态网状谱系组合爆炸; 实测正常批1~10次, 最重合法案例77次)
 ZT_BIG_BATCH_RE = re.compile(r"^\d{4}-[0-9A-Za-z.]+-\d+")  # 大批批号格式(合批改名产生), 用于区分生产分流与不良汇集
 
 def main(batch: str, mgroup_obj):