diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 062fb212..c591c8db 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -1103,7 +1103,7 @@ class MlogbwViewSet(CustomModelViewSet):
                 checked = True
             wpr: Wpr = ins.wpr
             mlogb: Mlogb = ins.mlogb
-            if wpr.wm != mlogb.wm_in:
+            if wpr and wpr.wm != mlogb.wm_in:
                 raise ParseError("单个与所属批次不一致")
             route: Route = mlogb.route if mlogb.route else mlog.route
             Mlogbw.cal_count_notok(mlogb)