diff --git a/apps/wpm/filters.py b/apps/wpm/filters.py
index e5a0e8b2..03e08448 100644
--- a/apps/wpm/filters.py
+++ b/apps/wpm/filters.py
@@ -97,6 +97,7 @@ class WMaterialFilter(filters.FilterSet):
 
 class MlogFilter(filters.FilterSet):
     cbatch = filters.CharFilter(label='批次号', method='filter_cbatch')
+    cnumber = filters.CharFilter(label='单个编号', method='filter_cnumber')
     class Meta:
         model = Mlog
         fields = {
@@ -118,6 +119,9 @@ class MlogFilter(filters.FilterSet):
         qs1 = queryset.filter(batch=value)
         qs2 = queryset.filter(b_mlog__batch=value)
         return qs1.union(qs2)
+    
+    def filter_cnumber(self, queryset, name, value):
+        return queryset.filter(b_mlog__w_mlogb__number=value).distinct()
 
 
 class HandoverFilter(filters.FilterSet):