diff --git a/apps/wpmw/serializers.py b/apps/wpmw/serializers.py
index 860dbbba..8191af4d 100644
--- a/apps/wpmw/serializers.py
+++ b/apps/wpmw/serializers.py
@@ -24,6 +24,13 @@ class WprSerializer(CustomModelSerializer):
     class Meta:
         model = Wpr
         fields = '__all__'
+    
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        material_name = ret.get("material_name", "")
+        if material_name:
+            ret["process_name"] = material_name.split("|")[-1]
+        return ret
 
 class WprDetailSerializer(WprSerializer):
     mb_ = MaterialBatchSerializer(source='mb', read_only=True)