diff --git a/apps/wpm/services_2.py b/apps/wpm/services_2.py
index 7a1d7735..f5ea304a 100644
--- a/apps/wpm/services_2.py
+++ b/apps/wpm/services_2.py
@@ -93,9 +93,9 @@ def get_alldata_with_batch(batch: str):
                                          batch=batch,  
                                          mio__submit_time__isnull=False)
     if mioitem6_qs.exists():
-        last_time = item.update_time if item.update_time > last_time else last_time
         data["6车间生产领料-日期"] = []
         for item in mioitem6_qs:
+            last_time = item.update_time if item.update_time > last_time else last_time
             data["6车间生产领料-日期"].append(item.mio.inout_date)
             for field in mioitem_count_fields:
                 if getattr(item, field) > 0: