diff --git a/apps/enm/services.py b/apps/enm/services.py
index 86fdff79..3cf70b66 100644
--- a/apps/enm/services.py
+++ b/apps/enm/services.py
@@ -185,7 +185,14 @@ class MpointCache:
         last_data = current_cache_val["last_data"]
         if isinstance(last_val, (int, float)):
             last_val = last_val*current_cache_val.get('coefficient', 1.0)
-        last_data["last_val"] = last_val
+        if (last_val == 0 and
+            current_cache_val.get("type", 0) == 10 and 
+            current_cache_val.get('is_rep_ep_running_state', None) is False and 
+            get_sysconfig('enm.use_cache_when_w_el_0', False) is True and 
+            current_cache_val.get("material_name", "") in ["动力电", "工业水"]): # 如果电表断电
+            pass
+        else:
+            last_data["last_val"] = last_val
         last_data["last_timex"] = last_timex
         last_mrs = None  # 设备状态信号
         mpoint_is_rep_ep_running_state = current_cache_val["is_rep_ep_running_state"]