diff --git a/apps/enm/services.py b/apps/enm/services.py
index 0f436ac9..e6d63da8 100644
--- a/apps/enm/services.py
+++ b/apps/enm/services.py
@@ -46,7 +46,10 @@ def transfer_mpoint_val_to_ep_running_state(current_val, base_val: float, expr_s
             else:
                 mpoint_data = MpointCache(match).data
                 if mpoint_data:
-                    expr_str = expr_str.replace(f"{{{match}}}", str(mpoint_data['last_data']['last_val']))  # 这个last_val可能不存在
+                    match_val = 50
+                    if mpoint_data.get('gather_state', -2) == 0:  # 测点正常采集
+                        match_val = mpoint_data['last_data']['last_mrs']
+                    expr_str = expr_str.replace(f"{{{match}}}", str(match_val))
         rval = eval(expr_str)
         return rval
     if isinstance(current_val, bool):
@@ -136,7 +139,7 @@ class MpointCache:
             except Exception:
                 return None
             mpoint_data = MpointSerializer(instance=mpoint).data
-            mpoint_data['last_data'] = {'last_val': None, 'last_timex': None}
+            mpoint_data['last_data'] = {'last_val': None, 'last_timex': None, 'last_mrs': None}  # 初始化
             if update_mplogx:
                 now = timezone.now()
                 last_mplogx = MpLogx.objects.filter(mpoint=mpoint, timex__gte=now - timedelta(minutes=5)).order_by("-timex").first()