diff --git a/apps/enm/services.py b/apps/enm/services.py
index 29e319be..d91e3134 100644
--- a/apps/enm/services.py
+++ b/apps/enm/services.py
@@ -474,9 +474,12 @@ def get_analyse_data_mgroups_duration(start_date: datetime, end_date: datetime)
             elec_consume_mm = res_dict.get("煤磨", {}).get("elec_consume", 0)
             if item["total_production"] == 0:
                 item["celec_consume_unit"] = 0
-                item["en_consume_unit"] = 0
+                item["cen_consume_unit"] = 0
             else:
-                item["celec_consume_unit"] = round((elec_consume_mm + item["elec_consume"]) / item["total_production"] + get_sysconfig("enm.enm_lhxs") * elec_consume_ylm / total_production_ylm, 2)
-                item["en_consume_unit"] = round(item["coal_consume_unit"] + 0.1229 * item["elec_consume_unit"], 2)
+                item["celec_consume_unit"] = round((elec_consume_mm + item["elec_consume"]) / get_safe_value(item["total_production"]) + get_sysconfig("enm.enm_lhxs") * elec_consume_ylm / get_safe_value(total_production_ylm), 2)
+                item["cen_consume_unit"] = round(item["coal_consume_unit"] + 0.1229 * item["elec_consume_unit"], 2)
         item["total_production"] = round(item["total_production"], 2)
-    return res
\ No newline at end of file
+    return res
+
+def get_safe_value(value, default=1):
+    return value if value != 0 else default
\ No newline at end of file