diff --git a/apps/enm/services.py b/apps/enm/services.py
index 52af8419..0175e4e3 100644
--- a/apps/enm/services.py
+++ b/apps/enm/services.py
@@ -23,12 +23,12 @@ def translate_eval_formula(exp_str: str, year: int, month: int, day: int, hour:
     """
     传入
     """
-    pattern = r"\${(.*?)}"
+    pattern = r"\{(.*?)}"
     matches = re.findall(pattern, exp_str)
     for match in matches:
         mpst = MpointStat.objects.filter(Q(mpoint__id=match) | Q(mpoint__name=match) | Q(mpoint__code=match), type="hour", year=year, month=month, day=day, hour=hour).first()
         if mpst:
-            exp_str = exp_str.replace(f"${{{match}}}", str(mpst.val))
+            exp_str = exp_str.replace(f"{{{match}}}", str(mpst.val))
     rval = eval(exp_str)
     return rval
 
@@ -38,7 +38,7 @@ def transfer_mpoint_val_to_ep_running_state(current_val, base_val: float, expr_s
     base_expr: 三元表达式
     """
     if expr_str:  # 优先使用表达式
-        pattern = r"\${(.*?)}"
+        pattern = r"\{(.*?)}"
         matches = re.findall(pattern, expr_str)
         for match in matches:
             if match == 'self':
@@ -46,7 +46,7 @@ def transfer_mpoint_val_to_ep_running_state(current_val, base_val: float, expr_s
             else:
                 mpoint_data = get_mpoint_cache(match)
                 if mpoint_data:
-                    expr_str = expr_str.replace(f"${{{match}}}", str(mpoint_data['last_data']['last_val']))
+                    expr_str = expr_str.replace(f"{{{match}}}", str(mpoint_data['last_data']['last_val']))
         rval = eval(expr_str)
         return rval
     if isinstance(current_val, bool):