diff --git a/pricing/pricing.py b/pricing/pricing.py
index 13441cb..be3485f 100644
--- a/pricing/pricing.py
+++ b/pricing/pricing.py
@@ -157,7 +157,9 @@ def check_value(field, spec_value, data_value, value_mode=None):
 			return arr[0] < fvalue and fvalue < arr[-1]
 		if arr[1] == '~=':
 			return arr[0] < fvalue and fvalue <= arr[-1]
-		e = f'{arr[1]}不认识的期间逻辑,只支持：~ =~ ~='
+		if arr[1] == '=~=':
+			return arr[0] <= fvalue and fvalue <= arr[-1]
+		e = f'{arr[1]}不认识的期间逻辑,只支持：~ =~ ~= =~='
 		exception(e)
 		raise Exception(e)