diff --git a/simulation.py b/simulation.py
index dd34564..6d0aba5 100644
--- a/simulation.py
+++ b/simulation.py
@@ -32,7 +32,7 @@ import globals
 # L_TANK='4854'
 #
 # # inp文件数据信息
-# PATTERN_TIME_STEP = 15.0
+PATTERN_TIME_STEP = 15.0
 
 # regions
 # regions = ['hp', 'lp']