diff --git a/bi/vas_yoy_flow.py b/bi/vas_yoy_flow.py
index ac55fe9..4d56008 100644
--- a/bi/vas_yoy_flow.py
+++ b/bi/vas_yoy_flow.py
@@ -32,8 +32,10 @@ class S:
 
     def proc(self):
         zero_time = get_today_zero_time() - 86400
+        last_ptime = self.get_last_ptime()
 
         print(zero_time)
+        print(last_ptime, type(last_ptime))
 
 
 s = S()