diff --git a/src/actions/RoleAction.lua b/src/actions/RoleAction.lua
index fba220d..d45a499 100644
--- a/src/actions/RoleAction.lua
+++ b/src/actions/RoleAction.lua
@@ -607,6 +607,8 @@ function _M.openTimeBoxRpc(agent, data)
 			local costKey = math.ceil((stopTime - nowTime) / (cost_pre[1] * 60)) * cost_pre[2]
 			if not role:checkItemEnough({[ItemId.Diamond] = costKey}) then return 5 end
 			role:costItems({[ItemId.Diamond] = costKey}, {log = {desc = "openTimeBox", int1 = slot}})
+		else
+			stopTime = math.min(nowTime,time + globalCsv.box_productLine_time * 3600)
 		end
 		role:pushCancel({type = "box", slot = slot})
 
--
libgit2 0.21.2