diff --git a/src/actions/ActivityAction.lua b/src/actions/ActivityAction.lua
index 4142c1e..9a6958d 100644
--- a/src/actions/ActivityAction.lua
+++ b/src/actions/ActivityAction.lua
@@ -1279,6 +1279,7 @@ function _M.buyBattleCommandLvlRpc(agent, data)
 		local cfg = bpCfg[i]
 		if cfg["type"] > curLvl and cfg["type"] <= nextLvl then
 			cost = cost + cfg["cost"]
+		elseif cfg["type"] > nextLvl then
 			break
 		end
 	end
--
libgit2 0.21.2