diff --git a/lua/app/module/battle/helper/battle_formula.lua b/lua/app/module/battle/helper/battle_formula.lua
index d26bdd4a..03f9e73e 100644
--- a/lua/app/module/battle/helper/battle_formula.lua
+++ b/lua/app/module/battle/helper/battle_formula.lua
@@ -24,7 +24,7 @@ BattleFormula.calculateFormula = {
 		local crit = unitComp.unitEntity:getCrit()
 		if crit > 0 then
 			if BattleHelper:random(1, DEFAULT_FACTOR) <= crit then -- 暴击了
-				result = result * (DEFAULT_FACTOR + unitComp.unitEntity:getCrittime()) // DEFAULT_FACTOR
+				result = result * (BattleHelper:getDefaultCrittime() + unitComp.unitEntity:getCrittime()) // DEFAULT_FACTOR
 				hurtState = HURT_STATE_CRIT
 			end
 		end
diff --git a/lua/app/module/battle/helper/battle_helper.lua b/lua/app/module/battle/helper/battle_helper.lua
index deb59cf9..6000eb26 100644
--- a/lua/app/module/battle/helper/battle_helper.lua
+++ b/lua/app/module/battle/helper/battle_helper.lua
@@ -62,6 +62,13 @@ function BattleHelper:getSupportInterval()
     return self.supportInterval
 end
 
+function BattleHelper:getDefaultCrittime()
+    if self.defaultCrittime == nil then
+        self.defaultCrittime = GFunc.getConstIntValue("crit_dmg")
+    end
+    return self.defaultCrittime
+end
+
 function BattleHelper:loadBattleHeroModel(id, parent, callback)
     local pool = self.characterPools[id]
     if pool and #pool > 0 then