Update locale_zh_CN.properties (#4953)

Update language file to fix a typo error

src/main/resources/locale/locale_zh_CN.properties

@@ -518,7 +518,7 @@ Unarmed.SubSkill.IronGrip.Name=铁腕
 Unarmed.SubSkill.IronGrip.Description=防止你被缴械
 Unarmed.SubSkill.IronGrip.Stat=铁腕触发概率
 Unarmed.SubSkill.BlockCracker.Name=方块粉碎机
-Unarmed.SubSkill.BlockCracker.Description=用拳头打碎是头
+Unarmed.SubSkill.BlockCracker.Description=用拳头打碎石头
 Unarmed.Listener=格斗(Unarmed):
 Unarmed.SkillName=格斗
 Unarmed.Skills.Berserk.Off=**狂暴结束**