diff --git a/server/gameserver/mapcollider.h b/server/gameserver/mapcollider.h
index 77a68b20..670ab2d2 100644
--- a/server/gameserver/mapcollider.h
+++ b/server/gameserver/mapcollider.h
@@ -19,7 +19,8 @@ namespace mc
        kCA_Wall = 1,//墙壁
        kCA_Roof = 2,//屋顶
        kCA_FloororRoof = 3,//屋顶+上层地板
-       kCA_stairs = 4,//楼梯
+       kCA_Stairs = 4,//楼梯
+       kCA_NoJump = 4,//不可跳伞
        kCA_Window = 9,//窗，主要为了射击穿透
        kCA_Other = 10,//其他，装饰品
     };