diff --git a/assets/script/game/skills/SkillCom.ts b/assets/script/game/skills/SkillCom.ts
index f2e0eb7b..94e5c470 100644
--- a/assets/script/game/skills/SkillCom.ts
+++ b/assets/script/game/skills/SkillCom.ts
@@ -77,7 +77,6 @@ export class SkillCom extends CCComp {
             tween(this.node).to( time,{ position: e_pos},
                 {
                     easing: "linear",   
-                    onUpdate: (target: Vec3, ratio: number) => {   },
                     onComplete: (target?: object) => { 
                             this.is_destroy=true
                         },