diff --git a/src/rooms/logic/skill/SkillParam.ts b/src/rooms/logic/skill/SkillParam.ts
index f4090f5..f6a0665 100644
--- a/src/rooms/logic/skill/SkillParam.ts
+++ b/src/rooms/logic/skill/SkillParam.ts
@@ -301,7 +301,11 @@ export class SkillTarget{
                 val: item.bsuccess? item.effect_res: item.err,
                 result: item.bsuccess? 0: -1,
             };
-            ed.data.push(obj);
+            if(!ed.data){
+                ed.data = [obj];
+            }else{
+                ed.data.push(obj);
+            }
         });
         
         return ed;