diff --git a/app/src/main/java/com/gamedog/vididin/features/zero/ZeroBuyViewModel.kt b/app/src/main/java/com/gamedog/vididin/features/zero/ZeroBuyViewModel.kt
index dd6fc83..5b8cfb4 100644
--- a/app/src/main/java/com/gamedog/vididin/features/zero/ZeroBuyViewModel.kt
+++ b/app/src/main/java/com/gamedog/vididin/features/zero/ZeroBuyViewModel.kt
@@ -57,7 +57,7 @@ class ZeroBuyViewModel : ViewModel() {
 
                     respObj?.contentObj?.let {
                         val itemId = respObj?.contentObj?.id
-                        if ((respObj.Code == 0 || respObj.Code == 10003) && itemId != null && itemId > 0 && !joinZeroBuyItemIds.contains(itemId)) {
+                        if ((respObj.Code == 0 || respObj.Code == 10003) && itemId != null && itemId > 0) {
                             val mutableJoinedIdList = if(joinZeroBuyItemIds == null) mutableListOf<Int>() else joinZeroBuyItemIds.toMutableList()
                             mutableJoinedIdList.add(itemId)
                             SpUtil.instance().putList(SpUtil.KEY_ZEROBUY_JOINED_ACTIVITY_IDS, mutableJoinedIdList)
diff --git a/app/src/main/java/com/gamedog/vididin/features/zero/ZeroItemAdapter.kt b/app/src/main/java/com/gamedog/vididin/features/zero/ZeroItemAdapter.kt
index a37e8c0..ace11d8 100644
--- a/app/src/main/java/com/gamedog/vididin/features/zero/ZeroItemAdapter.kt
+++ b/app/src/main/java/com/gamedog/vididin/features/zero/ZeroItemAdapter.kt
@@ -101,7 +101,7 @@ class ZeroItemAdapter(private val joinCallback: (itemId: Int)->Unit) : ListAdapt
         }
 
         override fun areContentsTheSame(oldItem: ZeroBuyItem, newItem: ZeroBuyItem): Boolean {
-            return oldItem == newItem
+            return false
         }
     }
 }
\ No newline at end of file