diff --git a/app/src/main/java/com/gamedog/vididin/features/zero/ZeroBuyActivity.kt b/app/src/main/java/com/gamedog/vididin/features/zero/ZeroBuyActivity.kt
index cc74773..04ecab8 100644
--- a/app/src/main/java/com/gamedog/vididin/features/zero/ZeroBuyActivity.kt
+++ b/app/src/main/java/com/gamedog/vididin/features/zero/ZeroBuyActivity.kt
@@ -70,7 +70,7 @@ class ZeroBuyActivity : AppViewsEmptyViewModelActivity<ViewBinding>() {
             with(recyclerView) {
                 mAdapter = ZeroItemAdapter({ itemId, diamondCost->
 
-                    if (AccountManager.adjustDiamond(diamondCost)) {
+                    if (AccountManager.getDiamond() >= diamondCost) {
                         requestParticipateActivity(itemId)
                     } else {
                         AndroidUtil.showToast(R.string.dont_enought_diamond)
@@ -156,8 +156,14 @@ class ZeroBuyActivity : AppViewsEmptyViewModelActivity<ViewBinding>() {
                     viewModel.ZeroBuyJoinResult.collect { result ->
                         when (result) {
                             is Result.Loading -> { }
-                            is Result.Success -> updateItemUI(result.data)
-                            is Result.Error -> { }
+                            is Result.Success -> {
+                                result.data?.let {
+                                    AccountManager.adjustDiamond(-1 * it.cost)
+                                }
+
+                                updateItemUI(result.data)
+                            }
+                            is Result.Error -> { AndroidUtil.showToast(R.string.has_join_failed_zerobuy) }
                         }
                     }
                 }
diff --git a/app/src/main/java/com/gamedog/vididin/features/zero/ZeroRecordAdapter.kt b/app/src/main/java/com/gamedog/vididin/features/zero/ZeroRecordAdapter.kt
index e8d3cc1..c2e5562 100644
--- a/app/src/main/java/com/gamedog/vididin/features/zero/ZeroRecordAdapter.kt
+++ b/app/src/main/java/com/gamedog/vididin/features/zero/ZeroRecordAdapter.kt
@@ -32,7 +32,7 @@ class ZeroRecordAdapter() : ListAdapter<ZeroBuyItem, ZeroRecordAdapter.ViewHolde
 
     private fun isWinItem(item: ZeroBuyItem): Boolean {
         val winerIds = item.winners
-        return winerIds?.contains(AccountManager.getAccount()?.userId) ?: false
+        return winerIds?.contains(AccountManager.getAccount().userId) ?: false
     }
 
     inner class ViewHolder(private val binding: ViewBinding) : RecyclerView.ViewHolder(binding.root) {
diff --git a/app/src/main/java/com/gamedog/vididin/login/AccountManager.kt b/app/src/main/java/com/gamedog/vididin/login/AccountManager.kt
index 47d2ec5..2439b0d 100644
--- a/app/src/main/java/com/gamedog/vididin/login/AccountManager.kt
+++ b/app/src/main/java/com/gamedog/vididin/login/AccountManager.kt
@@ -74,7 +74,7 @@ object AccountManager {
 
     @Synchronized
     fun adjustCash(adjustNum: Float, recordBean: RecordCash?): Boolean {
-        if (adjustNum < 0L && Math.abs(adjustNum) > getGold()) {
+        if (adjustNum < 0L && Math.abs(adjustNum) > getCash()) {
             return false
         }
         mAccount.cashCount += adjustNum
@@ -92,7 +92,7 @@ object AccountManager {
 
     @Synchronized
     fun adjustDiamond(adjustNum: Int): Boolean {
-        if (adjustNum < 0L && Math.abs(adjustNum) > getGold()) {
+        if (adjustNum < 0L && Math.abs(adjustNum) > getDiamond()) {
             return false
         }
         mAccount.diamondCount += adjustNum
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 48e07c7..3345845 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -120,6 +120,7 @@
     <string name="record_cash_title_hint">Total sacado até o momento:</string>
     <string name="participar_ed">Já participou</string>
     <string name="remain_time">Reembolso em</string>
+    <string name="has_join_failed_zerobuy">participate this activity failed.</string>
     <string name="has_joined_zerobuy">You have participated this activity.</string>
     <string name="no_data_hint">There\'s no any record</string>
     <string name="get">Get</string>