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 ed9315b..fb8deef 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
@@ -68,8 +68,13 @@ class ZeroBuyActivity : AppViewsEmptyViewModelActivity<ViewBinding>() {
 
 
             with(recyclerView) {
-                mAdapter = ZeroItemAdapter({ itemId->
-                    requestParticipateActivity(itemId)
+                mAdapter = ZeroItemAdapter({ itemId, diamondCost->
+
+                    if (AccountManager.adjustDiamond(diamondCost)) {
+                        requestParticipateActivity(itemId)
+                    } else {
+                        AndroidUtil.showToast(R.string.dont_enought_diamond)
+                    }
                 })
                 adapter = mAdapter
                 layoutManager = GridLayoutManager(this@ZeroBuyActivity, 2)
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 eb78e11..07143d0 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
@@ -12,10 +12,9 @@ import com.ama.core.architecture.util.SpUtil
 import com.ama.core.architecture.util.setOnClickBatch
 import com.vididin.real.money.game.R
 import com.gamedog.vididin.beans.ZeroBuyItem
-import com.gamedog.vididin.core.login.login.AccountManager
 import com.vididin.real.money.game.databinding.LayoutItemZerobuyBinding as ViewBinding
 
-class ZeroItemAdapter(private val joinCallback: (itemId: Int)->Unit) : ListAdapter<ZeroBuyItem, ZeroItemAdapter.ViewHolder>(DiffCallback()) {
+class ZeroItemAdapter(private val joinCallback: (itemId: Int, diamondCost: Int)->Unit) : ListAdapter<ZeroBuyItem, ZeroItemAdapter.ViewHolder>(DiffCallback()) {
 
     private val mBgResList = listOf<Int>(R.mipmap.zero_bg_item_sub1, R.mipmap.zero_bg_item_sub2, R.mipmap.zero_bg_item_sub3, R.mipmap.zero_bg_item_sub4)
 
@@ -77,7 +76,7 @@ class ZeroItemAdapter(private val joinCallback: (itemId: Int)->Unit) : ListAdapt
                 setOnClickBatch(flBottomBut) {
                     when (this) {
                         flBottomBut-> {
-                             joinCallback(item.id)
+                             joinCallback(item.id, item.cost)
                         }
                     }
                 }
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 bddc615..89e99f4 100644
--- a/app/src/main/java/com/gamedog/vididin/login/AccountManager.kt
+++ b/app/src/main/java/com/gamedog/vididin/login/AccountManager.kt
@@ -142,6 +142,18 @@ object AccountManager {
         return !mAccount?.bankInfo?.bankAccount.isNullOrEmpty()
     }
 
+    fun adjustDiamond(diamondCost: Int): Boolean {
+        mAccount?.let {
+            if (it.diamondCount > diamondCost) {
+                it.diamondCount -= diamondCost
+                saveAccountInfo()
+                NotifyMan.instance().sendEvent(VididinEvents.Event_Account_Diamond_Changed, null)
+                return true
+            }
+        }
+        return false
+    }
+
 
 }
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index ec5eb6d..48e07c7 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -160,5 +160,6 @@
     <string name="gold_not_ready_hint">As recompensas ainda não estão prontas.</string>
     <string name="day_simple">d</string>
     <string name="hour_simple">h</string>
+    <string name="dont_enought_diamond">Diamantes insuficientes</string>
 
 </resources>
\ No newline at end of file