diff --git a/app/src/main/java/com/gamedog/vididin/Constants.kt b/app/src/main/java/com/gamedog/vididin/Constants.kt
index 1188148..9f5545a 100644
--- a/app/src/main/java/com/gamedog/vididin/Constants.kt
+++ b/app/src/main/java/com/gamedog/vididin/Constants.kt
@@ -2,6 +2,7 @@ package com.gamedog.vididin
 
 object VidiConst {
 
+
     const val URL_DISCORD: String = "https://www.baidu.com"
 
     /**
@@ -21,6 +22,8 @@ object VidiConst {
 
     const val GOLD_IN_CONFIG: String = "金币"
 
+    const val PER_CASH_COST_GOLD_NUM = 1000
+
 
 
 
diff --git a/app/src/main/java/com/gamedog/vididin/beans/Account.kt b/app/src/main/java/com/gamedog/vididin/beans/Account.kt
index fcfcce4..47c5fd4 100644
--- a/app/src/main/java/com/gamedog/vididin/beans/Account.kt
+++ b/app/src/main/java/com/gamedog/vididin/beans/Account.kt
@@ -6,7 +6,9 @@ data class Account(
     val deviceUUId: String,
     val token: String="",
     val createdAt: Long,
+    @Volatile
     var goldCount: Long = 0L,
+    @Volatile
     var cashCount: Float = 0F,
     var bankInfo: BankInfo? = null,
     )
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 22d62ab..9d00e2e 100644
--- a/app/src/main/java/com/gamedog/vididin/login/AccountManager.kt
+++ b/app/src/main/java/com/gamedog/vididin/login/AccountManager.kt
@@ -1,16 +1,23 @@
 package com.gamedog.vididin.core.login.login
 
+import com.ama.core.architecture.util.AndroidUtil
 import com.ama.core.architecture.util.DateUtil
 import com.ama.core.architecture.util.DeviceUtil
 import com.ama.core.architecture.util.SpUtil
 import com.ama.core.architecture.util.eventbus.NotifyMan
+import com.gamedog.vididin.VidiConst
 import com.gamedog.vididin.VididinEvents
 import com.gamedog.vididin.beans.Account
 import com.gamedog.vididin.beans.BankInfo
+import com.gamedog.vididin.main.fragments.task.TaskBean
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 
 
 object AccountManager {
 
+    private val mutex = Mutex()
+
     private val mAccount: Account? by lazy {
         var account = SpUtil.instance().getObject<Account>(SpUtil.KEY_ACCOUNT)
         if (account == null) {
@@ -71,5 +78,30 @@ object AccountManager {
             VididinEvents.Event_Account_Bank_Info_Changed, NotifyMan.NotifyData(bankAccount))
     }
 
+
+
+    @Synchronized
+    fun convertGold2Cash(): Boolean  {
+        try {
+            val couldCovertCashTotal = mAccount?.goldCount?.div(VidiConst.PER_CASH_COST_GOLD_NUM) ?: 0L
+            if (couldCovertCashTotal > 0) {
+                val costGoldNum = couldCovertCashTotal * VidiConst.PER_CASH_COST_GOLD_NUM
+                mAccount?.goldCount?.let {
+                    if (it > costGoldNum) {
+                        addGold(-1 * costGoldNum.toInt())
+                        addCash(couldCovertCashTotal.toFloat())
+                        AndroidUtil.showToast("Has convert $costGoldNum gold to $couldCovertCashTotal cash.")
+                        return true
+                    }
+                }
+            } else {
+                AndroidUtil.showToast("You don't have enough gold.")
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+        return false
+    }
+
 }
 
diff --git a/app/src/main/java/com/gamedog/vididin/main/WatchVideoDialog.kt b/app/src/main/java/com/gamedog/vididin/main/WatchVideoDialog.kt
index 75d188b..5e7f3f1 100644
--- a/app/src/main/java/com/gamedog/vididin/main/WatchVideoDialog.kt
+++ b/app/src/main/java/com/gamedog/vididin/main/WatchVideoDialog.kt
@@ -36,6 +36,7 @@ class WatchVideoDialog(context: Activity, private val mTaskType: Int, private va
 
     private fun gotoWatchVideo() {
         Router.WatchAd.startActivity(mActivity, mTaskType, mTaskDataJson)
+        dismiss()
     }
 
 
diff --git a/app/src/main/java/com/gamedog/vididin/manager/TaskManager.kt b/app/src/main/java/com/gamedog/vididin/manager/TaskManager.kt
index 0f9ad3f..0589673 100644
--- a/app/src/main/java/com/gamedog/vididin/manager/TaskManager.kt
+++ b/app/src/main/java/com/gamedog/vididin/manager/TaskManager.kt
@@ -1,6 +1,10 @@
 package com.gamedog.vididin.manager
 
+
 import com.ama.core.architecture.util.FileUtil
+import com.ama.core.architecture.util.eventbus.NotifyMan
+import com.gamedog.vididin.VididinEvents
+import com.gamedog.vididin.core.login.login.AccountManager
 import com.gamedog.vididin.main.fragments.task.Task
 import com.gamedog.vididin.main.fragments.task.TaskBean
 import com.gamedog.vididin.manager.helpers.DailyBoxHelper
@@ -61,6 +65,7 @@ class TaskManager private constructor() {
 
     init {
         loadTaskConfigAsync()
+        registerEvents()
 
         // TODO - remove test code
         if (true) {
@@ -68,6 +73,22 @@ class TaskManager private constructor() {
         }
     }
 
+    private fun registerEvents() {
+        NotifyMan.instance().register(object : NotifyMan.ICallback(true) {
+            override fun onEvent(data: NotifyMan.NotifyData<*>?) {
+                when (data?.mEventType) {
+                    VididinEvents.Event_AD_TASK_TYPE_Convert_Gold_2_Cash -> {
+                        AccountManager.convertGold2Cash()
+                    }
+
+                    VididinEvents.Event_AD_TASK_TYPE_Watch_Ad_For_Gold -> {
+                        // TODO - add gold for user
+                    }
+                }
+            }
+        }, VididinEvents.Event_AD_TASK_TYPE_Convert_Gold_2_Cash, VididinEvents.Event_AD_TASK_TYPE_Watch_Ad_For_Gold)
+    }
+
 
     suspend fun getTaskConfig(): TaskBean? = mutex.withLock {
         if (!initialized) {