diff --git a/build/build.go b/build/build.go
index 91d78c7..279aeac 100644
--- a/build/build.go
+++ b/build/build.go
@@ -15,7 +15,7 @@ func initConfig(nid, nnm, sid, snm uint64) *params.ChainConfig {
 			params.IPmap_nodeTable[i] = make(map[uint64]string)
 		}
 		for j := uint64(0); j < nnm; j++ {
-			params.IPmap_nodeTable[i][j] = "127.0.0.1:" + strconv.Itoa(8800+int(i)*100+int(j))
+			params.IPmap_nodeTable[i][j] = "127.0.0.1:" + strconv.Itoa(28800+int(i)*100+int(j))
 		}
 	}
 	params.IPmap_nodeTable[params.DeciderShard] = make(map[uint64]string)
@@ -53,7 +53,6 @@ func BuildSupervisor(nnm, snm, mod uint64) {
 
 func BuildNewPbftNode(nid, nnm, sid, snm, mod uint64) {
 	worker := pbft_all.NewPbftNode(sid, nid, initConfig(nid, nnm, sid, snm), params.CommitteeMethod[mod])
-	time.Sleep(5 * time.Second)
 	if nid == 0 {
 		go worker.Propose()
 		worker.TcpListen()
diff --git a/consensus_shard/pbft_all/accountTransfer_module.go b/consensus_shard/pbft_all/accountTransfer_module.go
index 4a217d1..6a3ea65 100644
--- a/consensus_shard/pbft_all/accountTransfer_module.go
+++ b/consensus_shard/pbft_all/accountTransfer_module.go
@@ -84,10 +84,9 @@ func (cphm *CLPAPbftInsideExtraHandleMod) sendAccounts_and_Txs() {
 		}
 		// fetch transactions to it, after the transactions is fetched, delete it in the pool
 		txSend := make([]*core.Transaction, 0)
-		head := 0
-		tail := len(cphm.pbftNode.CurChain.Txpool.TxQueue)
-		for head < tail {
-			ptx := cphm.pbftNode.CurChain.Txpool.TxQueue[head]
+		firstPtr := 0
+		for secondPtr := 0; secondPtr < len(cphm.pbftNode.CurChain.Txpool.TxQueue); secondPtr++ {
+			ptx := cphm.pbftNode.CurChain.Txpool.TxQueue[secondPtr]
 			// if this is a normal transaction or ctx1 before re-sharding && the addr is correspond
 			_, ok1 := addrSet[ptx.Sender]
 			condition1 := ok1 && !ptx.Relayed
@@ -96,13 +95,12 @@ func (cphm *CLPAPbftInsideExtraHandleMod) sendAccounts_and_Txs() {
 			condition2 := ok2 && ptx.Relayed
 			if condition1 || condition2 {
 				txSend = append(txSend, ptx)
-				tail--
-				cphm.pbftNode.CurChain.Txpool.TxQueue[head] = cphm.pbftNode.CurChain.Txpool.TxQueue[tail]
 			} else {
-				head++
+				cphm.pbftNode.CurChain.Txpool.TxQueue[firstPtr] = ptx
+				firstPtr++
 			}
 		}
-		cphm.pbftNode.CurChain.Txpool.TxQueue = cphm.pbftNode.CurChain.Txpool.TxQueue[:tail]
+		cphm.pbftNode.CurChain.Txpool.TxQueue = cphm.pbftNode.CurChain.Txpool.TxQueue[:firstPtr]
 
 		cphm.pbftNode.pl.Plog.Printf("The txSend to shard %d is generated \n", i)
 		ast := message.AccountStateAndTx{
diff --git a/consensus_shard/pbft_all/accountTransfermod_Broker.go b/consensus_shard/pbft_all/accountTransfermod_Broker.go
index 35bf535..5676907 100644
--- a/consensus_shard/pbft_all/accountTransfermod_Broker.go
+++ b/consensus_shard/pbft_all/accountTransfermod_Broker.go
@@ -85,10 +85,9 @@ func (cphm *CLPAPbftInsideExtraHandleMod_forBroker) sendAccounts_and_Txs() {
 		}
 		// fetch transactions to it, after the transactions is fetched, delete it in the pool
 		txSend := make([]*core.Transaction, 0)
-		head := 0
-		tail := len(cphm.pbftNode.CurChain.Txpool.TxQueue)
-		for head < tail {
-			ptx := cphm.pbftNode.CurChain.Txpool.TxQueue[head]
+		firstPtr := 0
+		for secondPtr := 0; secondPtr < len(cphm.pbftNode.CurChain.Txpool.TxQueue); secondPtr++ {
+			ptx := cphm.pbftNode.CurChain.Txpool.TxQueue[secondPtr]
 			// whether should be transfer or not
 			beSend := false
 			beRemoved := false
@@ -119,14 +118,12 @@ func (cphm *CLPAPbftInsideExtraHandleMod_forBroker) sendAccounts_and_Txs() {
 			if beSend {
 				txSend = append(txSend, ptx)
 			}
-			if beRemoved {
-				tail--
-				cphm.pbftNode.CurChain.Txpool.TxQueue[head] = cphm.pbftNode.CurChain.Txpool.TxQueue[tail]
-			} else {
-				head++
+			if !beRemoved {
+				cphm.pbftNode.CurChain.Txpool.TxQueue[firstPtr] = cphm.pbftNode.CurChain.Txpool.TxQueue[secondPtr]
+				firstPtr++
 			}
 		}
-		cphm.pbftNode.CurChain.Txpool.TxQueue = cphm.pbftNode.CurChain.Txpool.TxQueue[:tail]
+		cphm.pbftNode.CurChain.Txpool.TxQueue = cphm.pbftNode.CurChain.Txpool.TxQueue[:firstPtr]
 
 		cphm.pbftNode.pl.Plog.Printf("The txSend to shard %d is generated \n", i)
 		ast := message.AccountStateAndTx{
diff --git a/docs/versionUpdate.md b/docs/versionUpdate.md
index 346e0f2..68fdcbd 100644
--- a/docs/versionUpdate.md
+++ b/docs/versionUpdate.md
@@ -1,5 +1,10 @@
 # Version Updates
 
+## 2023/07/21
+**Problem**: The account transferring led to the slight disorganization of txpool. 
+- **Reason**: The algorithm saved the cost, but mixed up the txpool. 
+- **Solution**: We rewrite the algorithm, so that it can keep the order of txpool with a small cost. 
+
 ## 2023/07/18
 **Problem**: The tcp connection will report err if the number of shards or nodes is too large.   
 - **Reason**: The tcp connection is implemented as a *short connection*, which results in too many simultaneous connections due to tcp's wait_close time delaying the closing of the tcp connection.