diff --git a/kernel/api/block_op.go b/kernel/api/block_op.go
index 97261bee3..c88bdb50e 100644
--- a/kernel/api/block_op.go
+++ b/kernel/api/block_op.go
@@ -319,6 +319,13 @@ func moveBlock(c *gin.Context) {
 		return
 	}
 
+	currentBt := treenode.GetBlockTree(id)
+	if nil == currentBt {
+		ret.Code = -1
+		ret.Msg = "block not found [id=" + id + "]"
+		return
+	}
+
 	var parentID, previousID string
 	if nil != arg["parentID"] {
 		parentID = arg["parentID"].(string)
@@ -340,6 +347,19 @@ func moveBlock(c *gin.Context) {
 		}
 	}
 
+	var targetBt *treenode.BlockTree
+	if "" != previousID {
+		targetBt = treenode.GetBlockTree(previousID)
+	} else if "" != parentID {
+		targetBt = treenode.GetBlockTree(parentID)
+	}
+
+	if nil == targetBt {
+		ret.Code = -1
+		ret.Msg = "target block not found [id=" + parentID + "]"
+		return
+	}
+
 	transactions := []*model.Transaction{
 		{
 			DoOperations: []*model.Operation{
@@ -356,8 +376,10 @@ func moveBlock(c *gin.Context) {
 	model.PerformTransactions(&transactions)
 	model.FlushTxQueue()
 
-	ret.Data = transactions
-	broadcastTransactions(transactions)
+	model.ReloadProtyle(currentBt.RootID)
+	if currentBt.RootID != targetBt.RootID {
+		model.ReloadProtyle(targetBt.RootID)
+	}
 }
 
 func appendBlock(c *gin.Context) {