diff --git a/logic/lchain/lchain.go b/logic/lchain/lchain.go
index ac2f8336..2b94010b 100644
--- a/logic/lchain/lchain.go
+++ b/logic/lchain/lchain.go
@@ -53,7 +53,11 @@ func ConnectBlock(pblock *block.Block, pindex *blockindex.BlockIndex, view *utxo
 	if pindex.Prev == nil {
 		hashPrevBlock = &util.Hash{}
 	} else {
-		hashPrevBlock = pindex.GetBlockHash()
+		if fJustCheck {
+			hashPrevBlock = pindex.GetBlockHash()
+		} else {
+			hashPrevBlock = pindex.Prev.GetBlockHash()
+		}
 	}
 	gUtxo := utxo.GetUtxoCacheInstance()
 	bestHash, _ := gUtxo.GetBestBlock()