diff --git a/core/state/pruner/pruner.go b/core/state/pruner/pruner.go
index 3758793207..dfd5ab280a 100644
--- a/core/state/pruner/pruner.go
+++ b/core/state/pruner/pruner.go
@@ -64,6 +64,8 @@ const (
 	// triggering range compaction. It's a quite arbitrary number but just
 	// to avoid triggering range compaction because of small deletion.
 	rangeCompactionThreshold = 100000
+
+	FixedPrefixAndAddrSize = 33
 )
 
 // Config includes all the configurations for pruning.
@@ -136,6 +138,9 @@ func NewPruner(db ethdb.Database, config Config, triesInMemory uint64) (*Pruner,
 
 	flattenBlockHash := rawdb.ReadCanonicalHash(db, headBlock.NumberU64()-triesInMemory)
 	flattenBlock := rawdb.ReadHeader(db, flattenBlockHash, headBlock.NumberU64()-triesInMemory)
+	if flattenBlock == nil {
+		return nil, fmt.Errorf("cannot find %v depth block, it cannot prune", triesInMemory)
+	}
 	return &Pruner{
 		config:        config,
 		chainHeader:   headBlock.Header(),
@@ -831,7 +836,7 @@ func asyncScanUnExpiredInTrie(db *trie.Database, stateRoot common.Hash, epoch ty
 			return err
 		}
 		if time.Since(logged) > 8*time.Second {
-			log.Info("Pruning expired states", "trieNodes", trieCount.Load())
+			log.Info("Scan unexpired states", "trieNodes", trieCount.Load())
 			logged = time.Now()
 		}
 	}
@@ -866,7 +871,7 @@ func asyncScanExpiredInTrie(db *trie.Database, stateRoot common.Hash, epoch type
 			return err
 		}
 		if time.Since(logged) > 8*time.Second {
-			log.Info("Pruning expired states", "trieNodes", trieCount.Load())
+			log.Info("Scan unexpired states", "trieNodes", trieCount.Load())
 			logged = time.Now()
 		}
 	}
@@ -877,6 +882,7 @@ func asyncScanExpiredInTrie(db *trie.Database, stateRoot common.Hash, epoch type
 
 func asyncPruneExpiredStorageInDisk(diskdb ethdb.Database, pruneExpiredInDisk chan *trie.NodeInfo, bloom *bloomfilter.Filter, scheme string) error {
 	var (
+		itemCount      = 0
 		trieCount      = 0
 		epochMetaCount = 0
 		snapCount      = 0
@@ -891,46 +897,53 @@ func asyncPruneExpiredStorageInDisk(diskdb ethdb.Database, pruneExpiredInDisk ch
 		log.Debug("found expired state", "addr", info.Addr, "path",
 			hex.EncodeToString(info.Path), "epoch", info.Epoch, "isBranch",
 			info.IsBranch, "isLeaf", info.IsLeaf)
+		itemCount++
 		addr := info.Addr
-		// delete trie kv
-		trieCount++
 		switch scheme {
 		case rawdb.PathScheme:
 			val := rawdb.ReadTrieNode(diskdb, addr, info.Path, info.Hash, rawdb.PathScheme)
 			if len(val) == 0 {
-				log.Warn("cannot find source trie?", "addr", addr, "path", info.Path, "hash", info.Hash)
+				log.Debug("cannot find source trie?", "addr", addr, "path", info.Path, "hash", info.Hash, "epoch", info.Epoch)
+			} else {
+				trieCount++
+				trieSize += common.StorageSize(len(val) + FixedPrefixAndAddrSize + len(info.Path))
+				rawdb.DeleteTrieNode(batch, addr, info.Path, info.Hash, rawdb.PathScheme)
 			}
-			trieSize += common.StorageSize(len(val) + 33 + len(info.Path))
-			rawdb.DeleteTrieNode(batch, addr, info.Path, info.Hash, rawdb.PathScheme)
 		case rawdb.HashScheme:
 			// hbss has shared kv, so using bloom to filter them out.
 			if bloom == nil || !bloom.Contains(stateBloomHasher(info.Hash.Bytes())) {
 				val := rawdb.ReadTrieNode(diskdb, addr, info.Path, info.Hash, rawdb.HashScheme)
 				if len(val) == 0 {
-					log.Warn("cannot find source trie?", "addr", addr, "path", info.Path, "hash", info.Hash)
+					log.Debug("cannot find source trie?", "addr", addr, "path", info.Path, "hash", info.Hash, "epoch", info.Epoch)
+				} else {
+					trieCount++
+					trieSize += common.StorageSize(len(val) + FixedPrefixAndAddrSize)
+					rawdb.DeleteTrieNode(batch, addr, info.Path, info.Hash, rawdb.HashScheme)
 				}
-				trieSize += common.StorageSize(len(val) + 33)
-				rawdb.DeleteTrieNode(batch, addr, info.Path, info.Hash, rawdb.HashScheme)
 			}
 		}
 		// delete epoch meta
 		if info.IsBranch {
-			epochMetaCount++
 			val := rawdb.ReadEpochMetaPlainState(diskdb, addr, string(info.Path))
-			if len(val) == 0 {
-				log.Warn("cannot find source epochmeta?", "addr", addr, "path", info.Path, "hash", info.Hash)
+			if len(val) == 0 && info.Epoch > types.StateEpoch0 {
+				log.Debug("cannot find source epochmeta?", "addr", addr, "path", info.Path, "hash", info.Hash, "epoch", info.Epoch)
+			}
+			if len(val) > 0 {
+				epochMetaCount++
+				epochMetaSize += common.StorageSize(FixedPrefixAndAddrSize + len(info.Path) + len(val))
+				rawdb.DeleteEpochMetaPlainState(batch, addr, string(info.Path))
 			}
-			epochMetaSize += common.StorageSize(33 + len(info.Path) + len(val))
-			rawdb.DeleteEpochMetaPlainState(batch, addr, string(info.Path))
 		}
 		// replace snapshot kv only epoch
 		if info.IsLeaf {
-			snapCount++
 			size, err := snapshot.ShrinkExpiredLeaf(batch, diskdb, addr, info.Key, info.Epoch, scheme)
 			if err != nil {
 				log.Error("ShrinkExpiredLeaf err", "addr", addr, "key", info.Key, "err", err)
 			}
-			snapSize += common.StorageSize(size)
+			if size > 0 {
+				snapCount++
+				snapSize += common.StorageSize(size)
+			}
 		}
 		if batch.ValueSize() >= ethdb.IdealBatchSize {
 			if err := batch.Write(); err != nil {
@@ -939,7 +952,7 @@ func asyncPruneExpiredStorageInDisk(diskdb ethdb.Database, pruneExpiredInDisk ch
 			batch.Reset()
 		}
 		if time.Since(logged) > 8*time.Second {
-			log.Info("Pruning expired states", "trieNodes", trieCount, "trieSize", trieSize,
+			log.Info("Pruning expired states", "items", itemCount, "trieNodes", trieCount, "trieSize", trieSize,
 				"SnapKV", snapCount, "SnapKVSize", snapSize, "EpochMeta", epochMetaCount,
 				"EpochMetaSize", epochMetaSize)
 			logged = time.Now()
@@ -951,7 +964,7 @@ func asyncPruneExpiredStorageInDisk(diskdb ethdb.Database, pruneExpiredInDisk ch
 		}
 		batch.Reset()
 	}
-	log.Info("Pruned expired states", "trieNodes", trieCount, "trieSize", trieSize,
+	log.Info("Pruned expired states", "items", itemCount, "trieNodes", trieCount, "trieSize", trieSize,
 		"SnapKV", snapCount, "SnapKVSize", snapSize, "EpochMeta", epochMetaCount,
 		"EpochMetaSize", epochMetaSize, "elapsed", common.PrettyDuration(time.Since(start)))
 	// Start compactions, will remove the deleted data from the disk immediately.
diff --git a/core/state/snapshot/snapshot_expire.go b/core/state/snapshot/snapshot_expire.go
index 7659131a77..6659494914 100644
--- a/core/state/snapshot/snapshot_expire.go
+++ b/core/state/snapshot/snapshot_expire.go
@@ -16,7 +16,8 @@ func ShrinkExpiredLeaf(writer ethdb.KeyValueWriter, reader ethdb.KeyValueReader,
 	case rawdb.PathScheme:
 		val := rawdb.ReadStorageSnapshot(reader, accountHash, storageHash)
 		if len(val) == 0 {
-			log.Warn("cannot find source snapshot?", "addr", accountHash, "path", storageHash)
+			log.Warn("cannot find source snapshot?", "addr", accountHash, "key", storageHash, "epoch", epoch)
+			return 0, nil
 		}
 		valWithEpoch := NewValueWithEpoch(epoch, nil)
 		enc, err := EncodeValueToRLPBytes(valWithEpoch)
diff --git a/trie/epochmeta/disklayer.go b/trie/epochmeta/disklayer.go
index ac82dc441f..cc7894736c 100644
--- a/trie/epochmeta/disklayer.go
+++ b/trie/epochmeta/disklayer.go
@@ -14,7 +14,7 @@ import (
 )
 
 const (
-	defaultDiskLayerCacheSize = 100000
+	defaultDiskLayerCacheSize = 1024000
 )
 
 type diskLayer struct {
diff --git a/trie/inspect_trie.go b/trie/inspect_trie.go
index d00c6fde75..64c9bedd6e 100644
--- a/trie/inspect_trie.go
+++ b/trie/inspect_trie.go
@@ -236,7 +236,7 @@ func (inspect *Inspector) ConcurrentTraversal(theTrie *Trie, theTrieTreeStat *Tr
 			}
 			if len(inspect.concurrentQueue)*2 < cap(inspect.concurrentQueue) {
 				inspect.wg.Add(1)
-				go inspect.SubConcurrentTraversal(theTrie, theTrieTreeStat, child, height+1, copyNewSlice(path, []byte{byte(idx)}))
+				go inspect.SubConcurrentTraversal(theTrie, theTrieTreeStat, child, height+1, copy2NewBytes(path, []byte{byte(idx)}))
 			} else {
 				inspect.ConcurrentTraversal(theTrie, theTrieTreeStat, child, height+1, append(path, byte(idx)))
 			}
diff --git a/trie/proof.go b/trie/proof.go
index f4c784c143..6b8a080a1e 100644
--- a/trie/proof.go
+++ b/trie/proof.go
@@ -919,7 +919,7 @@ func (m *MPTProofCache) VerifyProof() error {
 	prefix := m.RootKeyHex
 	for i := 0; i < len(m.cacheNodes); i++ {
 		if i-1 >= 0 {
-			prefix = copyNewSlice(prefix, m.cacheHexPath[i-1])
+			prefix = copy2NewBytes(prefix, m.cacheHexPath[i-1])
 		}
 		// prefix = append(prefix, m.cacheHexPath[i]...)
 		n1 := m.cacheNodes[i]
@@ -938,7 +938,7 @@ func (m *MPTProofCache) VerifyProof() error {
 		}
 		if merge {
 			i++
-			prefix = copyNewSlice(prefix, m.cacheHexPath[i-1])
+			prefix = copy2NewBytes(prefix, m.cacheHexPath[i-1])
 			nub.n2 = m.cacheNodes[i]
 			nub.n2PrefixKey = prefix
 		}
@@ -948,13 +948,19 @@ func (m *MPTProofCache) VerifyProof() error {
 	return nil
 }
 
-func copyNewSlice(s1, s2 []byte) []byte {
+func copy2NewBytes(s1, s2 []byte) []byte {
 	ret := make([]byte, len(s1)+len(s2))
 	copy(ret, s1)
 	copy(ret[len(s1):], s2)
 	return ret
 }
 
+func renewBytes(s []byte) []byte {
+	ret := make([]byte, len(s))
+	copy(ret, s)
+	return ret
+}
+
 func (m *MPTProofCache) CacheNubs() []*MPTProofNub {
 	return m.cacheNubs
 }
diff --git a/trie/trie.go b/trie/trie.go
index a3bd7ced8a..0a401ee95e 100644
--- a/trie/trie.go
+++ b/trie/trie.go
@@ -1582,26 +1582,34 @@ func (t *Trie) findExpiredSubTree(n node, path []byte, epoch types.StateEpoch, p
 func (t *Trie) recursePruneExpiredNode(n node, path []byte, epoch types.StateEpoch, pruneItemCh chan *NodeInfo) error {
 	switch n := n.(type) {
 	case *shortNode:
+		subPath := append(path, n.Key...)
 		key := common.Hash{}
-		_, ok := n.Val.(valueNode)
-		if ok {
-			key = common.BytesToHash(hexToKeybytes(append(path, n.Key...)))
+		_, isLeaf := n.Val.(valueNode)
+		if isLeaf {
+			key = common.BytesToHash(hexToKeybytes(subPath))
 		}
-		err := t.recursePruneExpiredNode(n.Val, append(path, n.Key...), epoch, pruneItemCh)
-		if err != nil {
-			return err
-		}
-		// prune child first
 		pruneItemCh <- &NodeInfo{
 			Addr:   t.owner,
 			Hash:   common.BytesToHash(n.flags.hash),
-			Path:   path,
+			Path:   renewBytes(path),
 			Key:    key,
 			Epoch:  epoch,
-			IsLeaf: ok,
+			IsLeaf: isLeaf,
+		}
+
+		err := t.recursePruneExpiredNode(n.Val, subPath, epoch, pruneItemCh)
+		if err != nil {
+			return err
 		}
 		return nil
 	case *fullNode:
+		pruneItemCh <- &NodeInfo{
+			Addr:     t.owner,
+			Hash:     common.BytesToHash(n.flags.hash),
+			Path:     renewBytes(path),
+			Epoch:    epoch,
+			IsBranch: true,
+		}
 		// recurse child, and except valueNode
 		for i := 0; i < BranchNodeLength-1; i++ {
 			err := t.recursePruneExpiredNode(n.Children[i], append(path, byte(i)), n.EpochMap[i], pruneItemCh)
@@ -1609,25 +1617,21 @@ func (t *Trie) recursePruneExpiredNode(n node, path []byte, epoch types.StateEpo
 				return err
 			}
 		}
-		// prune child first
-		pruneItemCh <- &NodeInfo{
-			Addr:     t.owner,
-			Hash:     common.BytesToHash(n.flags.hash),
-			Path:     path,
-			Epoch:    epoch,
-			IsBranch: true,
-		}
 		return nil
 	case hashNode:
 		// hashNode is a index of trie node storage, need not prune.
-		resolve, err := t.resolveAndTrack(n, path)
+		rn, err := t.resolveAndTrack(n, path)
+		// if touch miss node, just skip
+		if _, ok := err.(*MissingNodeError); ok {
+			return nil
+		}
 		if err != nil {
 			return err
 		}
-		if err = t.resolveEpochMetaAndTrack(resolve, epoch, path); err != nil {
+		if err = t.resolveEpochMetaAndTrack(rn, epoch, path); err != nil {
 			return err
 		}
-		return t.recursePruneExpiredNode(resolve, path, epoch, pruneItemCh)
+		return t.recursePruneExpiredNode(rn, path, epoch, pruneItemCh)
 	case valueNode:
 		// value node is not a single storage uint, so pass to prune.
 		return nil
diff --git a/trie/triedb/pathdb/difflayer.go b/trie/triedb/pathdb/difflayer.go
index bea0208461..4ffe0bee2f 100644
--- a/trie/triedb/pathdb/difflayer.go
+++ b/trie/triedb/pathdb/difflayer.go
@@ -113,7 +113,7 @@ func (dl *diffLayer) node(owner common.Hash, path []byte, hash common.Hash, dept
 			// bubble up an error here. It shouldn't happen at all.
 			if n.Hash != hash {
 				dirtyFalseMeter.Mark(1)
-				log.Error("Unexpected trie node in diff layer", "root", dl.root, "owner", owner, "path", path, "expect", hash, "got", n.Hash)
+				log.Debug("Unexpected trie node in diff layer", "root", dl.root, "owner", owner, "path", path, "expect", hash, "got", n.Hash)
 				return nil, newUnexpectedNodeError("diff", hash, n.Hash, owner, path)
 			}
 			dirtyHitMeter.Mark(1)
diff --git a/trie/triedb/pathdb/disklayer.go b/trie/triedb/pathdb/disklayer.go
index 87718290f9..80da6db7da 100644
--- a/trie/triedb/pathdb/disklayer.go
+++ b/trie/triedb/pathdb/disklayer.go
@@ -133,7 +133,7 @@ func (dl *diskLayer) Node(owner common.Hash, path []byte, hash common.Hash) ([]b
 				return blob, nil
 			}
 			cleanFalseMeter.Mark(1)
-			log.Error("Unexpected trie node in clean cache", "owner", owner, "path", path, "expect", hash, "got", got)
+			log.Debug("Unexpected trie node in clean cache", "owner", owner, "path", path, "expect", hash, "got", got)
 		}
 		cleanMissMeter.Mark(1)
 	}
@@ -149,7 +149,7 @@ func (dl *diskLayer) Node(owner common.Hash, path []byte, hash common.Hash) ([]b
 	}
 	if nHash != hash {
 		diskFalseMeter.Mark(1)
-		log.Error("Unexpected trie node in disk", "owner", owner, "path", path, "expect", hash, "got", nHash)
+		log.Debug("Unexpected trie node in disk", "owner", owner, "path", path, "expect", hash, "got", nHash)
 		return nil, newUnexpectedNodeError("disk", hash, nHash, owner, path)
 	}
 	if dl.cleans != nil && len(nBlob) > 0 {
diff --git a/trie/triedb/pathdb/nodebuffer.go b/trie/triedb/pathdb/nodebuffer.go
index 67de225b04..42d06bd6dd 100644
--- a/trie/triedb/pathdb/nodebuffer.go
+++ b/trie/triedb/pathdb/nodebuffer.go
@@ -70,7 +70,7 @@ func (b *nodebuffer) node(owner common.Hash, path []byte, hash common.Hash) (*tr
 	}
 	if n.Hash != hash {
 		dirtyFalseMeter.Mark(1)
-		log.Error("Unexpected trie node in node buffer", "owner", owner, "path", path, "expect", hash, "got", n.Hash)
+		log.Debug("Unexpected trie node in node buffer", "owner", owner, "path", path, "expect", hash, "got", n.Hash)
 		return nil, newUnexpectedNodeError("dirty", hash, n.Hash, owner, path)
 	}
 	return n, nil