diff --git a/hashmap/bucket.go b/hashmap/bucket.go
index 5c58eb2..8645670 100644
--- a/hashmap/bucket.go
+++ b/hashmap/bucket.go
@@ -40,16 +40,17 @@ func (bkt *hmBucket) Add(hash uint, k, v interface{}, Compare compare.Compare) {
 		}
 	}
 
-	bkt.size++
 	if bkt.size < uint(len(bkt.data)) {
 		n := bkt.data[bkt.size]
 		n.hash = hash
 		n.key = k
 		n.value = v
+		bkt.size++
 		return
 	}
 
 	bkt.data = append(bkt.data, &bucketNode{key: k, value: v, hash: hash})
+	bkt.size++
 }
 
 func (bkt *hmBucket) AddNode(node *bucketNode, Compare compare.Compare) {
@@ -65,10 +66,11 @@ func (bkt *hmBucket) AddNode(node *bucketNode, Compare compare.Compare) {
 		}
 	}
 
-	bkt.size++
 	if bkt.size < uint(len(bkt.data)) {
 		bkt.data[bkt.size] = node
+		bkt.size++
 		return
 	}
 	bkt.data = append(bkt.data, node)
+	bkt.size++
 }
diff --git a/hashmap/hashmap2 b/hashmap/gomap/hashmap.go
similarity index 98%
rename from hashmap/hashmap2
rename to hashmap/gomap/hashmap.go
index 56cd19f..438fe84 100644
--- a/hashmap/hashmap2
+++ b/hashmap/gomap/hashmap.go
@@ -1,4 +1,4 @@
-package hashmap
+package gomap
 
 import "fmt"
 
diff --git a/hashmap/hashmap.go b/hashmap/hashmap.go
index 3567850..aa8dbde 100644
--- a/hashmap/hashmap.go
+++ b/hashmap/hashmap.go
@@ -12,8 +12,9 @@ type HashMap struct {
 
 	table *Table
 
-	GetHash  HashCode
-	Compare  compare.Compare
+	GetHash HashCode
+	Compare compare.Compare
+
 	growsize uint
 	size     uint
 }
@@ -40,33 +41,34 @@ func (hm *HashMap) countNextGrow() {
 	hm.growsize = hm.table.Cap() << 1
 }
 
-var growcount = 0
-
 func (hm *HashMap) grow() {
 	if hm.size >= hm.growsize {
-
 		newsize := hm.size << 1
 		// newtable := make([]*avlTree, newsize, newsize)
 		hm.table.Grow(int(newsize - hm.size))
-		nodelist := make([]*bucketNode, hm.size, hm.size)
-
-		var count = 0
-		for i := 0; i < len(hm.table.data); i++ {
-			curbkt := hm.table.data[i]
-			tnodelist := curbkt.data
-			for _, n := range tnodelist {
-				nodelist[count] = n
-				count++
+		nodelist := make([]*avlNode, hm.size, hm.size)
+		i := 0
+		hm.table.Traversal(func(cur *avlTree) {
+			if cur != nil {
+				cur.Traversal(func(node *avlNode) bool {
+					nodelist[i] = node
+					i++
+					return true
+				})
+				cur.Clear()
 			}
-			curbkt.size = 0
-		}
+		})
 
+		var hash, index uint
 		for _, node := range nodelist {
-			index := node.hash % hm.table.cap
+			hash = hm.GetHash(node.key)
+			index = hash % hm.table.cap
 			//bkt := newtable[index]
-			hm.table.data[index].AddNode(node, hm.Compare)
-			// bkt.data
-			// bkt.PutNode(node)
+			bkt := hm.table.GetWithNilSet(index, func(data []*avlTree, idx uint) {
+				data[idx] = avlNew(hm.Compare)
+			})
+			node.clearAttr()
+			bkt.PutNode(node)
 		}
 
 		hm.countNextGrow()
@@ -74,13 +76,18 @@ func (hm *HashMap) grow() {
 }
 
 func (hm *HashMap) Put(key, value interface{}) {
-
 	hash := hm.GetHash(key)
+
 	tlen := hm.table.Cap()
 	index := hash % tlen
 
-	bkt := hm.table.GetWithNilSet(index)
-	bkt.Add(hash, key, value, hm.Compare)
+	bkt := hm.table.GetWithNilSet(index, func(data []*avlTree, idx uint) {
+		data[idx] = avlNew(hm.Compare)
+	})
+	if bkt.Put(key, value) {
+		hm.size++
+		hm.grow()
+	}
 }
 
 func (hm *HashMap) Get(key interface{}) (interface{}, bool) {
@@ -91,7 +98,7 @@ func (hm *HashMap) Get(key interface{}) (interface{}, bool) {
 
 	bkt := hm.table.Get(index)
 	if bkt != nil {
-		return bkt.Get(key, hm.Compare), true
+		return bkt.Get(key)
 	}
 	return nil, false
 }
diff --git a/hashmap/hashmap_test.go b/hashmap/hashmap_test.go
index b9e42cf..f206242 100644
--- a/hashmap/hashmap_test.go
+++ b/hashmap/hashmap_test.go
@@ -26,11 +26,9 @@ func loadTestData() []int {
 }
 func TestCount(t *testing.T) {
 	hm := New(HashInt, compare.Int)
-
-	for i := 0; i < 100000; i++ {
-		hm.Put(i, i)
-	}
-
+	// for i := 0; i < 100000; i++ {
+	// 	hm.Put(i, i)
+	// }
 	for i := 0; i < 100000; i++ {
 		hm.Put(i, i)
 	}
diff --git a/hashmap/table.go b/hashmap/table.go
index 493ebf0..3944ca2 100644
--- a/hashmap/table.go
+++ b/hashmap/table.go
@@ -8,13 +8,13 @@ type Table struct {
 	size     uint
 	growsize uint
 
-	data []hmBucket
+	data []*avlTree
 	cap  uint
 }
 
 func newTable() *Table {
 	table := &Table{}
-	table.data = make([]hmBucket, 16, 16)
+	table.data = make([]*avlTree, 16, 16)
 	table.countCap()
 	return table
 }
@@ -27,20 +27,30 @@ func (t *Table) Cap() uint {
 	return t.cap
 }
 
+func (t *Table) Traversal(every func(node *avlTree)) {
+	for _, z := range t.data {
+		every(z)
+	}
+}
+
 func (t *Table) Grow(size int) {
 	zsize := len(t.data) + size
-	temp := make([]hmBucket, zsize, zsize)
+	temp := make([]*avlTree, zsize, zsize)
 	copy(temp, t.data)
 	t.data = temp
 	t.countCap()
 }
 
-func (t *Table) Get(idx uint) *hmBucket {
-	return &(t.data[idx])
+func (t *Table) Get(idx uint) *avlTree {
+	return t.data[idx]
 }
 
-func (t *Table) GetWithNilSet(idx uint) *hmBucket {
-	return &(t.data[idx])
+func (t *Table) GetWithNilSet(idx uint, DoSetValue func([]*avlTree, uint)) *avlTree {
+
+	if t.data[idx] == nil {
+		DoSetValue(t.data, idx)
+	}
+	return t.data[idx]
 }
 
 // func (arr *Table) Get(idx int) (interface{}, bool) {