diff --git a/actions/common/common.go b/actions/common/common.go
index ce51051..e0eb0c2 100644
--- a/actions/common/common.go
+++ b/actions/common/common.go
@@ -5,6 +5,7 @@ import (
 	"database/sql"
 	"fmt"
 	"github/fthvgb1/wp-go/cache"
+	"github/fthvgb1/wp-go/helper"
 	"github/fthvgb1/wp-go/logs"
 	"github/fthvgb1/wp-go/models"
 	"github/fthvgb1/wp-go/vars"
@@ -20,6 +21,7 @@ var recentPostsCaches *cache.SliceCache[models.WpPosts]
 var recentCommentsCaches *cache.SliceCache[models.WpComments]
 var postCommentCaches *cache.MapCache[uint64, []models.WpComments]
 var postsCache *cache.MapCache[uint64, models.WpPosts]
+var monthPostsCache *cache.MapCache[string, []uint64]
 
 func InitActionsCommonCache() {
 	archivesCaches = &Arch{
@@ -27,9 +29,12 @@ func InitActionsCommonCache() {
 		setCacheFunc: archives,
 	}
 
+	monthPostsCache = cache.NewMapCache[string, []uint64](monthPost, time.Hour)
+
 	postContextCache = cache.NewMapCache[uint64, PostContext](getPostContext, vars.Conf.ContextPostCacheTime)
 
 	postsCache = cache.NewMapBatchCache[uint64, models.WpPosts](getPosts, time.Hour)
+	postsCache.SetCacheFunc(getPost)
 
 	categoryCaches = cache.NewSliceCache[models.WpTermsMy](categories, vars.Conf.CategoryCacheTime)
 
@@ -39,6 +44,45 @@ func InitActionsCommonCache() {
 	postCommentCaches = cache.NewMapCache[uint64, []models.WpComments](postComments, time.Minute*5)
 }
 
+func GetMonthPostIds(ctx context.Context, year, month string, page, limit int, order string) (r []models.WpPosts, total int, err error) {
+	res, err := monthPostsCache.GetCache(ctx, fmt.Sprintf("%s%s", year, month), time.Second, year, month)
+	if err != nil {
+		return
+	}
+	if order == "desc" {
+		res = helper.SliceReverse(res)
+	}
+	total = len(res)
+	rr := helper.SlicePagination(res, page, limit)
+	r, err = GetPosts(ctx, rr)
+	return
+}
+
+func monthPost(args ...any) (r []uint64, err error) {
+	year, month := args[0].(string), args[1].(string)
+	where := models.SqlBuilder{
+		{"post_type", "in", ""},
+		{"post_status", "in", ""},
+		{"year(post_date)", year},
+		{"month(post_date)", month},
+	}
+	postType := []any{"post"}
+	status := []any{"publish"}
+	ids, err := models.Find[models.WpPosts](where, "ID", "", models.SqlBuilder{{"Id", "asc"}}, nil, 0, postType, status)
+	if err != nil {
+		return
+	}
+	for _, post := range ids {
+		r = append(r, post.Id)
+	}
+	return
+}
+
+type PostIds struct {
+	Ids    []uint64
+	Length int
+}
+
 type Arch struct {
 	data         []models.PostArchive
 	mutex        *sync.Mutex
diff --git a/actions/common/posts.go b/actions/common/posts.go
index 04bf3f7..670315c 100644
--- a/actions/common/posts.go
+++ b/actions/common/posts.go
@@ -9,15 +9,19 @@ import (
 	"time"
 )
 
-func GetPostAndCache(ctx context.Context, id uint64, ids ...uint64) (models.WpPosts, error) {
+func GetPostAndCache(ctx context.Context, id uint64) (models.WpPosts, error) {
 
-	return postsCache.GetCacheBatch(ctx, id, time.Second, ids)
+	return postsCache.GetCache(ctx, id, time.Second, id)
 }
 
 func GetPost(id uint64) models.WpPosts {
 	return postsCache.Get(id)
 }
 
+func GetPosts(ctx context.Context, ids []uint64) ([]models.WpPosts, error) {
+	return postsCache.GetCacheBatch(ctx, ids, time.Second, ids)
+}
+
 func SetPostCache(ids []models.WpPosts) error {
 	var arg []uint64
 	for _, posts := range ids {
@@ -26,6 +30,16 @@ func SetPostCache(ids []models.WpPosts) error {
 	return postsCache.SetByBatchFn(arg)
 }
 
+func getPost(id ...any) (post models.WpPosts, err error) {
+	Id := id[0].(uint64)
+	posts, err := getPosts([]uint64{Id})
+	if err != nil {
+		return models.WpPosts{}, err
+	}
+	post = posts[Id]
+	return
+}
+
 func getPosts(ids ...any) (m map[uint64]models.WpPosts, err error) {
 	m = make(map[uint64]models.WpPosts)
 	id := ids[0].([]uint64)
diff --git a/actions/detail.go b/actions/detail.go
index fd9666a..513430f 100644
--- a/actions/detail.go
+++ b/actions/detail.go
@@ -56,7 +56,7 @@ func Detail(c *gin.Context) {
 		}
 	}
 	ID := uint64(Id)
-	post, err := common.GetPostAndCache(c, ID, ID)
+	post, err := common.GetPostAndCache(c, ID)
 	if post.Id == 0 || err != nil {
 		return
 	}
diff --git a/actions/index.go b/actions/index.go
index a20944b..c89f23b 100644
--- a/actions/index.go
+++ b/actions/index.go
@@ -168,12 +168,25 @@ func Index(c *gin.Context) {
 		"title":          h.getTitle(),
 		"recentComments": recentComments,
 	}
-	postIds, totalRaw, err := models.SimplePagination[models.WpPosts](h.where, "ID", "", h.page, h.pageSize, h.orderBy, h.join, h.postType, h.status)
+	var postIds []models.WpPosts
+	var totalRaw int
+	var err error
+	if c.Param("month") != "" {
+		postIds, totalRaw, err = common.GetMonthPostIds(c, c.Param("year"), c.Param("month"), h.page, h.pageSize, h.order)
+		if err != nil {
+			return
+		}
+	} else {
+		postIds, totalRaw, err = models.SimplePagination[models.WpPosts](h.where, "ID", "", h.page, h.pageSize, h.orderBy, h.join, h.postType, h.status)
+	}
+
 	defer func() {
-		c.HTML(http.StatusOK, "posts/index.gohtml", ginH)
+		stat := http.StatusOK
 		if err != nil {
 			c.Error(err)
+			stat = http.StatusInternalServerError
 		}
+		c.HTML(stat, "posts/index.gohtml", ginH)
 	}()
 	if err != nil {
 		return
@@ -181,10 +194,7 @@ func Index(c *gin.Context) {
 	if len(postIds) < 1 && h.category != "" {
 		h.titleL = "未找到页面"
 	}
-	err = common.SetPostCache(postIds)
-	if err != nil {
-		return
-	}
+
 	pw := h.session.Get("post_password")
 	plug := plugins.NewPostPlugin(c, h.scene)
 	for i, v := range postIds {
@@ -203,6 +213,9 @@ func Index(c *gin.Context) {
 		}
 	}
 	q := c.Request.URL.Query().Encode()
+	if q != "" {
+		q = fmt.Sprintf("?%s", q)
+	}
 	ginH["posts"] = postIds
 	ginH["totalPage"] = h.getTotalPage(totalRaw)
 	ginH["pagination"] = pagination(h.page, h.totalPage, h.paginationStep, c.Request.URL.Path, q)
diff --git a/cache/map.go b/cache/map.go
index cd08979..b7fe63e 100644
--- a/cache/map.go
+++ b/cache/map.go
@@ -22,6 +22,14 @@ type mapCacheStruct[T any] struct {
 	data    T
 }
 
+func (m *MapCache[K, V]) SetCacheFunc(fn func(...any) (V, error)) {
+	m.setCacheFunc = fn
+}
+
+func (m *MapCache[K, V]) SetCacheBatchFunc(fn func(...any) (map[K]V, error)) {
+	m.setBatchCacheFn = fn
+}
+
 func NewMapCache[K comparable, V any](fun func(...any) (V, error), expireTime time.Duration) *MapCache[K, V] {
 	return &MapCache[K, V]{
 		mutex:        &sync.Mutex{},
@@ -133,20 +141,35 @@ func (m *MapCache[K, V]) GetCache(c context.Context, key K, timeout time.Duratio
 	return data.data, err
 }
 
-func (m *MapCache[K, V]) GetCacheBatch(c context.Context, key K, timeout time.Duration, params ...any) (V, error) {
-	data, ok := m.data[key]
-	if !ok {
-		data = mapCacheStruct[V]{}
+func (m *MapCache[K, V]) GetCacheBatch(c context.Context, key []K, timeout time.Duration, params ...any) ([]V, error) {
+	var needFlush []K
+	var res []V
+	t := 0
+	for _, k := range key {
+		d, ok := m.data[k]
+		if !ok {
+			needFlush = append(needFlush, k)
+			continue
+		}
+		expired := time.Duration(d.setTime.Unix())+m.expireTime/time.Second < time.Duration(time.Now().Unix())
+		if expired {
+			needFlush = append(needFlush, k)
+		}
+		t = t + d.incr
 	}
 	var err error
-	expired := time.Duration(data.setTime.Unix())+m.expireTime/time.Second < time.Duration(time.Now().Unix())
 	//todo 这里应该判断下取出的值是否为零值，不过怎么操作呢？
-	if !ok || (ok && m.expireTime >= 0 && expired) {
-		t := data.incr
+	if len(needFlush) > 0 {
 		call := func() {
 			m.mutex.Lock()
 			defer m.mutex.Unlock()
-			if data.incr > t {
+			tt := 0
+			for _, dd := range needFlush {
+				if ddd, ok := m.data[dd]; ok {
+					tt = tt + ddd.incr
+				}
+			}
+			if tt > t {
 				return
 			}
 			r, er := m.setBatchCacheFn(params...)
@@ -157,7 +180,6 @@ func (m *MapCache[K, V]) GetCacheBatch(c context.Context, key K, timeout time.Du
 			for k, v := range r {
 				m.set(k, v)
 			}
-			data.data = m.data[key].data
 		}
 		if timeout > 0 {
 			ctx, cancel := context.WithTimeout(c, timeout)
@@ -175,7 +197,10 @@ func (m *MapCache[K, V]) GetCacheBatch(c context.Context, key K, timeout time.Du
 		} else {
 			call()
 		}
-
 	}
-	return data.data, err
+	for _, k := range key {
+		d := m.data[k]
+		res = append(res, d.data)
+	}
+	return res, err
 }
diff --git a/helper/func.go b/helper/func.go
index 3ec8a6e..99d0d9d 100644
--- a/helper/func.go
+++ b/helper/func.go
@@ -34,6 +34,9 @@ func StructColumn[T any, M any](arr []M, field string) (r []T) {
 }
 
 func RangeSlice[T ~int | ~uint | ~int64 | ~int8 | ~int16 | ~int32 | ~uint64](start, end, step T) []T {
+	if step == 0 {
+		panic("step can't be 0")
+	}
 	l := int((end-start+1)/step + 1)
 	if l < 0 {
 		l = 0 - l
@@ -218,3 +221,12 @@ func SliceReverse[T any](arr []T) []T {
 	}
 	return r
 }
+
+func SliceSelfReverse[T any](arr []T) []T {
+	l := len(arr)
+	half := l / 2
+	for i := 0; i < half; i++ {
+		arr[i], arr[l-i-1] = arr[l-i-1], arr[i]
+	}
+	return arr
+}
diff --git a/helper/func_test.go b/helper/func_test.go
index 1071998..063ca15 100644
--- a/helper/func_test.go
+++ b/helper/func_test.go
@@ -473,3 +473,35 @@ func TestToInterface(t *testing.T) {
 		})
 	}
 }
+
+func TestSliceSelfReverse(t *testing.T) {
+	type args struct {
+		arr []int
+	}
+	tests := []struct {
+		name string
+		args args
+		want []int
+	}{
+		{
+			name: "t1",
+			args: args{
+				arr: RangeSlice(1, 10, 1),
+			},
+			want: RangeSlice(10, 1, -1),
+		}, {
+			name: "t2",
+			args: args{
+				arr: RangeSlice(1, 9, 1),
+			},
+			want: RangeSlice(9, 1, -1),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := SliceSelfReverse(tt.args.arr); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("SliceSelfReverse() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}