diff --git a/actions/common/common.go b/actions/common/common.go
index 6d52bab..57d3bae 100644
--- a/actions/common/common.go
+++ b/actions/common/common.go
@@ -5,6 +5,7 @@ import (
 	"github/fthvgb1/wp-go/cache"
 	"github/fthvgb1/wp-go/models"
 	"github/fthvgb1/wp-go/vars"
+	"log"
 	"strings"
 	"sync"
 	"time"
@@ -13,16 +14,44 @@ import (
 var PostsCache sync.Map
 var PostContextCache sync.Map
 
-var archivesCaches *cache.SliceCache[models.PostArchive]
+var archivesCaches *Arch[models.PostArchive]
 var categoryCaches *cache.SliceCache[models.WpTermsMy]
 var recentPostsCaches *cache.SliceCache[models.WpPosts]
 
 func InitCache() {
-	archivesCaches = cache.NewSliceCache[models.PostArchive](archives, vars.Conf.ArchiveCacheTime)
+	archivesCaches = &Arch[models.PostArchive]{
+		mutex:        &sync.Mutex{},
+		setCacheFunc: archives,
+	}
 	categoryCaches = cache.NewSliceCache[models.WpTermsMy](categories, vars.Conf.CategoryCacheTime)
 	recentPostsCaches = cache.NewSliceCache[models.WpPosts](recentPosts, vars.Conf.RecentPostCacheTime)
 }
 
+type Arch[T any] struct {
+	cache.SliceCache[T]
+	data         []T
+	mutex        *sync.Mutex
+	setCacheFunc func() ([]T, error)
+	month        time.Month
+}
+
+func (c *Arch[T]) GetCache() []T {
+	l := len(c.data)
+	m := time.Now().Month()
+	if l > 0 && c.month != m || l < 1 {
+		r, err := c.setCacheFunc()
+		if err != nil {
+			log.Printf("set cache err[%s]", err)
+			return nil
+		}
+		c.mutex.Lock()
+		defer c.mutex.Unlock()
+		c.month = m
+		c.data = r
+	}
+	return c.data
+}
+
 type PostContext struct {
 	Prev       models.WpPosts
 	Next       models.WpPosts
@@ -55,7 +84,7 @@ func getPostContext(t time.Time) (prev, next models.WpPosts, err error) {
 		{"post_date", ">", t.Format("2006-01-02 15:04:05")},
 		{"post_status", "publish"},
 		{"post_type", "post"},
-	}, "ID,post_title,post_password")
+	}, "ID,post_title,post_password", nil)
 	if _, ok := PostsCache.Load(next.Id); !ok {
 
 	}
@@ -63,7 +92,7 @@ func getPostContext(t time.Time) (prev, next models.WpPosts, err error) {
 		{"post_date", "<", t.Format("2006-01-02 15:04:05")},
 		{"post_status", "publish"},
 		{"post_type", "post"},
-	}, "ID,post_title")
+	}, "ID,post_title", models.SqlBuilder{{"post_date", "desc"}})
 	return
 }
 
diff --git a/actions/index.go b/actions/index.go
index c194ee6..892ad16 100644
--- a/actions/index.go
+++ b/actions/index.go
@@ -148,7 +148,18 @@ func (h *indexHandle) getTotalPage(totalRaws int) int {
 func Index(c *gin.Context) {
 	h := newIndexHandle(c)
 	h.parseParams()
-	ginH := gin.H{}
+	archive := common.Archives()
+	recent := common.RecentPosts()
+	categoryItems := common.Categories()
+	ginH := gin.H{
+		"options":     models.Options,
+		"recentPosts": recent,
+		"archives":    archive,
+		"categories":  categoryItems,
+		"search":      h.search,
+		"header":      h.header,
+		"title":       h.getTitle(),
+	}
 	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)
@@ -174,27 +185,16 @@ func Index(c *gin.Context) {
 		}
 		postIds[i] = px
 	}
-	recent := common.RecentPosts()
 	for i, post := range recent {
 		if post.PostPassword != "" && pw != post.PostPassword {
 			common.PasswdProjectContent(&recent[i])
 		}
 	}
-	archive := common.Archives()
-	categoryItems := common.Categories()
 	q := c.Request.URL.Query().Encode()
-	ginH = gin.H{
-		"posts":       postIds,
-		"options":     models.Options,
-		"recentPosts": recent,
-		"archives":    archive,
-		"categories":  categoryItems,
-		"totalPage":   h.getTotalPage(totalRaw),
-		"pagination":  pagination(h.page, h.totalPage, h.paginationStep, c.Request.URL.Path, q),
-		"search":      h.search,
-		"header":      h.header,
-		"title":       h.getTitle(),
-	}
+	ginH["posts"] = postIds
+	ginH["totalPage"] = h.getTotalPage(totalRaw)
+	ginH["pagination"] = pagination(h.page, h.totalPage, h.paginationStep, c.Request.URL.Path, q)
+	ginH["title"] = h.getTitle()
 }
 
 func pagination(currentPage, totalPage, step int, path, query string) (html string) {
diff --git a/cache/cache.go b/cache/cache.go
index 0ff85e6..f07e545 100644
--- a/cache/cache.go
+++ b/cache/cache.go
@@ -22,12 +22,6 @@ func NewSliceCache[T any](fun func() ([]T, error), duration time.Duration) *Slic
 	}
 }
 
-func (c *SliceCache[T]) FlushCache() {
-	c.mutex.Lock()
-	defer c.mutex.Unlock()
-	c.data = nil
-}
-
 func (c *SliceCache[T]) GetCache() []T {
 	l := len(c.data)
 	expired := time.Duration(c.setTime.Unix())+c.expireTime/time.Second < time.Duration(time.Now().Unix())
@@ -37,6 +31,8 @@ func (c *SliceCache[T]) GetCache() []T {
 			log.Printf("set cache err[%s]", err)
 			return nil
 		}
+		c.mutex.Lock()
+		defer c.mutex.Unlock()
 		c.setTime = time.Now()
 		c.data = r
 	}
diff --git a/models/model.go b/models/model.go
index 9b3cf0b..2a3c956 100644
--- a/models/model.go
+++ b/models/model.go
@@ -221,11 +221,11 @@ func FindOneById[T Model](id int) (T, error) {
 	return r, nil
 }
 
-func FirstOne[T Model](where ParseWhere, fields string, in ...[]interface{}) (T, error) {
+func FirstOne[T Model](where ParseWhere, fields string, order SqlBuilder, in ...[]interface{}) (T, error) {
 	var r T
 	w, args := where.ParseWhere(in...)
-	tp := "select %s from %s %s"
-	sql := fmt.Sprintf(tp, fields, r.Table(), w)
+	tp := "select %s from %s %s %s"
+	sql := fmt.Sprintf(tp, fields, r.Table(), w, order.parseOrderBy())
 	err := db.Db.Get(&r, sql, args...)
 	if err != nil {
 		return r, err