diff --git a/app/plugins/devexample/plugintt/redisCache.go.dev b/app/plugins/devexample/plugintt/redisCache.go.dev
new file mode 100644
index 0000000..7c4f637
--- /dev/null
+++ b/app/plugins/devexample/plugintt/redisCache.go.dev
@@ -0,0 +1,129 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/fthvgb1/wp-go/app/pkg/config"
+	"github.com/fthvgb1/wp-go/app/pkg/dao"
+	"github.com/fthvgb1/wp-go/app/theme/wp"
+	"github.com/fthvgb1/wp-go/cache/cachemanager"
+	"github.com/fthvgb1/wp-go/helper/number"
+	"github.com/fthvgb1/wp-go/helper/slice"
+	"github.com/fthvgb1/wp-go/helper/strings"
+	"github.com/redis/go-redis/v9"
+	"strconv"
+	strings2 "strings"
+	"time"
+)
+
+type RdmCache[K comparable, V any] struct {
+	expired  func() time.Duration
+	rdb      *redis.Client
+	keyFn    func(K) string
+	name     string
+	resFn    func(map[string]string) V
+	saveData func(V) map[string]string
+}
+
+func (r *RdmCache[K, V]) SetExpiredTime(f func() time.Duration) {
+	r.expired = f
+}
+
+func (r *RdmCache[K, V]) Get(ctx context.Context, key K) (V, bool) {
+	var re V
+	result, err := r.rdb.Exists(ctx, r.keyFn(key)).Result()
+	if result <= 0 || err != nil {
+		return re, false
+	}
+
+	rr, err := r.rdb.HGetAll(ctx, r.keyFn(key)).Result()
+
+	if errors.Is(err, redis.Nil) {
+		return re, false
+	}
+	if err != nil {
+		return re, false
+	}
+	return r.resFn(rr), true
+}
+
+func (r *RdmCache[K, V]) Set(ctx context.Context, key K, val V) {
+	k := r.keyFn(key)
+	result, err := r.rdb.HSet(ctx, k, r.saveData(val)).Result()
+	b, err := r.rdb.Expire(ctx, k, r.expired()).Result()
+	if err != nil {
+		fmt.Println(result, b, err)
+		return
+	}
+	fmt.Println(result, err)
+
+}
+
+func (r *RdmCache[K, V]) GetExpireTime(ctx context.Context) time.Duration {
+	return r.expired()
+}
+
+func (r *RdmCache[K, V]) Ttl(ctx context.Context, key K) time.Duration {
+	result, err := r.rdb.TTL(ctx, r.keyFn(key)).Result()
+	if err != nil {
+		return 0
+	}
+	return result
+}
+
+func (r *RdmCache[K, V]) Flush(ctx context.Context) {
+
+}
+
+func (r *RdmCache[K, V]) Del(ctx context.Context, key ...K) {
+	r.rdb.Del(ctx, slice.Map(key, r.keyFn)...)
+}
+
+func (r *RdmCache[K, V]) ClearExpired(ctx context.Context) {
+
+}
+// use step:
+//1 go build -gcflags all="-N -l" --race -buildmode=plugin -o redisCache.so main.go && cp ./redisCache.so wp-go/plugins/
+//2 wp-go config add redisCache plugin
+func Re(h *wp.Handle) {
+	vv, ok := cachemanager.GetMapCache[string, dao.PostIds]("listPostIds")
+	if ok {
+		_, ok := any(vv.Cache).(*RdmCache[string, dao.PostIds])
+		if ok {
+			return
+		}
+	}
+	rdm := redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "", // no password set
+		DB:       0,  // use default DB
+	})
+	r := RdmCache[string, dao.PostIds]{
+		expired: func() time.Duration {
+			return time.Minute
+		},
+		keyFn: func(u string) string {
+			return strings.Join("postIds:", u)
+		},
+		rdb:  rdm,
+		name: "",
+		resFn: func(m map[string]string) dao.PostIds {
+			return dao.PostIds{
+				Ids:    slice.Map(strings2.Split(m["ids"], ","), strings.ToInt[uint64]),
+				Length: strings.ToInt[int](m["length"]),
+			}
+		},
+		saveData: func(ids dao.PostIds) map[string]string {
+			t := slice.Map(ids.Ids, number.IntToString[uint64])
+			return map[string]string{
+				"ids":    strings2.Join(t, ","),
+				"length": strconv.Itoa(ids.Length),
+			}
+		},
+	}
+	cachemanager.NewMapCache[string, dao.PostIds](&r, nil, dao.SearchPostIds, config.GetConfig().CacheTime.PostListCacheTime, "listPostIds", func() time.Duration {
+		return config.GetConfig().CacheTime.PostListCacheTime
+	})
+	fmt.Println("redis cache inited ok")
+}
diff --git a/app/plugins/devexample/plugintt/redisCache.go.mod.dev b/app/plugins/devexample/plugintt/redisCache.go.mod.dev
new file mode 100644
index 0000000..bbb04fb
--- /dev/null
+++ b/app/plugins/devexample/plugintt/redisCache.go.mod.dev
@@ -0,0 +1,50 @@
+module redisCache
+
+go 1.21
+
+require (
+	github.com/fthvgb1/wp-go v0.0.0-20231210111549-d72bed0c8c4e
+	github.com/redis/go-redis/v9 v9.3.0
+)
+
+replace github.com/fthvgb1/wp-go v0.0.0-20231210111549-d72bed0c8c4e => ../wp-go
+
+require (
+	github.com/bytedance/sonic v1.10.2 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
+	github.com/chenzhuoyu/iasm v0.9.1 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/dlclark/regexp2 v1.10.0 // indirect
+	github.com/elliotchance/phpserialize v1.3.3 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gin-contrib/sessions v0.0.5 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.9.1 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.16.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/gorilla/context v1.1.2 // indirect
+	github.com/gorilla/securecookie v1.1.2 // indirect
+	github.com/gorilla/sessions v1.2.2 // indirect
+	github.com/jmoiron/sqlx v1.3.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.6 // indirect
+	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
+	golang.org/x/arch v0.6.0 // indirect
+	golang.org/x/crypto v0.15.0 // indirect
+	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect
+	golang.org/x/net v0.18.0 // indirect
+	golang.org/x/sys v0.14.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/cache/cachemanager/manger.go b/cache/cachemanager/manger.go
index 96e36b5..e0090ea 100644
--- a/cache/cachemanager/manger.go
+++ b/cache/cachemanager/manger.go
@@ -289,5 +289,5 @@ func GetVarCache[T any](name string) (*cache.VarCache[T], bool) {
 
 func GetMapCache[K comparable, V any](name string) (*cache.MapCache[K, V], bool) {
 	vv, err := getMap[K, V](name)
-	return vv, err != nil
+	return vv, err == nil
 }