diff --git a/biz/application/service/post.go b/biz/application/service/post.go
index 646fd81..fbd1489 100644
--- a/biz/application/service/post.go
+++ b/biz/application/service/post.go
@@ -5,7 +5,6 @@ import (
 	"github.com/CloudStriver/cloudmind-content/biz/infrastructure/config"
 	"github.com/CloudStriver/cloudmind-content/biz/infrastructure/convertor"
 	postmapper "github.com/CloudStriver/cloudmind-content/biz/infrastructure/mapper/post"
-	"github.com/CloudStriver/go-pkg/utils/pagination/esp"
 	"github.com/CloudStriver/go-pkg/utils/pagination/mongop"
 	"github.com/CloudStriver/go-pkg/utils/pconvertor"
 	gencontent "github.com/CloudStriver/service-idl-gen-go/kitex_gen/cloudmind/content"
@@ -92,9 +91,9 @@ func (s *PostService) GetPosts(ctx context.Context, req *gencontent.GetPostsReq)
 
 	p := pconvertor.PaginationOptionsToModelPaginationOptions(req.PaginationOptions)
 	filter := convertor.PostFilterOptionsToFilterOptions(req.PostFilterOptions)
-	if req.SearchKeyword != nil {
-		posts, total, err = s.PostEsMapper.Search(ctx, convertor.ConvertPostAllFieldsSearchQuery(*req.SearchKeyword),
-			filter, p, esp.ScoreCursorType)
+	if req.SearchOption != nil {
+		posts, total, err = s.PostEsMapper.Search(ctx, convertor.ConvertPostAllFieldsSearchQuery(*req.SearchOption.SearchKeyword),
+			filter, p, req.SearchOption.SearchSortType)
 	} else {
 		posts, total, err = s.PostMongoMapper.FindManyAndCount(ctx, filter,
 			p, mongop.IdCursorType)
diff --git a/biz/infrastructure/mapper/post/es.go b/biz/infrastructure/mapper/post/es.go
index c2fdac5..9a0964c 100644
--- a/biz/infrastructure/mapper/post/es.go
+++ b/biz/infrastructure/mapper/post/es.go
@@ -6,6 +6,9 @@ import (
 	"fmt"
 	"github.com/CloudStriver/go-pkg/utils/pagination"
 	"github.com/CloudStriver/go-pkg/utils/pagination/esp"
+	gencontent "github.com/CloudStriver/service-idl-gen-go/kitex_gen/cloudmind/content"
+	"github.com/elastic/go-elasticsearch/v8/typedapi/types/enums/multivaluemode"
+	"github.com/elastic/go-elasticsearch/v8/typedapi/types/enums/scoremode"
 	"github.com/samber/lo"
 	"log"
 	"net/http"
@@ -27,7 +30,7 @@ import (
 
 type (
 	IEsMapper interface {
-		Search(ctx context.Context, query []types.Query, fopts *FilterOptions, popts *pagination.PaginationOptions, sorter esp.EsCursor) ([]*Post, int64, error)
+		Search(ctx context.Context, query []types.Query, fopts *FilterOptions, popts *pagination.PaginationOptions, sorter gencontent.SearchSortType) ([]*Post, int64, error)
 		CountWithQuery(ctx context.Context, query []types.Query, fopts *FilterOptions) (int64, error)
 	}
 
@@ -76,27 +79,78 @@ func (m *EsMapper) CountWithQuery(ctx context.Context, query []types.Query, fopt
 	return res.Count, nil
 }
 
-func (m *EsMapper) Search(ctx context.Context, query []types.Query, fopts *FilterOptions, popts *pagination.PaginationOptions, sorter esp.EsCursor) ([]*Post, int64, error) {
+func SortTypeToCursorType(sortType gencontent.SearchSortType) esp.EsCursor {
+	switch sortType {
+	case gencontent.SearchSortType_ScoreSearchSortType:
+		return esp.ScoreCursorType
+	case gencontent.SearchSortType_CreateTimeSearchSortType:
+		return esp.IdCursorType
+	case gencontent.SearchSortType_SynthesisSearchSortType:
+		return esp.ScoreCursorType
+	default:
+		return nil
+	}
+}
+
+func (m *EsMapper) Search(ctx context.Context, query []types.Query, fopts *FilterOptions, popts *pagination.PaginationOptions, sorter gencontent.SearchSortType) ([]*Post, int64, error) {
 	ctx, span := trace.TracerFromContext(ctx).Start(ctx, "elasticsearch/Search", oteltrace.WithTimestamp(time.Now()), oteltrace.WithSpanKind(oteltrace.SpanKindClient))
 	defer func() {
 		span.End(oteltrace.WithTimestamp(time.Now()))
 	}()
-	p := esp.NewEsPaginator(pagination.NewRawStore(sorter), popts)
+	p := esp.NewEsPaginator(pagination.NewRawStore(SortTypeToCursorType(sorter)), popts)
 	filter := newPostFilter(fopts)
 	s, sa, err := p.MakeSortOptions(ctx)
 	if err != nil {
 		return nil, 0, err
 	}
-	res, err := m.es.Search().From(int(*popts.Offset)).Size(int(*popts.Limit)).Index(m.indexName).Request(&search.Request{
-		Query: &types.Query{
-			Bool: &types.BoolQuery{
-				Must:   query,
-				Filter: filter,
+	var req *search.Request
+	if sorter == gencontent.SearchSortType_SynthesisSearchSortType {
+		dateDecayFunc := types.NewDateDecayFunction()
+		decayPlacement := types.DecayPlacementDateMathDuration{
+			Origin: lo.ToPtr("now"),              // 衰减起点
+			Scale:  "2d",                         // 衰减尺度
+			Offset: "1d",                         // 可选，定义不应用衰减的初始距离
+			Decay:  lo.ToPtr(types.Float64(0.5)), // 衰减率
+		}
+		dateDecayFunc.DateDecayFunction[consts.CreateAt] = decayPlacement
+		dateDecayFunc.MultiValueMode = &multivaluemode.Avg
+		req = &search.Request{
+			Query: &types.Query{
+				Bool: &types.BoolQuery{
+					Must:   query,
+					Filter: filter,
+				},
 			},
-		},
-		SearchAfter: sa,
-		Sort:        s,
-	}).Do(ctx)
+			Rescore: []types.Rescore{
+				{
+					Query: types.RescoreQuery{
+						Query: types.Query{
+							FunctionScore: &types.FunctionScoreQuery{
+								Functions: []types.FunctionScore{
+									{
+										Gauss: dateDecayFunc,
+									},
+								},
+							},
+						},
+						ScoreMode: &scoremode.Multiply,
+					},
+				},
+			},
+		}
+	} else {
+		req = &search.Request{
+			Query: &types.Query{
+				Bool: &types.BoolQuery{
+					Must:   query,
+					Filter: filter,
+				},
+			},
+			Sort:        s,
+			SearchAfter: sa,
+		}
+	}
+	res, err := m.es.Search().From(int(*popts.Offset)).Size(int(*popts.Limit)).Index(m.indexName).Request(req).Do(ctx)
 	if err != nil {
 		return nil, 0, err
 	}
@@ -131,14 +185,16 @@ func (m *EsMapper) Search(ctx context.Context, query []types.Query, fopts *Filte
 		post.Score_ = float64(hit.Score_)
 		posts = append(posts, post)
 	}
-	// 如果是反向查询，反转数据
-	if *popts.Backward {
-		lo.Reverse(posts)
-	}
-	if len(posts) > 0 {
-		err = p.StoreCursor(ctx, posts[0], posts[len(posts)-1])
-		if err != nil {
-			return nil, 0, err
+	if sorter != gencontent.SearchSortType_SynthesisSearchSortType {
+		// 如果是反向查询，反转数据
+		if *popts.Backward {
+			lo.Reverse(posts)
+		}
+		if len(posts) > 0 {
+			err = p.StoreCursor(ctx, posts[0], posts[len(posts)-1])
+			if err != nil {
+				return nil, 0, err
+			}
 		}
 	}
 	return posts, total, nil
diff --git a/go.mod b/go.mod
index b6c9e1b..8cdac4b 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.20
 require (
 	github.com/CloudStriver/cloudmind-mq v1.0.12-0.20240406143558-b7090c0fbb80
 	github.com/CloudStriver/go-pkg v0.0.0-20240329084540-20ca37a52fea
-	github.com/CloudStriver/service-idl-gen-go v0.0.0-20240408104721-1afd2da8f729
+	github.com/CloudStriver/service-idl-gen-go v0.0.0-20240409124043-9373d87d4bde
 	github.com/bytedance/sonic v1.10.2
 	github.com/cloudwego/kitex v0.8.0
 	github.com/elastic/go-elasticsearch/v8 v8.11.1
@@ -24,6 +24,7 @@ require (
 )
 
 //replace github.com/CloudStriver/service-idl-gen-go => ../service-idl-gen-go
+
 //replace github.com/CloudStriver/cloudmind-mq => ../cloudmind-mq
 
 require (
@@ -62,7 +63,6 @@ require (
 	github.com/jhump/protoreflect v1.15.4 // indirect
 	github.com/jinzhu/copier v0.4.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/kitex-contrib/monitor-prometheus v0.2.0 // indirect
 	github.com/klauspost/compress v1.16.7 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
diff --git a/go.sum b/go.sum
index 422871b..df2ad8f 100644
--- a/go.sum
+++ b/go.sum
@@ -377,12 +377,8 @@ github.com/CloudStriver/cloudmind-mq v1.0.12-0.20240406143558-b7090c0fbb80 h1:M0
 github.com/CloudStriver/cloudmind-mq v1.0.12-0.20240406143558-b7090c0fbb80/go.mod h1:LLq2w5YEUj8/wFzOIPz9kC1aBjSQr/dFivi16MBiz5Y=
 github.com/CloudStriver/go-pkg v0.0.0-20240329084540-20ca37a52fea h1:f+wmV1f8yaOsv9ei83oKG6kr4rbdtv3p0nPMKDZ8hUs=
 github.com/CloudStriver/go-pkg v0.0.0-20240329084540-20ca37a52fea/go.mod h1:SsAxWs5EIcaDE/0e5buoFOWsM4lTvFZhySkV68+RT3g=
-github.com/CloudStriver/service-idl-gen-go v0.0.0-20240406140558-0b39494165c0 h1:y2ABwBsTxL6vmJFe5dbWw+uIsbK3hRXW3rkU14AoAlM=
-github.com/CloudStriver/service-idl-gen-go v0.0.0-20240406140558-0b39494165c0/go.mod h1:chtR82RvfrjUujTGWROSCNAwF9Lh/U959k34bXIDvBI=
-github.com/CloudStriver/service-idl-gen-go v0.0.0-20240408073658-4d6c3f470a3d h1:PHvVU9Tndk4cQAMqREmf5SNpLfEgjbmVSPJJXsk3zdg=
-github.com/CloudStriver/service-idl-gen-go v0.0.0-20240408073658-4d6c3f470a3d/go.mod h1:chtR82RvfrjUujTGWROSCNAwF9Lh/U959k34bXIDvBI=
-github.com/CloudStriver/service-idl-gen-go v0.0.0-20240408104721-1afd2da8f729 h1:Ba8osCuYP3i3+UYZpv29bqGk5K5okpVr84PkMRsdvr8=
-github.com/CloudStriver/service-idl-gen-go v0.0.0-20240408104721-1afd2da8f729/go.mod h1:chtR82RvfrjUujTGWROSCNAwF9Lh/U959k34bXIDvBI=
+github.com/CloudStriver/service-idl-gen-go v0.0.0-20240409124043-9373d87d4bde h1:DjXTGQT40LAcsuvGC10vRFhqLYvKVIGl729/m1kcdIw=
+github.com/CloudStriver/service-idl-gen-go v0.0.0-20240409124043-9373d87d4bde/go.mod h1:chtR82RvfrjUujTGWROSCNAwF9Lh/U959k34bXIDvBI=
 github.com/DATA-DOG/go-sqlmock v1.5.0/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
@@ -784,8 +780,6 @@ github.com/jung-kurt/gofpdf v1.0.0/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+
 github.com/jung-kurt/gofpdf v1.0.3-0.20190309125859-24315acbbda5/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/kitex-contrib/monitor-prometheus v0.2.0 h1:cgu8UMn1lpwLD/6rQZnf3jX98rqazTkY/ATmN9DsCwY=
-github.com/kitex-contrib/monitor-prometheus v0.2.0/go.mod h1:ZHWQOKRHnN1Bw+PgVYeOXmB9l4+k8dlOJ9wx2xz76NU=
 github.com/kitex-contrib/obs-opentelemetry v0.2.5 h1:vV0rbEQnhv7gFPJJPAas4mvp0vopOUC3RU05pnXDOAw=
 github.com/kitex-contrib/obs-opentelemetry v0.2.5/go.mod h1:+Hfa6yIiSOIL364QSiUyWTQARkV1OI/NU527SKw+/kk=
 github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
@@ -907,14 +901,12 @@ github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqr
 github.com/prometheus/client_golang v1.11.1/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
 github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
 github.com/prometheus/client_golang v1.13.0/go.mod h1:vTeo+zgvILHsnnj/39Ou/1fPN5nJFOEMgftOUOmlvYQ=
-github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
 github.com/prometheus/client_golang v1.17.0 h1:rl2sfwZMtSthVU752MqfjQozy7blglC+1SOtjMAMh+Q=
 github.com/prometheus/client_golang v1.17.0/go.mod h1:VeL+gMmOAxkS2IqfCq0ZmHSL+LjWfWDUmp1mBz9JgUY=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
 github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16 h1:v7DLqVdK4VrYkVD5diGdl4sxJurKJEMnODWRJlxV9oM=
 github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16/go.mod h1:oMQmHW1/JoDwqLtg57MGgP/Fb1CJEYF2imWWhWtMkYU=
 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=