diff --git a/models/repo_list.go b/models/repo_list.go
index 3c655fbd9..61410e08e 100755
--- a/models/repo_list.go
+++ b/models/repo_list.go
@@ -192,6 +192,8 @@ type SearchRepoOptions struct {
 	// False -> include just no courses
 	Course            util.OptionalBool
 	OnlySearchPrivate bool
+
+	RepoIds []int64
 }
 
 //SearchOrderBy is used to sort the result
@@ -206,6 +208,7 @@ type FindReposResponse struct {
 	Page     int
 	PageSize int
 	Total    int64
+	RepoIds  []int64
 }
 
 // Strings for sorting result
@@ -281,6 +284,33 @@ func SearchRepositoryCondition(opts *SearchRepoOptions) builder.Cond {
 	if opts.StarredByID > 0 {
 		cond = cond.And(builder.In("id", builder.Select("repo_id").From("star").Where(builder.Eq{"uid": opts.StarredByID})))
 	}
+	if len(opts.RepoIds) > 0 {
+		const MaxINItems = 1000
+		if len(opts.RepoIds) <= MaxINItems {
+			cond = cond.And(builder.In("id", opts.RepoIds))
+		} else {
+			repoIdsMap := make(map[int][]int64, 0)
+			i := 0
+
+			for j := 0; j < len(opts.RepoIds); j++ {
+				if _, ok := repoIdsMap[i]; !ok {
+					repoIdsMap[i] = make([]int64, 0)
+				}
+				repoIdsMap[i] = append(repoIdsMap[i], opts.RepoIds[j])
+				if (j+1)%MaxINItems == 0 {
+					i += 1
+				}
+
+			}
+			subCond := builder.NewCond()
+			for _, repoSplit := range repoIdsMap {
+				subCond = subCond.Or(builder.In("id", repoSplit))
+			}
+			cond = cond.And(subCond)
+
+		}
+
+	}
 
 	// Restrict repositories to those the OwnerID owns or contributes to as per opts.Collaborate
 	if opts.OwnerID > 0 {
diff --git a/models/tech_converge_info.go b/models/tech_converge_info.go
index 46aa163f2..a13c216c8 100644
--- a/models/tech_converge_info.go
+++ b/models/tech_converge_info.go
@@ -10,10 +10,11 @@ import (
 )
 
 const (
-	TechHide          = 1
-	TechShow          = 2
+	TechShow          = 1
+	TechHide          = 2
 	TechMigrating     = 3
 	TechMigrateFailed = 4
+	TechNotExist      = 5
 )
 
 const DefaultTechApprovedStatus = TechShow
@@ -161,6 +162,16 @@ func GetProjectNames() []string {
 	x.Table("tech_converge_base_info").Distinct("project_name").Find(&names)
 	return names
 }
+func GetIdByProjectName(name string) []string {
+	var ids []int64
+	x.Table("tech_converge_base_info").Cols("id").Where("project_name=?", name).Find(&ids)
+
+	idStrs := make([]string, 0, len(ids))
+	for _, id := range ids {
+		idStrs = append(idStrs, strconv.FormatInt(id, 10))
+	}
+	return idStrs
+}
 func GetSummitRepoIds() []int64 {
 	var ids []int64
 	x.Table("repo_converge_info").Cols("repo_id").Find(&ids)
@@ -326,10 +337,37 @@ type TechRepoInfo struct {
 	Repos          []*RepoWithInstitution
 }
 
-func SearchTechRepoInfo(opt SearchTechOpt) ([]*TechRepoInfo, int64, error) {
+func GetAvailableRepoConvergeInfo(opt *SearchRepoOpt) ([]*RepoConvergeInfo, error) {
+
+	repos := make([]*RepoConvergeInfo, 0)
+	err := x.Table("repo_converge_info").Where(buildRepoFilterCond(opt)).Find(&repos)
+	return repos, err
+
+}
+
+func buildRepoFilterCond(opt *SearchRepoOpt) string {
+
+	sql := ""
+
+	if opt.Institution != "" {
+		sql += getPrefixWithoutWhere(sql) + " (institution like '%" + opt.Institution + ",%'" + " or institution like '%," + opt.Institution + "%'" + " or institution = '" + opt.Institution + "')"
+	}
+
+	if opt.ProjectName != "" {
+		baseInfoIds := GetIdByProjectName(opt.ProjectName)
+		if len(baseInfoIds) > 0 {
+
+			sql += getPrefixWithoutWhere(sql) + " id in (" + strings.Join(baseInfoIds, ",") + ")"
+		}
+
+	}
+	return sql
+}
+
+func SearchTechRepoInfo(opt *SearchTechOpt) ([]*TechRepoInfo, int64, error) {
 
 	sql := `select a.*,COALESCE(b.count,0) as repo_count,  COALESCE(b.max,0) as max from tech_converge_base_info a left join
-		(select base_info_id,count(id),max(updated_unix) from repo_converge_info where status=2 GROUP BY base_info_id ) b
+		(select base_info_id,count(id),max(updated_unix) from repo_converge_info where status=` + strconv.Itoa(TechShow) + ` GROUP BY base_info_id ) b
 			on a.id=b.base_info_id`
 	totalSql := "select count(*) from (" + sql + ") c" + buildTechFilterCond(opt)
 	total, err := x.SQL(totalSql).Count(new(TechConvergeBaseInfo))
@@ -363,7 +401,7 @@ func SearchTechRepoInfo(opt SearchTechOpt) ([]*TechRepoInfo, int64, error) {
 
 }
 
-func buildTechFilterCond(opt SearchTechOpt) string {
+func buildTechFilterCond(opt *SearchTechOpt) string {
 
 	sql := ""
 
@@ -394,6 +432,13 @@ func getWherePrefix(sql string) string {
 	return " and "
 }
 
+func getPrefixWithoutWhere(sql string) string {
+	if sql == "" {
+		return ""
+	}
+	return " and "
+}
+
 func loadRepoInfoForTech(list []*TechRepoInfo) {
 
 	for _, techRepo := range list {
diff --git a/routers/api/v1/tech/tech.go b/routers/api/v1/tech/tech.go
index 6576202cf..d19056ce0 100644
--- a/routers/api/v1/tech/tech.go
+++ b/routers/api/v1/tech/tech.go
@@ -47,11 +47,38 @@ func GetFilterInfo(ctx *context.APIContext) {
 
 func SearchRepoInfo(ctx *context.APIContext) {
 
+	opts := &models.SearchRepoOpt{}
+	opts.Q = ctx.Query("name")
+	opts.ProjectName = ctx.Query("tech_name")
+	opts.Topic = ctx.Query("topic")
+	opts.Institution = ctx.Query("institution_name")
+	page := ctx.QueryInt("page")
+	if page <= 0 {
+		page = 1
+	}
+	opts.Page = page
+	pageSize := ctx.QueryInt("pageSize")
+	if pageSize <= 0 {
+		pageSize = 30
+	}
+	opts.PageSize = pageSize
+	orderBy := ctx.Query("sort")
+	opts.OrderBy = orderBy
+	infos, total, err := techService.SearchRepoInfoWithInstitution(opts)
+	if err != nil {
+		log.Error("search has error", err)
+		ctx.JSON(http.StatusOK, map[string]interface {
+		}{"total": 0, "data": []*models.RepoWithInstitution{}})
+	} else {
+		ctx.JSON(http.StatusOK, map[string]interface {
+		}{"total": total, "data": infos})
+	}
+
 }
 
 func SearchTechProjectInfo(ctx *context.APIContext) {
 
-	opts := models.SearchTechOpt{}
+	opts := &models.SearchTechOpt{}
 	opts.Q = ctx.Query("name")
 	opts.ApplyYear = ctx.QueryInt("apply_year")
 	opts.ExecuteYear = ctx.QueryInt("execute_year")
@@ -67,7 +94,7 @@ func SearchTechProjectInfo(ctx *context.APIContext) {
 		pageSize = 15
 	}
 	opts.PageSize = pageSize
-	orderBy := ctx.Query("orderBy")
+	orderBy := ctx.Query("sort")
 	if orderBy == "" || orderBy == "count" {
 		opts.OrderBy = "order by repo_count desc, max desc "
 	} else {
diff --git a/services/repository/square.go b/services/repository/square.go
index d68e5b189..f25abb28e 100644
--- a/services/repository/square.go
+++ b/services/repository/square.go
@@ -169,6 +169,7 @@ type FindReposOptions struct {
 	Topic   string
 	Private bool
 	OwnerID int64
+	RepoIds []int64
 }
 
 func FindRepos(opts FindReposOptions) (*models.FindReposResponse, error) {
@@ -224,6 +225,7 @@ func FindRepos(opts FindReposOptions) (*models.FindReposResponse, error) {
 		AllLimited:         true,
 		TopicName:          opts.Topic,
 		IncludeDescription: setting.UI.SearchRepoDescription,
+		RepoIds:            opts.RepoIds,
 	})
 	if err != nil {
 		log.Error("FindRepos error when SearchRepository.%v", err)
diff --git a/services/tech/tech.go b/services/tech/tech.go
index 9a4dadbc4..28b52c84c 100644
--- a/services/tech/tech.go
+++ b/services/tech/tech.go
@@ -1,6 +1,9 @@
 package tech
 
-import "code.gitea.io/gitea/models"
+import (
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/services/repository"
+)
 
 func FindTech(opt models.FindTechOpt) ([]*models.TechConvergeBrief, error) {
 	techList, err := models.FindTech(opt)
@@ -14,6 +17,55 @@ func FindTech(opt models.FindTechOpt) ([]*models.TechConvergeBrief, error) {
 	return r, nil
 }
 
+func SearchRepoInfoWithInstitution(opt *models.SearchRepoOpt) ([]*models.RepoWithInstitution, int64, error) {
+	infos, err := models.GetAvailableRepoConvergeInfo(opt)
+	if err != nil {
+		return nil, 0, err
+	}
+	repoIds, institutionMap := getRepoIdAndInstitutionMap(infos)
+
+	result, err := repository.FindRepos(repository.FindReposOptions{
+		ListOptions: models.ListOptions{Page: opt.Page, PageSize: opt.PageSize},
+		Sort:        opt.OrderBy,
+		Keyword:     opt.Q,
+		Topic:       opt.Topic,
+		RepoIds:     repoIds,
+	})
+
+	if err != nil {
+		return nil, 0, err
+	}
+	repoResult := make([]*models.RepoWithInstitution, 0, len(result.Repos))
+
+	for _, repo := range result.Repos {
+		repoResult = append(repoResult, &models.RepoWithInstitution{
+			ID:          repo.ID,
+			OwnerID:     repo.OwnerID,
+			OwnerName:   repo.OwnerName,
+			Name:        repo.Name,
+			Topics:      repo.Topics,
+			Description: repo.Description,
+			Institution: institutionMap[repo.ID],
+			UpdatedUnix: repo.UpdatedUnix,
+		})
+	}
+
+	return repoResult, result.Total, nil
+
+}
+
+func getRepoIdAndInstitutionMap(infos []*models.RepoConvergeInfo) ([]int64, map[int64]string) {
+	repoIds := make([]int64, 0, len(infos))
+	institutionMap := make(map[int64]string, 0)
+	// We only need the keys
+	for _, info := range infos {
+		repoIds = append(repoIds, info.RepoID)
+		institutionMap[info.RepoID] = info.Institution
+	}
+	return repoIds, institutionMap
+}
+
+
 func IsValidRepoConvergeExists(repoId, baseInfoId int64) (bool, error) {
 	list, err := models.GetRepoConverge(models.GetRepoConvergeOpts{
 		Status:     []int{models.TechHide, models.TechShow, models.TechMigrating},