diff --git a/cve-vulner-manager/models/modeldb.go b/cve-vulner-manager/models/modeldb.go
index 675a07777ea9447e3d4200192c4b55e5b7792d97..f61f0b06898db022f94158b3c0375862b8c4afef 100644
--- a/cve-vulner-manager/models/modeldb.go
+++ b/cve-vulner-manager/models/modeldb.go
@@ -254,9 +254,9 @@ type GitPackageTable struct {
 
 type GitOpenEuler struct {
 	GitId             int64     `orm:"pk;auto;column(git_id)"`
-	PackageId         int64     `orm:"index;column(package_id)" description:"获取到的包id"`
+	PackageId         int64     `orm:"column(package_id)" description:"获取到的包id"`
 	PackageName       string    `orm:"column(package_name);size(256)" description:"包名称"`
-	Version           string    `orm:"size(64);column(version);index" description:"版本号"`
+	Version           string    `orm:"size(64);column(version)" description:"版本号"`
 	Release           string    `orm:"size(128);column(releases)" description:"releases 版本号"`
 	OriginUrl         string    `orm:"size(512);column(origin_url)" description:"gitee上的地址"`
 	License           string    `orm:"type(text);column(license)" description:"license"`
@@ -268,7 +268,7 @@ type GitOpenEuler struct {
 	LatestVersion     string    `orm:"size(128);column(latest_version)" description:"最新版本号"`
 	LatestVersionTime string    `orm:"size(32);column(latest_version_time)" description:"最新版本发布时间"`
 	IssueCount        int64     `orm:"column(issue_count);default(0)" description:"该软件包仓库下的issue总数"`
-	TableId           int64     `orm:"index;column(table_id)" description:"表id, 外键"`
+	TableId           int64     `orm:"column(table_id)" description:"表id, 外键"`
 	TableName         string    `orm:"size(128);column(table_name)" description:"数据库pkginfo下的表名，如：mainline, bringInRely"`
 	CpePackName       string    `orm:"size(512);column(cpe_packname);null" description:"openEuler对应的cpe包名称(或者影响的包名)"`
 	Status            int8      `orm:"default(0);column(status)" description:"0: 代表新数据; 1:已推送; 2:代表已废弃"`
@@ -288,9 +288,9 @@ type GitOpenEulerTableRelate struct {
 type GitPackageInfo struct {
 	DetailId      int64     `orm:"pk;auto;column(detail_id)"`
 	GitId         int64     `orm:"index;column(git_id)" description:"包id，外键"`
-	Ids           int64     `orm:"index;column(git_ids)" description:"原始数据id来源"`
+	Ids           int64     `orm:"column(git_ids)" description:"原始数据id来源"`
 	PackageName   string    `orm:"column(package_name);size(256)" description:"包名称"`
-	Version       string    `orm:"size(64);column(version);index" description:"版本号"`
+	Version       string    `orm:"size(64);column(version)" description:"版本号"`
 	Release       string    `orm:"size(128);column(release)" description:"release 版本号"`
 	OriginUrl     string    `orm:"size(512);column(origin_url)" description:"上游社区链接"`
 	License       string    `orm:"type(text);column(license)" description:"license"`
diff --git a/cve-vulner-manager/models/ymal.go b/cve-vulner-manager/models/ymal.go
index 5bb3e3c6d7a0225c9098ff6c277ab455b720a8a2..61e015eb612124d5bd467676ee312a41c13ee54b 100644
--- a/cve-vulner-manager/models/ymal.go
+++ b/cve-vulner-manager/models/ymal.go
@@ -35,23 +35,23 @@ func UpdateEulerRepoOrigin(ogk *OpenEulerRepoOrigin, fields ...string) error {
 }
 
 // DeleteEulerRepoOrigin delete all data
-func DeleteEulerRepoOrigin() error {
+func DeleteEulerRepoOrigin(now string) error {
 	o := orm.NewOrm()
-	_, err := o.Raw("delete from cve_open_euler_repo_origin").Exec()
+	_, err := o.Raw("delete from cve_open_euler_repo_origin where create_time < ?", now).Exec()
 	return err
 }
 
 // DeleteGitOpenEuler delete data of ng
-func DeleteGitOpenEuler() error {
+func DeleteGitOpenEuler(now string) error {
 	o := orm.NewOrm()
-	_, err := o.Raw("delete from cve_git_open_euler where source != ? ", "ng").Exec()
+	_, err := o.Raw("delete from cve_git_open_euler where source != ? and create_time < ?", "ng", now).Exec()
 	return err
 }
 
 // DeleteGitPackageInfo delete all data
-func DeleteGitPackageInfo() error {
+func DeleteGitPackageInfo(now string) error {
 	o := orm.NewOrm()
-	_, err := o.Raw("delete from cve_git_package_info").Exec()
+	_, err := o.Raw("delete from cve_git_package_info where create_time < ?", now).Exec()
 	return err
 }
 
diff --git a/cve-vulner-manager/taskhandler/yaml.go b/cve-vulner-manager/taskhandler/yaml.go
index 1a1e64ac0934a87fa926b3d2b4927fbbd6a9816f..d93961f86605d0526bead92a6abee9ee289ee3a7 100644
--- a/cve-vulner-manager/taskhandler/yaml.go
+++ b/cve-vulner-manager/taskhandler/yaml.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net/http"
 	"strings"
+	"time"
 
 	"github.com/astaxie/beego"
 	"github.com/astaxie/beego/logs"
@@ -25,10 +26,6 @@ func SyncEulerPackages() error {
 		return err
 	}
 
-	if err = cleanOldData(); err != nil {
-		return err
-	}
-
 	handle := func(path string, detail []BranchDetail) {
 		originByVersion := groupByVersion(path, detail)
 		for _, origin := range originByVersion {
@@ -38,13 +35,14 @@ func SyncEulerPackages() error {
 		}
 	}
 
+	now := time.Now().Format(time.DateTime)
 	for _, v := range data {
 		for k, detail := range v {
 			handle(k, detail)
 		}
 	}
 
-	return nil
+	return cleanOldData(now)
 }
 
 func saveData(origin models.OpenEulerRepoOrigin) error {
@@ -121,16 +119,16 @@ func (d BranchDetail) generateDescription() string {
 	}
 }
 
-func cleanOldData() error {
-	if err := models.DeleteEulerRepoOrigin(); err != nil {
+func cleanOldData(now string) error {
+	if err := models.DeleteEulerRepoOrigin(now); err != nil {
 		return err
 	}
 
-	if err := models.DeleteGitOpenEuler(); err != nil {
+	if err := models.DeleteGitOpenEuler(now); err != nil {
 		return err
 	}
 
-	if err := models.DeleteGitPackageInfo(); err != nil {
+	if err := models.DeleteGitPackageInfo(now); err != nil {
 		return err
 	}