diff --git a/internal/migrations/v3.go b/internal/migrations/v3.go
index d7e68f10..e1f95bb4 100644
--- a/internal/migrations/v3.go
+++ b/internal/migrations/v3.go
@@ -1,12 +1,176 @@
 package migrations
 
 import (
+	"fmt"
 	"time"
 
+	"github.com/answerdev/answer/internal/entity"
+	"github.com/segmentfault/pacman/log"
 	"xorm.io/xorm"
+	"xorm.io/xorm/schemas"
 )
 
-func addActivityTimeline(x *xorm.Engine) error {
+func addActivityTimeline(x *xorm.Engine) (err error) {
+	switch x.Dialect().URI().DBType {
+	case schemas.MYSQL:
+		_, err = x.Exec("ALTER TABLE `answer` CHANGE `updated_at` `updated_at` TIMESTAMP NULL DEFAULT NULL")
+		if err != nil {
+			return err
+		}
+		_, err = x.Exec("ALTER TABLE `question` CHANGE `updated_at` `updated_at` TIMESTAMP NULL DEFAULT NULL")
+		if err != nil {
+			return err
+		}
+	case schemas.POSTGRES:
+		_, err = x.Exec(`ALTER TABLE "answer" ALTER COLUMN "updated_at" DROP NOT NULL, ALTER COLUMN "updated_at" SET DEFAULT NULL`)
+		if err != nil {
+			return err
+		}
+		_, err = x.Exec(`ALTER TABLE "question" ALTER COLUMN "updated_at" DROP NOT NULL, ALTER COLUMN "updated_at" SET DEFAULT NULL`)
+		if err != nil {
+			return err
+		}
+	case schemas.SQLITE:
+		_, err = x.Exec(`DROP INDEX "IDX_answer_user_id";
+
+ALTER TABLE "answer" RENAME TO "_answer_old_v3";
+
+CREATE TABLE "answer" (
+  "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+  "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updated_at" DATETIME DEFAULT NULL,
+  "question_id" INTEGER NOT NULL DEFAULT 0,
+  "user_id" INTEGER NOT NULL DEFAULT 0,
+  "original_text" TEXT NOT NULL,
+  "parsed_text" TEXT NOT NULL,
+  "status" INTEGER NOT NULL DEFAULT 1,
+  "adopted" INTEGER NOT NULL DEFAULT 1,
+  "comment_count" INTEGER NOT NULL DEFAULT 0,
+  "vote_count" INTEGER NOT NULL DEFAULT 0,
+  "revision_id" INTEGER NOT NULL DEFAULT 0
+);
+
+INSERT INTO "answer" ("id", "created_at", "updated_at", "question_id", "user_id", "original_text", "parsed_text", "status", "adopted", "comment_count", "vote_count", "revision_id") SELECT "id", "created_at", "updated_at", "question_id", "user_id", "original_text", "parsed_text", "status", "adopted", "comment_count", "vote_count", "revision_id" FROM "_answer_old_v3";
+
+CREATE INDEX "IDX_answer_user_id"
+ON "answer" (
+  "user_id" ASC
+);
+DROP INDEX "IDX_question_user_id";
+
+ALTER TABLE "question" RENAME TO "_question_old_v3";
+
+CREATE TABLE "question" (
+  "id" INTEGER NOT NULL,
+  "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updated_at" DATETIME DEFAULT NULL,
+  "user_id" INTEGER NOT NULL DEFAULT 0,
+  "title" TEXT NOT NULL DEFAULT '',
+  "original_text" TEXT NOT NULL,
+  "parsed_text" TEXT NOT NULL,
+  "status" INTEGER NOT NULL DEFAULT 1,
+  "view_count" INTEGER NOT NULL DEFAULT 0,
+  "unique_view_count" INTEGER NOT NULL DEFAULT 0,
+  "vote_count" INTEGER NOT NULL DEFAULT 0,
+  "answer_count" INTEGER NOT NULL DEFAULT 0,
+  "collection_count" INTEGER NOT NULL DEFAULT 0,
+  "follow_count" INTEGER NOT NULL DEFAULT 0,
+  "accepted_answer_id" INTEGER NOT NULL DEFAULT 0,
+  "last_answer_id" INTEGER NOT NULL DEFAULT 0,
+  "post_update_time" DATETIME DEFAULT CURRENT_TIMESTAMP,
+  "revision_id" INTEGER NOT NULL DEFAULT 0,
+  PRIMARY KEY ("id")
+);
+
+INSERT INTO "question" ("id", "created_at", "updated_at", "user_id", "title", "original_text", "parsed_text", "status", "view_count", "unique_view_count", "vote_count", "answer_count", "collection_count", "follow_count", "accepted_answer_id", "last_answer_id", "post_update_time", "revision_id") SELECT "id", "created_at", "updated_at", "user_id", "title", "original_text", "parsed_text", "status", "view_count", "unique_view_count", "vote_count", "answer_count", "collection_count", "follow_count", "accepted_answer_id", "last_answer_id", "post_update_time", "revision_id" FROM "_question_old_v3";
+
+CREATE INDEX "IDX_question_user_id"
+ON "question" (
+  "user_id" ASC
+);`)
+		if err != nil {
+			return err
+		}
+	}
+
+	// only increasing field length to 128
+	type Config struct {
+		Key string `xorm:"unique VARCHAR(128) key"`
+	}
+	if err := x.Sync(new(Config)); err != nil {
+		return fmt.Errorf("sync config table failed: %w", err)
+	}
+	defaultConfigTable := []*entity.Config{
+		{ID: 36, Key: "rank.question.add", Value: `1`},
+		{ID: 37, Key: "rank.question.edit", Value: `200`},
+		{ID: 38, Key: "rank.question.delete", Value: `-1`},
+		{ID: 39, Key: "rank.question.vote_up", Value: `15`},
+		{ID: 40, Key: "rank.question.vote_down", Value: `125`},
+		{ID: 41, Key: "rank.answer.add", Value: `1`},
+		{ID: 42, Key: "rank.answer.edit", Value: `200`},
+		{ID: 43, Key: "rank.answer.delete", Value: `-1`},
+		{ID: 44, Key: "rank.answer.accept", Value: `1`},
+		{ID: 45, Key: "rank.answer.vote_up", Value: `15`},
+		{ID: 46, Key: "rank.answer.vote_down", Value: `125`},
+		{ID: 47, Key: "rank.comment.add", Value: `1`},
+		{ID: 48, Key: "rank.comment.edit", Value: `-1`},
+		{ID: 49, Key: "rank.comment.delete", Value: `-1`},
+		{ID: 50, Key: "rank.report.add", Value: `1`},
+		{ID: 51, Key: "rank.tag.add", Value: `1`},
+		{ID: 52, Key: "rank.tag.edit", Value: `100`},
+		{ID: 53, Key: "rank.tag.delete", Value: `-1`},
+		{ID: 54, Key: "rank.tag.synonym", Value: `20000`},
+		{ID: 55, Key: "rank.link.url_limit", Value: `10`},
+		{ID: 56, Key: "rank.vote.detail", Value: `0`},
+
+		{ID: 87, Key: "question.asked", Value: `0`},
+		{ID: 88, Key: "question.closed", Value: `0`},
+		{ID: 89, Key: "question.reopened", Value: `0`},
+		{ID: 90, Key: "question.answered", Value: `0`},
+		{ID: 91, Key: "question.commented", Value: `0`},
+		{ID: 92, Key: "question.accept", Value: `0`},
+		{ID: 93, Key: "question.edited", Value: `0`},
+		{ID: 94, Key: "question.rollback", Value: `0`},
+		{ID: 95, Key: "question.deleted", Value: `0`},
+		{ID: 96, Key: "question.undeleted", Value: `0`},
+		{ID: 97, Key: "answer.answered", Value: `0`},
+		{ID: 98, Key: "answer.commented", Value: `0`},
+		{ID: 99, Key: "answer.edited", Value: `0`},
+		{ID: 100, Key: "answer.rollback", Value: `0`},
+		{ID: 101, Key: "answer.undeleted", Value: `0`},
+		{ID: 102, Key: "tag.created", Value: `0`},
+		{ID: 103, Key: "tag.edited", Value: `0`},
+		{ID: 104, Key: "tag.rollback", Value: `0`},
+		{ID: 105, Key: "tag.deleted", Value: `0`},
+		{ID: 106, Key: "tag.undeleted", Value: `0`},
+
+		{ID: 107, Key: "rank.comment.vote_up", Value: `1`},
+		{ID: 108, Key: "rank.comment.vote_down", Value: `1`},
+		{ID: 109, Key: "rank.question.edit_without_review", Value: `2000`},
+		{ID: 110, Key: "rank.answer.edit_without_review", Value: `2000`},
+		{ID: 111, Key: "rank.tag.edit_without_review", Value: `20000`},
+		{ID: 112, Key: "rank.answer.audit", Value: `2000`},
+		{ID: 113, Key: "rank.question.audit", Value: `2000`},
+		{ID: 114, Key: "rank.tag.audit", Value: `20000`},
+	}
+	for _, c := range defaultConfigTable {
+		exist, err := x.Get(&entity.Config{ID: c.ID, Key: c.Key})
+		if err != nil {
+			return fmt.Errorf("get config failed: %w", err)
+		}
+		if exist {
+			if _, err = x.Update(c, &entity.Config{ID: c.ID, Key: c.Key}); err != nil {
+				log.Errorf("update %+v config failed: %s", c, err)
+				return fmt.Errorf("update config failed: %w", err)
+			}
+			continue
+		}
+		if _, err = x.Insert(&entity.Config{ID: c.ID, Key: c.Key, Value: c.Value}); err != nil {
+			log.Errorf("insert %+v config failed: %s", c, err)
+			return fmt.Errorf("add config failed: %w", err)
+		}
+	}
+
 	type Revision struct {
 		ReviewUserID int64 `xorm:"not null default 0 BIGINT(20) review_user_id"`
 	}
@@ -15,5 +179,22 @@ func addActivityTimeline(x *xorm.Engine) error {
 		RevisionID       int64     `xorm:"not null default 0 BIGINT(20) revision_id"`
 		OriginalObjectID string    `xorm:"not null default 0 BIGINT(20) original_object_id"`
 	}
-	return x.Sync(new(Activity), new(Revision))
+	type Tag struct {
+		UserID string `xorm:"not null default 0 BIGINT(20) user_id"`
+	}
+	type Question struct {
+		UpdatedAt      time.Time `xorm:"updated_at TIMESTAMP"`
+		LastEditUserID string    `xorm:"not null default 0 BIGINT(20) last_edit_user_id"`
+		PostUpdateTime time.Time `xorm:"post_update_time TIMESTAMP"`
+	}
+	type Answer struct {
+		UpdatedAt      time.Time `xorm:"updated_at TIMESTAMP"`
+		LastEditUserID string    `xorm:"not null default 0 BIGINT(20) last_edit_user_id"`
+	}
+
+	err = x.Sync(new(Activity), new(Revision), new(Tag), new(Question), new(Answer))
+	if err != nil {
+		return fmt.Errorf("sync table failed %w", err)
+	}
+	return nil
 }