diff --git a/internal/core/gen.go b/internal/core/gen.go
index f712b8d1c..9fdf2cb77 100644
--- a/internal/core/gen.go
+++ b/internal/core/gen.go
@@ -63,7 +63,7 @@ func Gen(genType string, specificPath string, overwrite bool) {
 	logrus.Info("File Generated: " + absPath)
 }
 
-var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*")
+var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*1234567890")
 
 func RandStringRunes(n int) string {
 	b := make([]rune, n)
diff --git a/internal/entity/notify.go b/internal/entity/notify.go
index 380f15372..344de8951 100644
--- a/internal/entity/notify.go
+++ b/internal/entity/notify.go
@@ -1,11 +1,10 @@
 package entity
 
 import (
-	"fmt"
+	"math/rand"
 	"sync"
 	"time"
 
-	"github.com/ArtalkJS/Artalk/internal/utils"
 	"gorm.io/gorm"
 )
 
@@ -36,5 +35,10 @@ func (n *Notify) SetComment(comment Comment) {
 
 // 操作时的验证密钥（判断是否本人操作）
 func (n *Notify) GenerateKey() {
-	n.Key = utils.GetMD5Hash(fmt.Sprintf("%v %v %v", n.UserID, n.CommentID, time.Now().Unix()))
+	letterRunes := []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890")
+	b := make([]rune, 5)
+	for i := range b {
+		b[i] = letterRunes[rand.Intn(len(letterRunes))]
+	}
+	n.Key = string(b)
 }
diff --git a/internal/query/query_find.go b/internal/query/query_find.go
index 236980e03..77837e015 100644
--- a/internal/query/query_find.go
+++ b/internal/query/query_find.go
@@ -174,9 +174,9 @@ func FindNotify(userID uint, commentID uint) entity.Notify {
 	return notify
 }
 
-func FindNotifyByKey(key string) entity.Notify {
+func FindNotifyForComment(commentID uint, key string) entity.Notify {
 	var notify entity.Notify
-	DB().Where(entity.Notify{Key: key}).First(&notify)
+	DB().Where(entity.Notify{CommentID: commentID, Key: key}).First(&notify)
 	return notify
 }
 
diff --git a/server/handler/mark_read.go b/server/handler/mark_read.go
index a129d876f..1cfc62a7c 100644
--- a/server/handler/mark_read.go
+++ b/server/handler/mark_read.go
@@ -8,6 +8,7 @@ import (
 )
 
 type ParamsMarkRead struct {
+	CommentID uint   `form:"comment_id"`
 	NotifyKey string `form:"notify_key"`
 
 	Name    string `form:"name"`
@@ -22,7 +23,8 @@ type ParamsMarkRead struct {
 // @Summary      Notify Mark Read
 // @Description  Mark specific notification as read for user
 // @Tags         Notify
-// @Param        notify_key  formData  string  true   "the notify key you want to mark as read"
+// @Param        comment_id  formData  int     true   "the comment id of the notify you want to mark as read"
+// @Param        notify_key  formData  string  true   "the key of the notify"
 // @Param        name        formData  string  false  "the username"
 // @Param        email       formData  string  false  "the user email"
 // @Param        all_read    formData  bool    false  "the option if mark all user's notify as read"
@@ -55,7 +57,7 @@ func MarkRead(router fiber.Router) {
 		}
 
 		// find notify
-		notify := query.FindNotifyByKey(p.NotifyKey)
+		notify := query.FindNotifyForComment(p.CommentID, p.NotifyKey)
 		if notify.IsEmpty() {
 			return common.RespError(c, i18n.T("{{name}} not found", Map{"name": i18n.T("Notify")}))
 		}
diff --git a/ui/packages/artalk/src/api/user.ts b/ui/packages/artalk/src/api/user.ts
index d0f0cb891..4846c66db 100644
--- a/ui/packages/artalk/src/api/user.ts
+++ b/ui/packages/artalk/src/api/user.ts
@@ -56,12 +56,14 @@ export default class UserApi extends ApiBase {
   }
 
   /** 已读标记 */
-  public markRead(notifyKey: string, readAll = false) {
+  public markRead(commentID: number, notifyKey: string, readAll = false) {
     const params: any = {
+      comment_id: commentID,
       notify_key: notifyKey,
     }
 
     if (readAll) {
+      delete params.comment_id
       delete params.notify_key
       params.read_all = true
       params.name = User.data.nick
diff --git a/ui/packages/artalk/src/list/list.ts b/ui/packages/artalk/src/list/list.ts
index 89df00c4e..158f993df 100644
--- a/ui/packages/artalk/src/list/list.ts
+++ b/ui/packages/artalk/src/list/list.ts
@@ -142,7 +142,7 @@ export default class List extends ListLite {
     // 已阅 API
     const notifyKey = Utils.getQueryParam('atk_notify_key')
     if (notifyKey) {
-      this.ctx.getApi().user.markRead(notifyKey)
+      this.ctx.getApi().user.markRead(commentId, notifyKey)
         .then(() => {
           this.unread = this.unread.filter(o => o.comment_id !== commentId)
           this.updateUnread(this.unread)