diff --git a/model/ability.go b/model/ability.go
index 48b856a2..4a48bc51 100644
--- a/model/ability.go
+++ b/model/ability.go
@@ -1,8 +1,10 @@
 package model
 
 import (
+	"context"
 	"github.com/songquanpeng/one-api/common"
 	"gorm.io/gorm"
+	"sort"
 	"strings"
 )
 
@@ -88,3 +90,19 @@ func (channel *Channel) UpdateAbilities() error {
 func UpdateAbilityStatus(channelId int, status bool) error {
 	return DB.Model(&Ability{}).Where("channel_id = ?", channelId).Select("enabled").Update("enabled", status).Error
 }
+
+func GetGroupModels(ctx context.Context, group string) ([]string, error) {
+	groupCol := "`group`"
+	trueVal := "1"
+	if common.UsingPostgreSQL {
+		groupCol = `"group"`
+		trueVal = "true"
+	}
+	var models []string
+	err := DB.Model(&Ability{}).Distinct("model").Where(groupCol+" = ? and enabled = "+trueVal, group).Pluck("model", &models).Error
+	if err != nil {
+		return nil, err
+	}
+	sort.Strings(models)
+	return models, err
+}
diff --git a/model/channel.go b/model/channel.go
index 24829bc5..fc4905b1 100644
--- a/model/channel.go
+++ b/model/channel.go
@@ -1,7 +1,6 @@
 package model
 
 import (
-	"context"
 	"encoding/json"
 	"fmt"
 	"github.com/songquanpeng/one-api/common"
@@ -9,8 +8,6 @@ import (
 	"github.com/songquanpeng/one-api/common/helper"
 	"github.com/songquanpeng/one-api/common/logger"
 	"gorm.io/gorm"
-	"sort"
-	"strings"
 )
 
 type Channel struct {
@@ -28,7 +25,7 @@ type Channel struct {
 	Balance            float64 `json:"balance"` // in USD
 	BalanceUpdatedTime int64   `json:"balance_updated_time" gorm:"bigint"`
 	Models             string  `json:"models"`
-	Group              string  `json:"group" gorm:"index;type:varchar(32);default:'default'"`
+	Group              string  `json:"group" gorm:"type:varchar(32);default:'default'"`
 	UsedQuota          int64   `json:"used_quota" gorm:"bigint;default:0"`
 	ModelMapping       *string `json:"model_mapping" gorm:"type:varchar(1024);default:''"`
 	Priority           *int64  `json:"priority" gorm:"bigint;default:0"`
@@ -205,28 +202,3 @@ func DeleteDisabledChannel() (int64, error) {
 	result := DB.Where("status = ? or status = ?", common.ChannelStatusAutoDisabled, common.ChannelStatusManuallyDisabled).Delete(&Channel{})
 	return result.RowsAffected, result.Error
 }
-
-func GetGroupModels(ctx context.Context, group string) ([]string, error) {
-	groupCol := "`group`"
-	if common.UsingPostgreSQL {
-		groupCol = `"group"`
-	}
-	var modelsList []string
-	err := DB.Model(&Channel{}).Distinct("models").Where(groupCol+" = ?", group).Pluck("models", &modelsList).Error
-	if err != nil {
-		return nil, err
-	}
-	set := make(map[string]bool)
-	for i := 0; i < len(modelsList); i++ {
-		modelList := strings.Split(modelsList[i], ",")
-		for _, model := range modelList {
-			set[model] = true
-		}
-	}
-	modelList := make([]string, 0, len(set))
-	for model := range set {
-		modelList = append(modelList, model)
-	}
-	sort.Strings(modelList)
-	return modelList, err
-}