diff --git a/channel/wechat-corp-account.go b/channel/wechat-corp-account.go
index 7593db7..7f2802a 100644
--- a/channel/wechat-corp-account.go
+++ b/channel/wechat-corp-account.go
@@ -33,7 +33,7 @@ func (i *WeChatCorpAccountTokenStoreItem) Key() string {
 func (i *WeChatCorpAccountTokenStoreItem) IsShared() bool {
 	appId := fmt.Sprintf("%s|%s", i.CorpId, i.AgentId)
 	var count int64 = 0
-	model.DB.Model(&model.Channel{}).Where("type = ? and app_id = ? and secret = ?", model.TypeWeChatCorpAccount, appId, i.AgentSecret).Count(&count)
+	model.DB.Model(&model.Channel{}).Where("secret = ? and app_id = ? and type = ?", model.TypeWeChatCorpAccount, appId, i.AgentSecret).Count(&count)
 	return count > 1
 }
 
diff --git a/channel/wechat-test-account.go b/channel/wechat-test-account.go
index 519d51f..57a030c 100644
--- a/channel/wechat-test-account.go
+++ b/channel/wechat-test-account.go
@@ -30,7 +30,7 @@ func (i *WeChatTestAccountTokenStoreItem) Key() string {
 
 func (i *WeChatTestAccountTokenStoreItem) IsShared() bool {
 	var count int64 = 0
-	model.DB.Model(&model.Channel{}).Where("type = ? and app_id = ? and secret = ?", model.TypeWeChatTestAccount, i.AppID, i.AppSecret).Count(&count)
+	model.DB.Model(&model.Channel{}).Where("secret = ? and app_id = ? and type = ?", model.TypeWeChatTestAccount, i.AppID, i.AppSecret).Count(&count)
 	return count > 1
 }
 
diff --git a/model/channel.go b/model/channel.go
index f381170..47a6ea1 100644
--- a/model/channel.go
+++ b/model/channel.go
@@ -27,7 +27,7 @@ type Channel struct {
 	Name        string `json:"name" gorm:"type:varchar(32);uniqueIndex:name_user_id"`
 	Description string `json:"description"`
 	Status      int    `json:"status" gorm:"default:1"` // enabled, disabled
-	Secret      string `json:"secret"`
+	Secret      string `json:"secret" gorm:"index"`
 	AppId       string `json:"app_id"`
 	AccountId   string `json:"account_id"`
 	URL         string `json:"url" gorm:"column:url"`