diff --git a/app/db/model/qrcode_batch.go b/app/db/model/qrcode_batch.go
index 2e5597f..32bbc25 100644
--- a/app/db/model/qrcode_batch.go
+++ b/app/db/model/qrcode_batch.go
@@ -4,7 +4,7 @@ type QrcodeBatch struct {
 	Id          int    `json:"id" xorm:"not null pk autoincr INT(11)"`
 	Name        string `json:"name" xorm:"not null default '' comment('名称') VARCHAR(255)"`
 	TotalNum    int    `json:"total_num" xorm:"not null default 0' comment('总数量') INT(11)"`
-	TotalAmount string `json:"total_amount" xorm:"not null default 0.00 comment('总金额') DECIMAL(6,2)"`
+	TotalAmount string `json:"total_amount" xorm:"not null default 0.00 comment('总金额') DECIMAL(8,2)"`
 	State       int32  `json:"state" xorm:"not null default 1 comment('状态(1:使用中 2:使用完 3:已过期 4:已作废)') TINYINT(1)"`
 	ExpireDate  string `json:"expire_date" xorm:"not null default 0000-00-00 comment('截止日期') CHAR(50)"`
 	Memo        string `json:"memo" xorm:"not null default '' comment('备注') VARCHAR(255)"`
diff --git a/app/lib/wx/wx_official_account.go b/app/lib/wx/wx_official_account.go
index c77c8ac..aae3777 100644
--- a/app/lib/wx/wx_official_account.go
+++ b/app/lib/wx/wx_official_account.go
@@ -65,7 +65,7 @@ func (officialAccount *OfficialAccount) QrcodeCreate(sceneStr string) (qrcodeUrl
 	//}, nil)
 	requestBody, _ := json.Marshal(map[string]interface{}{
 		"action_name":    "QR_STR_SCENE",
-		"expire_seconds": "6000",
+		"expire_seconds": "2592000", //30天过期
 		"action_info": map[string]interface{}{
 			"scene": map[string]string{
 				"scene_str": sceneStr,