diff --git a/business/model/dao/dao_bill.go b/business/model/dao/dao_bill.go
index 8df438809..f7a7bb42f 100644
--- a/business/model/dao/dao_bill.go
+++ b/business/model/dao/dao_bill.go
@@ -148,7 +148,7 @@ type MixPayDetail struct {
 
 //获取混合支付 余额部分信息
 func GetMixPayDetail(orderID string) (mixPayDetail []*MixPayDetail, err error) {
-	sql := `SELECT * FROM mix_pay WHERE deleted_at = ? `
+	sql := "SELECT * FROM mix_pay WHERE deleted_at = ? "
 	sqlParams := []interface{}{
 		utils.DefaultTimeValue,
 	}