diff --git a/model/meter.go b/model/meter.go
index 857280c..bc2df21 100644
--- a/model/meter.go
+++ b/model/meter.go
@@ -22,6 +22,7 @@ type MeterDetail struct {
 	DetachedAt     *types.DateTime     `json:"detachedAt" db:"detached_at"`
 	CreatedAt      types.DateTime      `json:"createdAt" db:"created_at"`
 	LastModifiedAt types.DateTime      `json:"lastModifiedAt" db:"last_modified_at"`
+	DisplayRatio   float64             `json:"display_ratio" db:"display_ratio"`
 }
 
 type MeterRelation struct {
diff --git a/repository/park.go b/repository/park.go
index 91afbc4..8ca1a49 100644
--- a/repository/park.go
+++ b/repository/park.go
@@ -8,7 +8,6 @@ import (
 	"electricity_bill_calc/tools"
 	"electricity_bill_calc/tools/serial"
 	"electricity_bill_calc/types"
-
 	"github.com/doug-martin/goqu/v9"
 	_ "github.com/doug-martin/goqu/v9/dialect/postgres"
 	"github.com/georgysavva/scany/v2/pgxscan"