diff --git a/repository/meter.go b/repository/meter.go
index c0d3a00..e5c818d 100644
--- a/repository/meter.go
+++ b/repository/meter.go
@@ -281,7 +281,7 @@ func (mr _MeterRepository) CreateOrUpdateMeter(tx pgx.Tx, ctx context.Context, p
 			},
 		).
 		OnConflict(
-			goqu.DoUpdate("meter_04kv_pkey",
+			goqu.DoUpdate("code, park_id",
 				goqu.Record{
 					"address":          goqu.I("excluded.address"),
 					"seq":              goqu.I("excluded.seq"),
diff --git a/router/router.go b/router/router.go
index b436fd1..fe8c98f 100644
--- a/router/router.go
+++ b/router/router.go
@@ -26,7 +26,7 @@ func init() {
 
 func App() *fiber.App {
 	app := fiber.New(fiber.Config{
-		BodyLimit:               10 * 1024 * 1024,
+		BodyLimit:               30 * 1024 * 1024,
 		EnablePrintRoutes:       true,
 		EnableTrustedProxyCheck: false,
 		Prefork:                 false,
diff --git a/service/meter.go b/service/meter.go
index bea9bb1..ff3be35 100644
--- a/service/meter.go
+++ b/service/meter.go
@@ -155,7 +155,7 @@ func (ms _MeterService) BatchImportMeters(pid string, file *multipart.FileHeader
 	// 步骤2.1：获取表计档案中出现的所有建筑，并对档案中新出现的建筑进行创建操作
 	unexistsBuildingNames := make([]string, 0)
 	for _, record := range records {
-		if !lo.Contains(buildingNames, *record.Building) {
+		if record.Building != nil && !lo.Contains(buildingNames, *record.Building) {
 			unexistsBuildingNames = append(unexistsBuildingNames, *record.Building)
 		}
 	}
@@ -186,7 +186,7 @@ func (ms _MeterService) BatchImportMeters(pid string, file *multipart.FileHeader
 	// 步骤2.3：检测并替换表计档案中的建筑ID
 	for _, record := range records {
 		for _, building := range buildings {
-			if building.Name == *record.Building {
+			if record.Building != nil && building.Name == *record.Building {
 				record.Building = &building.Id
 				break
 			}