diff --git a/internal/application/refundapproval/creation.go b/internal/application/refundapproval/creation.go
index 47c1c849..b6880085 100644
--- a/internal/application/refundapproval/creation.go
+++ b/internal/application/refundapproval/creation.go
@@ -614,7 +614,7 @@ func refundSnapshots(refund *model.RefundRequest, attempt *model.RefundRequestAt
 	customerAccountInfo, customerVoucherKeys := refundCustomerMaterialFromAttempt(attempt)
 	requestSnapshot, err := sonic.Marshal(map[string]any{
 		constants.ApprovalFieldRefundNo: refund.RefundNo, constants.ApprovalFieldOrderID: refund.OrderID, constants.ApprovalFieldOrderNo: refund.OrderNo,
-		constants.ApprovalFieldAssetIdentifier: refund.AssetIdentifier, constants.ApprovalFieldAssetType: refund.OrderType,
+		constants.ApprovalFieldAssetIdentifier:      refund.AssetIdentifier,
 		constants.ApprovalFieldActualReceivedAmount: formatCentAmount(attempt.FrozenActualReceivedAmount), constants.ApprovalFieldRequestedRefundAmount: formatCentAmount(attempt.RefundAmount),
 		constants.ApprovalFieldRefundVoucherKey: []string(attempt.CustomerVoucherKeys), constants.ApprovalFieldRefundReason: attempt.RefundReason,
 		constants.ApprovalFieldPackageUsageID: refund.PackageUsageID, constants.ApprovalFieldRefundAssetType: material.AssetType,
diff --git a/internal/application/wecom/scene.go b/internal/application/wecom/scene.go
index a59c15d5..80b70e60 100644
--- a/internal/application/wecom/scene.go
+++ b/internal/application/wecom/scene.go
@@ -418,8 +418,6 @@ func sceneBusinessFields(businessType string) ([]dto.WeComBusinessFieldResponse,
 			{Code: constants.ApprovalFieldRefundNo, Name: "退款单号", ValueType: constants.ApprovalFieldValueTypeString, Description: "本次退款申请单号"},
 			{Code: constants.ApprovalFieldOrderID, Name: "订单 ID", ValueType: constants.ApprovalFieldValueTypeInteger, Description: "退款关联订单的系统 ID"},
 			{Code: constants.ApprovalFieldOrderNo, Name: "订单号", ValueType: constants.ApprovalFieldValueTypeString, Description: "退款关联订单号"},
-			{Code: constants.ApprovalFieldAssetIdentifier, Name: "资产标识", ValueType: constants.ApprovalFieldValueTypeString, Description: "退款关联卡或设备的业务标识"},
-			{Code: constants.ApprovalFieldAssetType, Name: "资产类型", ValueType: constants.ApprovalFieldValueTypeString, Description: "退款关联资产类型编码"},
 			{Code: constants.ApprovalFieldActualReceivedAmount, Name: "订单实收金额", ValueType: constants.ApprovalFieldValueTypeMoney, Description: "以元为单位且保留两位小数的订单实收金额"},
 			{Code: constants.ApprovalFieldRequestedRefundAmount, Name: "申请退款金额", ValueType: constants.ApprovalFieldValueTypeMoney, Description: "以元为单位且保留两位小数的本次申请退款金额"},
 			{Code: constants.ApprovalFieldRefundVoucherKey, Name: "退款凭证", ValueType: constants.ApprovalFieldValueTypeFileList, Description: "提交时上传到企微文件控件的退款凭证列表"},
diff --git a/pkg/constants/approval.go b/pkg/constants/approval.go
index f2168a99..13dd32bc 100644
--- a/pkg/constants/approval.go
+++ b/pkg/constants/approval.go
@@ -56,8 +56,6 @@ const (
 	ApprovalFieldOrderNo = "order_no"
 	// ApprovalFieldAssetIdentifier 表示退款资产标识业务字段。
 	ApprovalFieldAssetIdentifier = "asset_identifier"
-	// ApprovalFieldAssetType 表示退款资产类型业务字段。
-	ApprovalFieldAssetType = "asset_type"
 	// ApprovalFieldActualReceivedAmount 表示退款实收金额业务字段。
 	ApprovalFieldActualReceivedAmount = "actual_received_amount"
 	// ApprovalFieldRequestedRefundAmount 表示申请退款金额业务字段。
@@ -69,7 +67,6 @@ const (
 	// ApprovalFieldPackageUsageID 表示退款指定套餐使用记录 ID 业务字段。
 	ApprovalFieldPackageUsageID = "package_usage_id"
 	// ApprovalFieldRefundAssetType 表示退款资产类型（卡或设备）业务字段。
-	// 与 ApprovalFieldAssetType（下单快照的订单类型）语义不同，是本变更新增的审批材料字段。
 	ApprovalFieldRefundAssetType = "refund_asset_type"
 	// ApprovalFieldRefundDeviceType 表示退款关联设备的设备类型业务字段，无关联设备时为空串。
 	ApprovalFieldRefundDeviceType = "refund_device_type"