diff --git a/backend/internal/modules/order/dto.go b/backend/internal/modules/order/dto.go
index 4d3fb4c..cab9fa4 100644
--- a/backend/internal/modules/order/dto.go
+++ b/backend/internal/modules/order/dto.go
@@ -106,7 +106,7 @@ type UserOrderListItemDTO struct {
 	CreatedAt               time.Time  `json:"created_at"`
 }
 
-// AdminOrderListItemDTO 是后台订单表格的最小展示数据，敏感详情仅由详情接口按权限获取。
+// AdminOrderListItemDTO 是后台订单表格的最小展示数据；手机号按客服需要返回完整值，其余敏感详情仅由详情接口按权限获取。
 type AdminOrderListItemDTO struct {
 	ID                uint64    `json:"id"`
 	OrderNo           string    `json:"order_no"`
diff --git a/backend/internal/modules/order/presenter.go b/backend/internal/modules/order/presenter.go
index 7a9f958..6782ef2 100644
--- a/backend/internal/modules/order/presenter.go
+++ b/backend/internal/modules/order/presenter.go
@@ -205,8 +205,8 @@ func (row orderRow) toAdminListItem() AdminOrderListItemDTO {
 		OrderNo:           row.OrderNo,
 		ListingID:         row.ListingID,
 		ListingNo:         row.ListingNo,
-		OwnerPhone:        maskPhone(row.OwnerPhone),
-		RenterPhone:       maskPhone(row.RenterPhone),
+		OwnerPhone:        row.OwnerPhone,
+		RenterPhone:       row.RenterPhone,
 		Title:             row.Title,
 		ServerRegion:      row.ServerRegion,
 		LoginPlatform:     row.LoginPlatform,
@@ -221,13 +221,6 @@ func (row orderRow) toAdminListItem() AdminOrderListItemDTO {
 	}
 }
 
-func maskPhone(phone string) string {
-	if len(phone) < 7 {
-		return ""
-	}
-	return phone[:3] + "****" + phone[len(phone)-4:]
-}
-
 func effectiveHandoffMode(order model.RentalOrder) string {
 	if order.HandoffMode != "" {
 		return order.HandoffMode
diff --git a/backend/internal/modules/order/presenter_test.go b/backend/internal/modules/order/presenter_test.go
index 4b4b558..a5a38de 100644
--- a/backend/internal/modules/order/presenter_test.go
+++ b/backend/internal/modules/order/presenter_test.go
@@ -72,7 +72,7 @@ func TestUserOrderListItemDoesNotSerializeDetailFields(t *testing.T) {
 	}
 }
 
-func TestAdminOrderListItemMasksPhonesAndOmitsSnapshot(t *testing.T) {
+func TestAdminOrderListItemShowsPhonesAndOmitsSnapshot(t *testing.T) {
 	row := orderRow{
 		RentalOrder: model.RentalOrder{ID: 1, OrderNo: "ORD-001", Status: orderStatusPendingPayment},
 		OwnerPhone:  "13800001234",
@@ -83,8 +83,11 @@ func TestAdminOrderListItemMasksPhonesAndOmitsSnapshot(t *testing.T) {
 		t.Fatalf("Marshal() error = %v", err)
 	}
 	text := string(raw)
-	if strings.Contains(text, "13800001234") || strings.Contains(text, "13900005678") {
-		t.Fatalf("list response contains full phone number: %s", text)
+	// 后台订单列表需要展示完整手机号，方便客服定位用户。
+	for _, phone := range []string{"13800001234", "13900005678"} {
+		if !strings.Contains(text, phone) {
+			t.Fatalf("list response should contain full phone %q: %s", phone, text)
+		}
 	}
 	if strings.Contains(text, "account_snapshot") {
 		t.Fatalf("list response contains account snapshot: %s", text)
diff --git a/frontend/src/features/orders/api/orders.ts b/frontend/src/features/orders/api/orders.ts
index 38ef07e..8a1ade3 100644
--- a/frontend/src/features/orders/api/orders.ts
+++ b/frontend/src/features/orders/api/orders.ts
@@ -98,7 +98,7 @@ export interface UserOrderListItem {
   created_at: string
 }
 
-// 后台订单列表使用脱敏后的表格数据，敏感字段仅在详情接口中按权限返回。
+// 后台订单列表返回客服需要的完整用户手机号，其余敏感字段仅在详情接口中按权限返回。
 export interface AdminOrderListItem {
   id: number
   order_no: string