diff --git a/internal/biz/business/channel.go b/internal/biz/business/channel.go
index f1b489c..b1c4e52 100644
--- a/internal/biz/business/channel.go
+++ b/internal/biz/business/channel.go
@@ -49,9 +49,7 @@ type Channel struct {
 }
 
 func (c *Channel) BusinessDisplayName() string {
-	if len(c.BusinessPath) > 0 {
-		return strings.Join(c.BusinessPath, "→")
-	}
+	// 沿用旧商务系统：显示绑定的平台商务账号及当前商务登录名。
 	account, user := strings.TrimSpace(c.BindingAccount), strings.TrimSpace(c.BindingUserName)
 	if account == "" {
 		return user
diff --git a/internal/data/business/channel_test.go b/internal/data/business/channel_test.go
index d0af428..1b63485 100644
--- a/internal/data/business/channel_test.go
+++ b/internal/data/business/channel_test.go
@@ -112,7 +112,7 @@ func TestChannelListMatchesBindingsAndLiteralBusinessKeyword(t *testing.T) {
 		t.Fatalf("指定商务应只取本人绑定: %+v %v", page, err)
 	}
 	for _, row := range page.Rows {
-		if row.SourceDB != "lx" || row.BusierUserID == nil || *row.BusierUserID != 9 || row.BusinessDisplayName() != "parent→branch→leaf" {
+		if row.SourceDB != "lx" || row.BusierUserID == nil || *row.BusierUserID != 9 || row.BusinessDisplayName() != "lx-business（leaf）" {
 			t.Fatalf("归属展示错误: %+v", row)
 		}
 	}
diff --git a/internal/service/business/channel_portrait_test.go b/internal/service/business/channel_portrait_test.go
index 8c6d6c8..a01177e 100644
--- a/internal/service/business/channel_portrait_test.go
+++ b/internal/service/business/channel_portrait_test.go
@@ -20,14 +20,14 @@ func TestChannelPortraitKeepsContactAndCooperationStatusSeparateFromAudit(t *tes
 		status int
 		label  string
 	}{{0, "正常"}, {-1, "锁定"}, {-2, "解除合作"}} {
-		channel := &business.Channel{ChannelKey: business.ChannelKey{SourceDB: "lx", ID: 100}, Account: "渠道账号", Level: &level, Status: &auditStatus, LockStatus: &sample.status, Phone: "13812345678", SettlementDays: &days, BusinessPath: []string{"一级商务", "所属商务"}}
+		channel := &business.Channel{ChannelKey: business.ChannelKey{SourceDB: "lx", ID: 100}, Account: "渠道账号", Level: &level, Status: &auditStatus, LockStatus: &sample.status, Phone: "13812345678", SettlementDays: &days, BindingAccount: "SDK商务", BindingUserName: "所属商务", BusinessPath: []string{"一级商务", "所属商务"}}
 		service := &ChannelPortraitService{uc: channelPortraitTransportFake{&business.ChannelPortrait{Basic: &business.ChannelPortraitBasic{Channel: channel}}}}
 		result, err := service.Portrait(context.Background(), &dto.ChannelPortraitQuery{SourceDB: "lx", PromoteID: 100})
 		if err != nil {
 			t.Fatal(err)
 		}
 		b := result.Basic
-		if b.LockStatusLabel != sample.label || b.StatusLabel != "正常" || b.Phone != channel.Phone || b.SettlementDays == nil || *b.SettlementDays != 7 || b.BusierDisplayName != "一级商务→所属商务" || b.ParentPromoteName == nil || *b.ParentPromoteName != "所属商务" {
+		if b.LockStatusLabel != sample.label || b.StatusLabel != "正常" || b.Phone != channel.Phone || b.SettlementDays == nil || *b.SettlementDays != 7 || b.BusierDisplayName != "SDK商务（所属商务）" || b.ParentPromoteName == nil || *b.ParentPromoteName != "所属商务" {
 			t.Fatalf("portrait metadata or status mismatch: %+v", b)
 		}
 	}