diff --git a/internal/builders/conversation_builder.go b/internal/builders/conversation_builder.go
index 3250aa1..1d3bddd 100644
--- a/internal/builders/conversation_builder.go
+++ b/internal/builders/conversation_builder.go
@@ -17,6 +17,7 @@ func BuildConversation(item *models.Conversation) response.ConversationResponse
 	ret := response.ConversationResponse{
 		ID:                        item.ID,
 		AIAgentID:                 item.AIAgentID,
+		ChannelID:                 item.ChannelID,
 		CustomerID:                item.CustomerID,
 		ExternalSource:            item.ExternalSource,
 		ExternalID:                item.ExternalID,
diff --git a/internal/controllers/api/conversation_controller.go b/internal/controllers/api/conversation_controller.go
index 4ae9235..0bf8782 100644
--- a/internal/controllers/api/conversation_controller.go
+++ b/internal/controllers/api/conversation_controller.go
@@ -50,7 +50,7 @@ func (c *ConversationController) PostCreate_or_match() *web.JsonResult {
 		return web.JsonErrorMsg("外部身份未初始化")
 	}
 
-	item, err := services.ConversationService.Create(*external, channel.AIAgentID)
+	item, err := services.ConversationService.Create(*external, channel.ID, channel.AIAgentID)
 	if err != nil {
 		return web.JsonError(err)
 	}
diff --git a/internal/models/models.go b/internal/models/models.go
index c7aef65..79e6aa9 100644
--- a/internal/models/models.go
+++ b/internal/models/models.go
@@ -325,6 +325,7 @@ type Tag struct {
 type Conversation struct {
 	ID                  int64                           `gorm:"primaryKey;autoIncrement"`                    // ID 为会话主键。
 	AIAgentID           int64                           `gorm:"type:bigint;not null;default:0;index"`        // AIAgentID 为当前会话绑定的 AI Agent ID。
+	ChannelID           int64                           `gorm:"type:bigint;not null;default:0;index"`        // ChannelID 为该会话来源接入渠道ID。
 	CustomerID          int64                           `gorm:"type:bigint;not null;default:0;index"`        // CustomerID 为已关联的 CRM 客户 ID；0 表示未关联（访客仅 ExternalUserID）。
 	ExternalSource      enums.ExternalSource            `gorm:"type:varchar(50);not null;default:'';index"`  // ExternalSource 为外部身份来源。
 	ExternalID          string                          `gorm:"type:varchar(128);not null;default:'';index"` // ExternalID 为外部访客ID。
diff --git a/internal/pkg/dto/response/conversation_response.go b/internal/pkg/dto/response/conversation_response.go
index c2e440f..e0d34d1 100644
--- a/internal/pkg/dto/response/conversation_response.go
+++ b/internal/pkg/dto/response/conversation_response.go
@@ -20,6 +20,7 @@ type ConversationParticipantResponse struct {
 type ConversationResponse struct {
 	ID                        int64                           `json:"id"`
 	AIAgentID                 int64                           `json:"aiAgentId"`
+	ChannelID                 int64                           `json:"channelId"`
 	CustomerID                int64                           `json:"customerId"`
 	ExternalSource            enums.ExternalSource            `json:"externalSource"`
 	ExternalID                string                          `json:"externalId"`
diff --git a/internal/services/conversation_service.go b/internal/services/conversation_service.go
index 013b693..888ab21 100644
--- a/internal/services/conversation_service.go
+++ b/internal/services/conversation_service.go
@@ -99,7 +99,7 @@ func (s *conversationService) getLatestNotFinished(externalInfo openidentity.Ext
 	return s.FindOne(cnd)
 }
 
-func (s *conversationService) Create(externalInfo openidentity.ExternalInfo, aiAgentID int64) (*models.Conversation, error) {
+func (s *conversationService) Create(externalInfo openidentity.ExternalInfo, channelID, aiAgentID int64) (*models.Conversation, error) {
 	subject := s.buildDefaultSubject(externalInfo)
 
 	// 会话存在，直接返回
@@ -114,6 +114,7 @@ func (s *conversationService) Create(externalInfo openidentity.ExternalInfo, aiA
 
 	conversation := &models.Conversation{
 		AIAgentID:         aiAgentID,
+		ChannelID:         channelID,
 		ExternalSource:    externalInfo.ExternalSource,
 		Subject:           subject,
 		Status:            s.resolveInitialStatus(aiAgent.ServiceMode),
diff --git a/internal/services/wxwork_kf_inbound_service.go b/internal/services/wxwork_kf_inbound_service.go
index b2e7bde..aa8d560 100644
--- a/internal/services/wxwork_kf_inbound_service.go
+++ b/internal/services/wxwork_kf_inbound_service.go
@@ -389,7 +389,7 @@ func (s *wxWorkKFInboundService) ensureConversation(base syncmsg.BaseMessage, pr
 		Desc("id"))
 
 	if conversation == nil {
-		conversation, err = ConversationService.Create(external, channel.AIAgentID)
+		conversation, err = ConversationService.Create(external, channel.ID, channel.AIAgentID)
 		if err != nil {
 			return nil, err
 		}
diff --git a/web/lib/api/admin.ts b/web/lib/api/admin.ts
index fc1dbe7..be86cfe 100644
--- a/web/lib/api/admin.ts
+++ b/web/lib/api/admin.ts
@@ -108,6 +108,7 @@ export type ConversationParticipant = {
 
 export type AdminConversation = {
   id: number
+  channelId: number
   externalSource: string
   externalId: string
   subject: string
diff --git a/web/lib/api/agent.ts b/web/lib/api/agent.ts
index bfe2dbb..fe47e72 100644
--- a/web/lib/api/agent.ts
+++ b/web/lib/api/agent.ts
@@ -35,6 +35,7 @@ export type AgentConversationParticipant = {
 export type AgentConversation = {
   id: number
   aiAgentId?: number
+  channelId?: number
   customerId?: number
   externalSource: string
   externalId: string
diff --git a/web/lib/api/im.ts b/web/lib/api/im.ts
index b42eeee..064620d 100644
--- a/web/lib/api/im.ts
+++ b/web/lib/api/im.ts
@@ -33,6 +33,7 @@ export type ImConversationParticipant = {
 
 export type ImConversation = {
   id: number
+  channelId: number
   externalSource: string
   externalId: string
   subject: string