diff --git a/go.mod b/go.mod
index b187f53c2..87b615041 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
 	github.com/tencent-connect/botgo v0.2.1
-	github.com/ystyle/xiaoyi-agent-sdk v0.0.0-20260227130030-0515fa30d618
+	github.com/ystyle/xiaoyi-agent-sdk v0.0.0-20260228122638-808341089b7f
 	go.mau.fi/whatsmeow v0.0.0-20260219150138-7ae702b1eed4
 	golang.org/x/oauth2 v0.35.0
 	golang.org/x/time v0.14.0
diff --git a/go.sum b/go.sum
index 7992215d3..c5ada5eba 100644
--- a/go.sum
+++ b/go.sum
@@ -202,8 +202,8 @@ github.com/vektah/gqlparser/v2 v2.5.27 h1:RHPD3JOplpk5mP5JGX8RKZkt2/Vwj/PZv0HxTd
 github.com/vektah/gqlparser/v2 v2.5.27/go.mod h1:D1/VCZtV3LPnQrcPBeR/q5jkSQIPti0uYCP/RI0gIeo=
 github.com/xyproto/randomstring v1.0.5 h1:YtlWPoRdgMu3NZtP45drfy1GKoojuR7hmRcnhZqKjWU=
 github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=
-github.com/ystyle/xiaoyi-agent-sdk v0.0.0-20260227130030-0515fa30d618 h1:2lZ4jVfUzdWU2ubDjdrO5eqqUeDnPZBeUrgkIFjiGKg=
-github.com/ystyle/xiaoyi-agent-sdk v0.0.0-20260227130030-0515fa30d618/go.mod h1:IXaPNIZ8Ta3iIhw1DmlDS3T0UumdrNtv0rIIBWvE/MU=
+github.com/ystyle/xiaoyi-agent-sdk v0.0.0-20260228122638-808341089b7f h1:H2SONTyMFS8Iva/9FJmU+4unMPruf7Estc5HmTf7kNQ=
+github.com/ystyle/xiaoyi-agent-sdk v0.0.0-20260228122638-808341089b7f/go.mod h1:IXaPNIZ8Ta3iIhw1DmlDS3T0UumdrNtv0rIIBWvE/MU=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
diff --git a/pkg/channels/xiaoyi/xiaoyi.go b/pkg/channels/xiaoyi/xiaoyi.go
index 1be78a3b8..f4d45257c 100644
--- a/pkg/channels/xiaoyi/xiaoyi.go
+++ b/pkg/channels/xiaoyi/xiaoyi.go
@@ -2,6 +2,7 @@ package xiaoyi
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 
@@ -116,7 +117,7 @@ func (c *XiaoYiChannel) Send(ctx context.Context, msg bus.OutboundMessage) error
 		return channels.ErrNotRunning
 	}
 
-	parts := strings.SplitN(msg.ChatID, ":", 2)
+	parts := strings.SplitN(msg.ChatID, "|", 2)
 	if len(parts) != 2 {
 		return fmt.Errorf("invalid chat_id format: %w", channels.ErrSendFailed)
 	}
@@ -131,6 +132,9 @@ func (c *XiaoYiChannel) Send(ctx context.Context, msg bus.OutboundMessage) error
 	})
 
 	if err := c.client.ReplyStream(ctx, taskID, sessionID, msg.Content, false, false); err != nil {
+		if errors.Is(err, types.ErrSessionNotFound) {
+			return fmt.Errorf("xiaoyi session not found: %w", channels.ErrSendFailed)
+		}
 		return fmt.Errorf("xiaoyi reply: %w", channels.ErrTemporary)
 	}
 
@@ -165,7 +169,7 @@ func (c *XiaoYiChannel) handleMessage(ctx context.Context, msg types.Message) er
 		return nil
 	}
 
-	chatID := fmt.Sprintf("%s:%s", sessionID, taskID)
+	chatID := fmt.Sprintf("%s|%s", sessionID, taskID)
 	peer := bus.Peer{Kind: "direct", ID: sessionID}
 
 	if err := c.client.SendStatus(ctx, taskID, sessionID, "Processing...", "working"); err != nil {
@@ -176,7 +180,7 @@ func (c *XiaoYiChannel) handleMessage(ctx context.Context, msg types.Message) er
 		"task_id": taskID,
 	}
 
-	c.HandleMessage(c.ctx,
+	c.HandleMessage(ctx,
 		peer,
 		"",
 		sessionID,