diff --git a/services/room-service/internal/integration/tencent_im.go b/services/room-service/internal/integration/tencent_im.go
index 4128d3b3..f9a8f6b2 100644
--- a/services/room-service/internal/integration/tencent_im.go
+++ b/services/room-service/internal/integration/tencent_im.go
@@ -80,7 +80,7 @@ func (p *TencentIMPublisher) PublishOutboxEvent(ctx context.Context, envelope *r
 		}
 	}
 
-	return p.client.PublishRoomEvent(ctx, event)
+	return p.PublishRoomEvent(ctx, event)
 }
 
 // noopRoomEventPublisher 是本地和测试路径的房间消息发布占位实现。
diff --git a/services/room-service/internal/integration/tencent_im_test.go b/services/room-service/internal/integration/tencent_im_test.go
index 3f26948d..01b7ae94 100644
--- a/services/room-service/internal/integration/tencent_im_test.go
+++ b/services/room-service/internal/integration/tencent_im_test.go
@@ -3,6 +3,7 @@ package integration
 import (
 	"bytes"
 	"context"
+	"encoding/json"
 	"io"
 	"net/http"
 	"testing"
@@ -108,6 +109,7 @@ func TestRoomPasswordChangedSkipsRoomGroupIM(t *testing.T) {
 
 func TestTencentIMPublisherRemovesGroupMemberBeforeKickMessage(t *testing.T) {
 	paths := make([]string, 0, 2)
+	bodies := make([]map[string]any, 0, 2)
 	client, err := tencentim.NewRESTClient(tencentim.RESTConfig{
 		SDKAppID:        1400000000,
 		SecretKey:       "secret",
@@ -115,6 +117,11 @@ func TestTencentIMPublisherRemovesGroupMemberBeforeKickMessage(t *testing.T) {
 		AdminUserSigTTL: time.Hour,
 		HTTPClient: &http.Client{Transport: roundTripFunc(func(request *http.Request) (*http.Response, error) {
 			paths = append(paths, request.URL.Path)
+			var body map[string]any
+			if err := json.NewDecoder(request.Body).Decode(&body); err != nil {
+				t.Fatalf("decode request body failed: %v", err)
+			}
+			bodies = append(bodies, body)
 			return &http.Response{
 				StatusCode: http.StatusOK,
 				Body:       io.NopCloser(bytes.NewReader([]byte(`{"ActionStatus":"OK","ErrorCode":0,"ErrorInfo":""}`))),
@@ -141,6 +148,9 @@ func TestTencentIMPublisherRemovesGroupMemberBeforeKickMessage(t *testing.T) {
 	if len(paths) != 2 || paths[0] != "/v4/group_open_http_svc/delete_group_member" || paths[1] != "/v4/group_open_http_svc/send_group_msg" {
 		t.Fatalf("kick outbox should delete member before system message, paths=%+v", paths)
 	}
+	if bodies[0]["GroupId"] != "room_kick" || bodies[1]["GroupId"] != "room_kick" {
+		t.Fatalf("kick outbox must use Tencent-safe room group id, bodies=%+v", bodies)
+	}
 }
 
 type roundTripFunc func(*http.Request) (*http.Response, error)