diff --git a/server/im_http.go b/server/im_http.go
index 72662a0..7d28c49 100644
--- a/server/im_http.go
+++ b/server/im_http.go
@@ -8704,6 +8704,7 @@ func authenticateTopicReader(wrt http.ResponseWriter, req *http.Request, topic s
 		writeIMError(wrt, req, http.StatusBadRequest, 30000, imReasonMalformedRequest, "malformed request", map[string]any{"field": "topic"})
 		return nil, "", false
 	}
+	topic = normalizeConversationSettingsTopic(topic, principal.Uid)
 	sub, err := store.Subs.Get(principal.TenantID, topic, principal.Uid, false)
 	if err != nil {
 		writeIMRelationError(wrt, req, err)
diff --git a/server/im_http_test.go b/server/im_http_test.go
index 7a6143d..4f14cc6 100644
--- a/server/im_http_test.go
+++ b/server/im_http_test.go
@@ -5186,6 +5186,61 @@ func TestServeIMMessageSearchContextAndMedia(t *testing.T) {
 	}
 }
 
+func TestServeIMTopicReadActionsNormalizeP2PUserTopic(t *testing.T) {
+	ctrl := gomock.NewController(t)
+	defer ctrl.Finish()
+	actor := types.Uid(42)
+	peer := types.Uid(43)
+	normalizedTopic := actor.P2PName(peer)
+	oldStore := store.Store
+	mockStore := mock_store.NewMockPersistentStorageInterface(ctrl)
+	tokenAuth := mock_auth.NewMockAuthHandler(ctrl)
+	mockStore.EXPECT().GetLogicalAuthHandler("token").Return(tokenAuth).Times(2)
+	tokenAuth.EXPECT().IsInitialized().Return(true).Times(2)
+	tokenAuth.EXPECT().Authenticate(auth.AuthContext{}, []byte("token-1")).
+		Return(&auth.Rec{TenantID: 7, Uid: actor, AuthLevel: auth.LevelAuth}, nil, nil).Times(2)
+	store.Store = mockStore
+	oldSubs := store.Subs
+	oldMessages := store.Messages
+	subs := mock_store.NewMockSubsPersistenceInterface(ctrl)
+	messages := mock_store.NewMockMessagesPersistenceInterface(ctrl)
+	store.Subs = subs
+	store.Messages = messages
+	defer func() {
+		store.Store = oldStore
+		store.Subs = oldSubs
+		store.Messages = oldMessages
+	}()
+
+	subs.EXPECT().Get(types.TenantID(7), normalizedTopic, actor, false).Return(&types.Subscription{
+		TenantID:  7,
+		User:      actor.String(),
+		Topic:     normalizedTopic,
+		ModeWant:  types.ModeCPublic,
+		ModeGiven: types.ModeCPublic,
+	}, nil).Times(2)
+	textMsg := types.Message{TenantID: 7, SeqId: 9, Topic: normalizedTopic, From: actor.String(), Head: types.KVMap{"type": "text"}, Content: map[string]any{"text": "好的"}}
+	imageMsg := types.Message{TenantID: 7, SeqId: 10, Topic: normalizedTopic, From: actor.String(), Head: types.KVMap{"type": "image"}, Content: map[string]any{"file_id": "file-1", "mime": "image/png"}}
+	messages.EXPECT().Search(types.TenantID(7), normalizedTopic, actor, "好的", "text", "", 50).Return([]types.Message{textMsg}, "", nil)
+	messages.EXPECT().Search(types.TenantID(7), normalizedTopic, actor, "", "image", "", 50).Return([]types.Message{imageMsg}, "", nil)
+
+	searchReq := httptest.NewRequest(http.MethodGet, "/v1/im/topics/"+peer.UserId()+"/messages/search?q=%E5%A5%BD%E7%9A%84&type=text", nil)
+	searchReq.Header.Set("Authorization", "Bearer token-1")
+	searchRec := httptest.NewRecorder()
+	serveIMTopicMessageAction(searchRec, searchReq)
+	if searchRec.Code != http.StatusOK {
+		t.Fatalf("search status: got %d body=%s", searchRec.Code, searchRec.Body.String())
+	}
+
+	mediaReq := httptest.NewRequest(http.MethodGet, "/v1/im/topics/"+peer.UserId()+"/media?type=image", nil)
+	mediaReq.Header.Set("Authorization", "Bearer token-1")
+	mediaRec := httptest.NewRecorder()
+	serveIMTopicMessageAction(mediaRec, mediaReq)
+	if mediaRec.Code != http.StatusOK {
+		t.Fatalf("media status: got %d body=%s", mediaRec.Code, mediaRec.Body.String())
+	}
+}
+
 func TestServeIMTopicCalls(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()