diff --git a/backend/platform-bridge/cmd/main.go b/backend/platform-bridge/cmd/main.go
index b788a0e..015947a 100644
--- a/backend/platform-bridge/cmd/main.go
+++ b/backend/platform-bridge/cmd/main.go
@@ -281,6 +281,19 @@ func main() {
 	// Setup HTTP server.
 	mux := http.NewServeMux()
 	bh := handler.NewBridgeHandler(router)
+	bh.SetLogFunc(func(platform, channelID, senderID, content string, success bool) {
+		msgLogger.Log(logging.LogEntry{
+			Timestamp:  time.Now(),
+			Direction:  "outgoing",
+			Platform:   platform,
+			ChannelID:  channelID,
+			SenderID:   senderID,
+			SenderName: "Cyrene",
+			Content:    content,
+			ContentType: "text",
+			Success:    success,
+		})
+	})
 	bh.RegisterRoutes(mux)
 	bh.StartChannelRefresh(10 * time.Minute)
 
diff --git a/backend/platform-bridge/internal/handler/bridge_handler.go b/backend/platform-bridge/internal/handler/bridge_handler.go
index 3d26837..1db4e9e 100644
--- a/backend/platform-bridge/internal/handler/bridge_handler.go
+++ b/backend/platform-bridge/internal/handler/bridge_handler.go
@@ -18,6 +18,7 @@ type BridgeHandler struct {
 	internalToken  string
 	channelsMu     sync.RWMutex
 	cachedChannels []bridge.ChannelInfo
+	logFn          func(platform, channelID, senderID, content string, success bool) // outgoing message logger
 }
 
 func NewBridgeHandler(router *bridge.PlatformRouter) *BridgeHandler {
@@ -27,6 +28,11 @@ func NewBridgeHandler(router *bridge.PlatformRouter) *BridgeHandler {
 	}
 }
 
+// SetLogFunc sets the outgoing message logger callback.
+func (h *BridgeHandler) SetLogFunc(fn func(platform, channelID, senderID, content string, success bool)) {
+	h.logFn = fn
+}
+
 func (h *BridgeHandler) RegisterRoutes(mux *http.ServeMux) {
 	mux.HandleFunc("/health", h.health)
 	mux.HandleFunc("/api/v1/platforms", h.listPlatforms)
@@ -220,6 +226,13 @@ func (h *BridgeHandler) sendProactive(w http.ResponseWriter, r *http.Request) {
 
 	log.Printf("[send-proactive] 已发送: adapter=%s chat=%s user=%d group=%d at=%s len=%d",
 		adapterName, msgType, userID, groupID, req.AtUserID, len(content))
+	if h.logFn != nil {
+		chID := req.GroupID
+		if msgType == "private" {
+			chID = req.UserID
+		}
+		h.logFn(req.Platform, chID, "Cyrene", content, true)
+	}
 	writeJSON(w, http.StatusOK, map[string]interface{}{
 		"success": true,
 		"message": "消息已发送",