diff --git a/README.md b/README.md
index b23c6b8..a629b3b 100644
--- a/README.md
+++ b/README.md
@@ -25,13 +25,16 @@ flowchart TD
GW[Gateway
Auth 鉴权
Rate Limit 限流]
FB[Fluent Bit]
- SDK -->|logs / Prometheus remote_write metrics + token| GW
- GW -->|logs / metrics| FB
+ SDK -->|OTLP logs / Prometheus remote_write metrics / OTLP trace + token| GW
+ GW -->|logs / metrics / trace| FB
+
+ BK[Backend] -->|trace| FB
FB -->|logs| VL[VictoriaLogs cluster]
-
FB -->|metrics remote_write| VM[VictoriaMetrics]
- VM -->|query| GF[Grafana]
+ FB -->|trace| VT[VictoriaTraces]
+ VM -->|query| GF[Grafana]
VL -->|query| GF
+ VT -->|jaeger query| GF
```