diff --git a/ingest-core/src/main/java/com/lingniu/ingest/core/dispatcher/Dispatcher.java b/ingest-core/src/main/java/com/lingniu/ingest/core/dispatcher/Dispatcher.java
index 720467bd..e4ac4dd9 100644
--- a/ingest-core/src/main/java/com/lingniu/ingest/core/dispatcher/Dispatcher.java
+++ b/ingest-core/src/main/java/com/lingniu/ingest/core/dispatcher/Dispatcher.java
@@ -9,7 +9,9 @@ import com.lingniu.ingest.core.pipeline.InterceptorChain;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.time.Instant;
 import java.util.List;
+import java.util.Map;
 import java.util.UUID;
 
 /**
@@ -46,6 +48,10 @@ public final class Dispatcher {
     public void dispatch(RawFrame frame) {
         IngestContext ctx = new IngestContext(UUID.randomUUID().toString());
         try {
+            // 在 interceptor 之前发 RawArchive，保证原始字节被无条件落盘（dedup/rate-limit
+            // 不会过滤它），满足"原始可回放"目标。archive 的写盘靠下游 ArchiveEventSink 消费。
+            emitRawArchive(frame, ctx);
+
             if (!interceptors.before(frame, ctx)) {
                 log.debug("frame aborted: {}", ctx.abortReason());
                 return;
@@ -76,4 +82,33 @@ public final class Dispatcher {
             interceptors.onError(t, ctx);
         }
     }
+
+    /**
+     * 从 {@link RawFrame} 构造一条 {@link VehicleEvent.RawArchive} 发到 EventBus。
+     * 仅在 {@code rawBytes} 非空时发——有些入站适配器（未来）可能只传解析后的对象。
+     *
+     * <p>VIN 取自 sourceMeta 里的 {@code vin} key（由各入站适配器负责填充）；缺失时
+     * 留空字符串，archive sink 会用 "unknown-vin" 占位保证 key 可解析。
+     */
+    private void emitRawArchive(RawFrame frame, IngestContext ctx) {
+        byte[] bytes = frame.rawBytes();
+        if (bytes == null || bytes.length == 0) return;
+
+        Map<String, String> meta = frame.sourceMeta() == null ? Map.of() : frame.sourceMeta();
+        String vin = meta.getOrDefault("vin", "");
+        Instant ingestTime = frame.receivedAt() != null ? frame.receivedAt() : Instant.now();
+
+        VehicleEvent.RawArchive raw = new VehicleEvent.RawArchive(
+                UUID.randomUUID().toString(),
+                vin,
+                frame.protocolId(),
+                ingestTime,
+                ingestTime,
+                ctx.traceId(),
+                meta,
+                frame.command(),
+                frame.infoType(),
+                bytes);
+        eventBus.publish(raw);
+    }
 }