diff --git a/extensions/zalouser/src/channel.ts b/extensions/zalouser/src/channel.ts
index f0170af4aa1..b86b3ef8156 100644
--- a/extensions/zalouser/src/channel.ts
+++ b/extensions/zalouser/src/channel.ts
@@ -33,6 +33,7 @@ import { probeZalouser } from "./probe.js";
 import { writeQrDataUrlToTempFile } from "./qr-temp-file.js";
 import { getZalouserRuntime } from "./runtime.js";
 import { sendMessageZalouser, sendReactionZalouser } from "./send.js";
+import { resolveZalouserOutboundSessionRoute } from "./session-route.js";
 import { zalouserSetupAdapter } from "./setup-core.js";
 import { zalouserSetupWizard } from "./setup-surface.js";
 import { createZalouserPluginBase } from "./shared.js";
@@ -312,6 +313,7 @@ export const zalouserPlugin: ChannelPlugin<ResolvedZalouserAccount> = {
   actions: zalouserMessageActions,
   messaging: {
     normalizeTarget: (raw) => normalizePrefixedTarget(raw),
+    resolveOutboundSessionRoute: (params) => resolveZalouserOutboundSessionRoute(params),
     targetResolver: {
       looksLikeId: (raw) => {
         const normalized = normalizePrefixedTarget(raw);
diff --git a/extensions/zalouser/src/session-route.ts b/extensions/zalouser/src/session-route.ts
new file mode 100644
index 00000000000..c6a1761818d
--- /dev/null
+++ b/extensions/zalouser/src/session-route.ts
@@ -0,0 +1,70 @@
+import {
+  buildChannelOutboundSessionRoute,
+  type ChannelOutboundSessionRouteParams,
+} from "openclaw/plugin-sdk/core";
+
+function stripZalouserTargetPrefix(raw: string): string {
+  return raw
+    .trim()
+    .replace(/^(zalouser|zlu):/i, "")
+    .trim();
+}
+
+function normalizePrefixedTarget(raw: string): string | undefined {
+  const trimmed = stripZalouserTargetPrefix(raw);
+  if (!trimmed) {
+    return undefined;
+  }
+
+  const lower = trimmed.toLowerCase();
+  if (lower.startsWith("group:")) {
+    const id = trimmed.slice("group:".length).trim();
+    return id ? `group:${id}` : undefined;
+  }
+  if (lower.startsWith("g:")) {
+    const id = trimmed.slice("g:".length).trim();
+    return id ? `group:${id}` : undefined;
+  }
+  if (lower.startsWith("user:")) {
+    const id = trimmed.slice("user:".length).trim();
+    return id ? `user:${id}` : undefined;
+  }
+  if (lower.startsWith("dm:")) {
+    const id = trimmed.slice("dm:".length).trim();
+    return id ? `user:${id}` : undefined;
+  }
+  if (lower.startsWith("u:")) {
+    const id = trimmed.slice("u:".length).trim();
+    return id ? `user:${id}` : undefined;
+  }
+  if (/^g-\S+$/i.test(trimmed)) {
+    return `group:${trimmed}`;
+  }
+  if (/^u-\S+$/i.test(trimmed)) {
+    return `user:${trimmed}`;
+  }
+
+  return trimmed;
+}
+
+export function resolveZalouserOutboundSessionRoute(params: ChannelOutboundSessionRouteParams) {
+  const normalized = normalizePrefixedTarget(params.target);
+  if (!normalized) {
+    return null;
+  }
+  const isGroup = normalized.toLowerCase().startsWith("group:");
+  const peerId = normalized.replace(/^(group|user):/i, "").trim();
+  return buildChannelOutboundSessionRoute({
+    cfg: params.cfg,
+    agentId: params.agentId,
+    channel: "zalouser",
+    accountId: params.accountId,
+    peer: {
+      kind: isGroup ? "group" : "direct",
+      id: peerId,
+    },
+    chatType: isGroup ? "group" : "direct",
+    from: isGroup ? `zalouser:group:${peerId}` : `zalouser:${peerId}`,
+    to: `zalouser:${peerId}`,
+  });
+}