diff --git a/extensions/tencent/onboard.ts b/extensions/tencent/onboard.ts
index 650b91591ce0..d241896f6a76 100644
--- a/extensions/tencent/onboard.ts
+++ b/extensions/tencent/onboard.ts
@@ -18,7 +18,7 @@ import {
 // ---------- TokenHub ----------
 
 export const TOKENHUB_DEFAULT_MODEL_REF = `${TOKENHUB_PROVIDER_ID}/hy3`;
-export const TOKENHUB_PREVIEW_MODEL_REF = `${TOKENHUB_PROVIDER_ID}/hy3-preview`;
+const TOKENHUB_PREVIEW_MODEL_REF = `${TOKENHUB_PROVIDER_ID}/hy3-preview`;
 
 function applyTokenHubProviderConfig(cfg: OpenClawConfig): OpenClawConfig {
   const models = { ...cfg.agents?.defaults?.models };