diff --git a/docs/token统计方案.md b/docs/token统计方案.md
index e8ed92a..b7a501a 100644
--- a/docs/token统计方案.md
+++ b/docs/token统计方案.md
@@ -678,7 +678,7 @@ EVOSCIENTIST_DATA_DIR=<absolute-shared-data-dir>
 EVOSCIENTIST_USAGE_TRACKING=true
 EVOSCIENTIST_USAGE_SINK_URL=http://127.0.0.1:<webui-port>/api/usage/events
 EVOSCIENTIST_USAGE_SINK_TOKEN=<server-only-secret>
-EVOSCIENTIST_DEPLOYMENT_ID=<stable-backend-uuid>
+EVOSCIENTIST_USAGE_DEPLOYMENT_ID=<stable-backend-uuid>
 EVOSCIENTIST_WORKSPACE_ID=<stable-workspace-id>
 EVOSCIENTIST_USAGE_SPOOL_DIR=<data_dir>/usage-spool
 ```