docs: update deploy-with-docker.md (#2472)
diff --git a/docs/en/latest/deploy-with-docker.md b/docs/en/latest/deploy-with-docker.md
index 704d244..551eede 100644
--- a/docs/en/latest/deploy-with-docker.md
+++ b/docs/en/latest/deploy-with-docker.md
@@ -87,3 +87,5 @@
```sh
$ docker build -t apisix-dashboard:$tag . --no-cache=true
```
+
+2. It is not recommended to use multiple instances at the same time. When using multiple instances, each instance generates and holds a JWT token, which will lead to verification conflicts.
