diff --git a/client/ui/routers/UserOrChatInfoDialog.tsx b/client/ui/routers/UserOrChatInfoDialog.tsx
new file mode 100644
index 0000000..2cccd15
--- /dev/null
+++ b/client/ui/routers/UserOrChatInfoDialog.tsx
@@ -0,0 +1,46 @@
+import { dialog } from "mdui"
+import useRouterDialogRef from "./useRouterDialogRef"
+import { BlockerFunction, useBlocker, useLocation, useNavigate, useParams, useSearchParams } from "react-router"
+import useAsyncEffect from "../../utils/useAsyncEffect"
+import { CallbackError, Chat } from "lingchair-client-protocol"
+import showSnackbar from "../../utils/showSnackbar"
+import getClient from "../../getClient"
+import Avatar from "../Avatar"
+import { useContextSelector } from "use-context-selector"
+import MainSharedContext, { Shared } from "../MainSharedContext"
+import * as React from 'react'
+
+export default function UserOrChatInfoDialog() {
+    const shared = useContextSelector(MainSharedContext, (context: Shared) => ({
+        myProfileCache: context.myProfileCache,
+        favouriteChats: context.favouriteChats,
+    }))
+
+    const dialogRef = useRouterDialogRef()
+
+    const location = useLocation()
+    const searchParams = useSearchParams()
+    const params = useParams()
+
+    return (
+        <mdui-dialog close-on-overlay-click close-on-esc ref={dialogRef}>
+            <span style={{
+                wordBreak: "break-word",
+            }} dangerouslySetInnerHTML={{
+                __html: "↓ searchParams<br><br>"
+                    + Object.keys(location)
+                        // @ts-ignore 懒
+                        .map((k) => `${k} = ${location[k]}`)
+                        .join('<br><br>')
+                    + "<br><br>↓ searchParams<br><br>" + Object.keys(searchParams)
+                        // @ts-ignore 懒
+                        .map((k) => `${k} = ${searchParams[k]}`)
+                        .join('<br><br>')
+                    + "<br><br>↓ params<br><br>" + Object.keys(params)
+                        // @ts-ignore 懒
+                        .map((k) => `${k} = ${params[k]}`)
+                        .join('<br><br>')
+            }}></span>
+        </mdui-dialog>
+    )
+}