core: fix user cache

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.32.29",
+    "version": "2.32.30",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/model/user.ts

@@ -35,7 +35,7 @@ export function deleteUserCache(udoc: User | Udoc | string | undefined | null, r
         return;
     }
     const id = [`id/${udoc._id.toString()}`, `name/${udoc.uname.toLowerCase()}`, `mail/${udoc.mail.toLowerCase()}`];
-    for (const key of cache.keys().filter((k) => id.includes(k.split('/')[0]))) {
+    for (const key of cache.keys().filter((k) => id.includes(`${k.split('/')[0]}/${k.split('/')[1]}`))) {
         cache.del(key);
     }
 }