diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index 129ddd887..a80f2a6cd 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "3.1.1",
+    "version": "3.1.2",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 7291d349e..72983468d 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "4.2.3",
+    "version": "4.2.4",
     "bin": "bin/hydrooj.js",
     "main": "src/plugin-api",
     "module": "src/plugin-api",
diff --git a/packages/hydrooj/src/model/record.ts b/packages/hydrooj/src/model/record.ts
index bb1ab8627..199fc88c5 100644
--- a/packages/hydrooj/src/model/record.ts
+++ b/packages/hydrooj/src/model/record.ts
@@ -82,7 +82,7 @@ export default class RecordModel {
             source = `${pdoc.domainId}/${pdoc.docId}`;
             data = pdoc.data;
             if (typeof pdoc.config === 'string') throw new Error(pdoc.config);
-            if (pdoc.config.type === 'remote_judge') {
+            if (pdoc.config.type === 'remote_judge' && rdoc.contest?.toHexString() !== '0'.repeat(24)) {
                 await task.deleteMany({ rid: { $in: rids } });
                 return await task.addMany(rids.map((rid) => ({
                     ...(pdoc.config as any),
diff --git a/packages/ui-default/backendlib/markdown-it-media.ts b/packages/ui-default/backendlib/markdown-it-media.ts
index 3c7efffca..e9b68526a 100644
--- a/packages/ui-default/backendlib/markdown-it-media.ts
+++ b/packages/ui-default/backendlib/markdown-it-media.ts
@@ -109,7 +109,7 @@ export function Media(md: MarkdownIt) {
       `;
     }
     if (service === 'pdf') {
-      if (src.startsWith('file://')) src += src.includes('?') ? '&noDisposition=1' : '?noDisposition=1';
+      if (src.startsWith('file://') || src.startsWith('./')) src += src.includes('?') ? '&noDisposition=1' : '?noDisposition=1';
       return `\
         <object classid="clsid:${randomUUID().toUpperCase()}">
           <param name="SRC" value="${src}" >
diff --git a/packages/vjudge/package.json b/packages/vjudge/package.json
index 28f979a49..e3a76fc61 100644
--- a/packages/vjudge/package.json
+++ b/packages/vjudge/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/vjudge",
-    "version": "1.6.2",
+    "version": "1.6.3",
     "description": "Submit problems to remote oj",
     "main": "package.json",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/vjudge/src/providers/luogu.ts b/packages/vjudge/src/providers/luogu.ts
index f067665d5..37f0c0cae 100644
--- a/packages/vjudge/src/providers/luogu.ts
+++ b/packages/vjudge/src/providers/luogu.ts
@@ -36,7 +36,7 @@ const UA = [
 export default class LuoguProvider implements IBasicProvider {
     constructor(public account: RemoteAccount, private save: (data: any) => Promise<void>) {
         if (account.cookie) this.cookie = account.cookie;
-        setInterval(() => this.getCsrfToken('/'), 5 * 60 * 1000);
+        setInterval(() => this.getCsrfToken('/user/setting'), 5 * 60 * 1000);
     }
 
     cookie: string[] = [];
@@ -78,7 +78,7 @@ export default class LuoguProvider implements IBasicProvider {
 
     async ensureLogin() {
         if (await this.loggedIn) {
-            await this.getCsrfToken('/');
+            await this.getCsrfToken('/user/setting');
             return true;
         }
         logger.info('retry login');