vjudge: codeforces: fix image

packages/vjudge/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/vjudge",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "description": "Submit problems to remote oj",
     "main": "package.json",
     "repository": "https://github.com/hydro-dev/Hydro.git",

packages/vjudge/src/providers/codeforces.ts

@@ -112,7 +112,7 @@ export default class CodeforcesProvider implements IBasicProvider {
             superagent.get(src).pipe(file);
             const fid = String.random(8);
             files[`${fid}.png`] = file;
-            ele.setAttribute('src', `%file%://${fid}.png`);
+            ele.setAttribute('src', `file://${fid}.png`);
         });
         const title = document.querySelector('.title').innerHTML.trim().split('. ')[1];
         const time = parseInt(document.querySelector('.time-limit').innerHTML.substr(53, 2), 10);