diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 8ac025180..c2c37b1d9 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "4.0.13",
+    "version": "4.0.14",
     "bin": "bin/hydrooj.js",
     "main": "src/plugin-api",
     "module": "src/plugin-api",
diff --git a/packages/hydrooj/src/handler/problem.ts b/packages/hydrooj/src/handler/problem.ts
index b21cbf751..f02c8afed 100644
--- a/packages/hydrooj/src/handler/problem.ts
+++ b/packages/hydrooj/src/handler/problem.ts
@@ -399,9 +399,9 @@ export class ProblemDetailHandler extends ContestDetailBaseHandler {
                         const info = str.match(/="file:\/\/(.+?)"/);
                         return `="./${this.pdoc.docId}/file/${info[1]}${info[1].includes('?') ? '&' : '?'}tid=${args[1]}"`;
                     })
-                    .replace(/=\\"file:\/\/(.+?)"/g, (str) => {
+                    .replace(/=\\"file:\/\/(.+?)\\"/g, (str) => {
                         const info = str.match(/=\\"file:\/\/(.+?)"/);
-                        return `=\\"./${this.pdoc.docId}/file/${info[1]}${info[1].includes('?') ? '&' : '?'}tid=${args[1]}"`;
+                        return `=\\"./${this.pdoc.docId}/file/${info[1]}${info[1].includes('?') ? '&' : '?'}tid=${args[1]}\\"`;
                     });
             } else {
                 this.response.body.pdoc.content = this.response.body.pdoc.content