diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 40dcd304e..556d0c6c9 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.23.25",
+    "version": "2.23.26",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/service/db.ts b/packages/hydrooj/src/service/db.ts
index fb4fd2689..988217673 100644
--- a/packages/hydrooj/src/service/db.ts
+++ b/packages/hydrooj/src/service/db.ts
@@ -23,7 +23,7 @@ class MongoService implements BaseService {
 
     static buildUrl(opts: MongoConfig) {
         let mongourl = `${opts.protocol || 'mongodb'}://`;
-        if (opts.username) mongourl += `${opts.username}:${opts.password}@`;
+        if (opts.username) mongourl += `${opts.username}:${encodeURIComponent(opts.password)}@`;
         mongourl += `${opts.host}:${opts.port}/${opts.name}`;
         if (opts.url) mongourl = opts.url;
         return mongourl;