diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index afc79438c..8374309c5 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.29.43",
+    "version": "2.29.44",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/lib/testdataConfig.ts b/packages/hydrooj/src/lib/testdataConfig.ts
index d0f49f41a..1ca1ed86f 100644
--- a/packages/hydrooj/src/lib/testdataConfig.ts
+++ b/packages/hydrooj/src/lib/testdataConfig.ts
@@ -36,6 +36,10 @@ export async function parseConfig(config: string | ProblemConfigFile = {}) {
         result.timeMax = result.timeMin = 1000;
     }
     if (cfg.langs) result.langs = cfg.langs;
+    if (cfg.filename && result.type === 'default') {
+        result.type = 'fileio';
+        result.subType = cfg.filename;
+    }
     return result;
 }
 
diff --git a/packages/ui-default/locales/en.yaml b/packages/ui-default/locales/en.yaml
index 80d50d12a..babb14e35 100644
--- a/packages/ui-default/locales/en.yaml
+++ b/packages/ui-default/locales/en.yaml
@@ -25,6 +25,7 @@ problem_solution: Problem Solution
 problem_statistics: Problem Statistics
 problem_submit: Problem Submit
 problem_type.default: 'Type: Default'
+problem_type.fileio: 'Type: FileIO ({0})'
 problem_type.interactive: 'Type: Interactive'
 problem_type.remote_judge: 'Type: RemoteJudge'
 problem_type.subjective: 'Type: Subjective'
diff --git a/packages/ui-default/locales/zh.yaml b/packages/ui-default/locales/zh.yaml
index 7cfe172b5..08e1195c7 100644
--- a/packages/ui-default/locales/zh.yaml
+++ b/packages/ui-default/locales/zh.yaml
@@ -555,6 +555,7 @@ problem_solution: 题解
 problem_statistics: 题目统计
 problem_submit: 递交代码
 problem_type.default: 传统题
+problem_type.fileio: '文件IO ({0})'
 problem_type.interactive: 交互题
 problem_type.remote_judge: 远端评测题
 problem_type.subjective: 客观题
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index be1bfb187..07ea1c1c6 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.13.9",
+  "version": "4.13.10",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",
diff --git a/packages/ui-default/templates/problem_detail.html b/packages/ui-default/templates/problem_detail.html
index 25c7e0c40..78d999927 100644
--- a/packages/ui-default/templates/problem_detail.html
+++ b/packages/ui-default/templates/problem_detail.html
@@ -40,7 +40,7 @@
       <div class="section__body">
         <ul class="problem__tags">
           <span class="bp3-tag bp3-large bp3-minimal problem__tag-item">{{ _('ID') }}: {{ pdoc.docId }}</span>
-          <span class="bp3-tag bp3-large bp3-minimal problem__tag-item bp3-icon-standard bp3-icon-book">{{ _('problem_type.' + pdoc.config.type) }}</span>
+          <span class="bp3-tag bp3-large bp3-minimal problem__tag-item bp3-icon-standard bp3-icon-book">{{ _('problem_type.' + pdoc.config.type).format(pdoc.config.subType) }}</span>
           {% if pdoc.config.type != 'subjective' and pdoc.config.type != 'submit_answer' %}
             <span class="bp3-tag bp3-large bp3-minimal problem__tag-item bp3-icon-standard bp3-icon-stopwatch">{{ pdoc.config.timeMax if pdoc.config.timeMax == pdoc.config.timeMin else pdoc.config.timeMin+'~'+pdoc.config.timeMax }}ms</span>
             <span class="bp3-tag bp3-large bp3-minimal problem__tag-item bp3-icon-standard bp3-icon-comparison">{{ pdoc.config.memoryMax if pdoc.config.memoryMax == pdoc.config.memoryMin else pdoc.config.memoryMin+'~'+pdoc.config.memoryMax }}MiB</span>