diff --git a/models/file.js b/models/file.js
index 2cc7b53..97244ff 100644
--- a/models/file.js
+++ b/models/file.js
@@ -56,12 +56,12 @@ class File extends Model {
     return syzoj.utils.resolvePath(syzoj.config.upload_dir, type, md5);
   }
 
-  static async upload(path, type) {
+  static async upload(path, type, noLimit) {
     let fs = Promise.promisifyAll(require('fs-extra'));
 
     let buf = await fs.readFileAsync(path);
 
-    if (buf.length > syzoj.config.limit.data_size) throw new ErrorMessage('数据包太大。');
+    if (!noLimit && buf.length > syzoj.config.limit.data_size) throw new ErrorMessage('数据包太大。');
 
     try {
       let AdmZip = require('adm-zip');
diff --git a/models/problem.js b/models/problem.js
index 5517fe9..38b8829 100644
--- a/models/problem.js
+++ b/models/problem.js
@@ -318,13 +318,13 @@ class Problem extends Model {
     return syzoj.utils.resolvePath(syzoj.config.upload_dir, 'testdata', this.id.toString());
   }
 
-  async updateTestdata(path) {
+  async updateTestdata(path, noLimit) {
     let AdmZip = require('adm-zip');
     let zip = new AdmZip(path);
 
     let unzipSize = 0;
     for (let x of zip.getEntries()) unzipSize += x.header.size;
-    if (unzipSize > syzoj.config.limit.testdata) throw new ErrorMessage('数据包太大。');
+    if (!noLimit && unzipSize > syzoj.config.limit.testdata) throw new ErrorMessage('数据包太大。');
 
     let dir = this.getTestdataPath();
     let fs = Promise.promisifyAll(require('fs-extra'));
@@ -346,7 +346,7 @@ class Problem extends Model {
       for (let file of list.files) if (file.filename !== filename) oldSize += file.size;
     }
 
-    if (oldSize + size > syzoj.config.limit.testdata) throw new ErrorMessage('数据包太大。');
+    if (!noLimit && oldSize + size > syzoj.config.limit.testdata) throw new ErrorMessage('数据包太大。');
 
     await fs.moveAsync(filepath, path.join(dir, filename), { overwrite: true });
     await fs.removeAsync(dir + '.zip');
@@ -424,8 +424,8 @@ class Problem extends Model {
     }
   }
 
-  async updateFile(path, type) {
-    let file = await File.upload(path, type);
+  async updateFile(path, type, noLimit) {
+    let file = await File.upload(path, type, noLimit);
 
     if (type === 'additional_file') {
       this.additional_file_id = file.id;
diff --git a/modules/problem.js b/modules/problem.js
index 7847eee..a149fce 100644
--- a/modules/problem.js
+++ b/modules/problem.js
@@ -436,7 +436,7 @@ app.post('/problem/:id/import', async (req, res) => {
     try {
       let data = await download(req.body.url + (req.body.url.endsWith('/') ? 'testdata/download' : '/testdata/download'));
       await fs.writeFileAsync(tmpFile.path, data);
-      await problem.updateTestdata(tmpFile.path);
+      await problem.updateTestdata(tmpFile.path, await res.locals.user.hasPrivilege('manage_problem'));
     } catch (e) {
       syzoj.log(e);
     }
@@ -506,11 +506,11 @@ app.post('/problem/:id/manage', app.multer.fields([{ name: 'testdata', maxCount:
     if (validateMsg) throw new ErrorMessage('无效的题目数据配置。', null, validateMsg);
 
     if (req.files['testdata']) {
-      await problem.updateTestdata(req.files['testdata'][0].path);
+      await problem.updateTestdata(req.files['testdata'][0].path, await res.locals.user.hasPrivilege('manage_problem'));
     }
 
     if (req.files['additional_file']) {
-      await problem.updateFile(req.files['additional_file'][0].path, 'additional_file');
+      await problem.updateFile(req.files['additional_file'][0].path, 'additional_file', await res.locals.user.hasPrivilege('manage_problem'));
     }
 
     await problem.save();
@@ -673,7 +673,7 @@ app.post('/problem/:id/testdata/upload', app.multer.array('file'), async (req, r
 
     if (req.files) {
       for (let file of req.files) {
-        await problem.uploadTestdataSingleFile(file.originalname, file.path, file.size);
+        await problem.uploadTestdataSingleFile(file.originalname, file.path, file.size, await res.locals.user.hasPrivilege('manage_problem'));
       }
     }