diff --git a/packages/hydrooj/src/upgrade.ts b/packages/hydrooj/src/upgrade.ts
index 2bbe6ff6..81614060 100644
--- a/packages/hydrooj/src/upgrade.ts
+++ b/packages/hydrooj/src/upgrade.ts
@@ -767,15 +767,14 @@ const scripts: UpgradeScript[] = [
                                 if (typeof langs[lang] !== 'string') continue;
                                 langs[lang] = processSingleLanguage(langs[lang]);
                             }
-                            delete config.outputs;
                             await problem.edit(ddoc._id, pdoc.docId, { content: JSON.stringify(langs) });
                         }
                     } catch (e) {
                         const content = processSingleLanguage(pdoc.content);
-                        delete config.outputs;
                         await problem.edit(ddoc._id, pdoc.docId, { content });
                     }
                     uids.add(pdoc.owner);
+                    delete config.outputs;
                     await problem.addTestdata(ddoc._id, pdoc.docId, 'config.yaml', Buffer.from(yaml.dump(config)));
                 } catch (e) { console.error(e); }
             }
diff --git a/packages/ui-default/components/objective-question/index.jsx b/packages/ui-default/components/objective-question/index.jsx
deleted file mode 100644
index c810c25a..00000000
--- a/packages/ui-default/components/objective-question/index.jsx
+++ /dev/null
@@ -1,83 +0,0 @@
-import React from 'react';
-import { sortBy } from 'lodash';
-import request from 'vj/utils/request';
-import Notification from 'vj/components/notification';
-
-export default class ObjectiveContainer extends React.PureComponent {
-  constructor(args) {
-    super(args);
-    this.state = {};
-    this.onChange = this.onChange.bind(this);
-    this.onSubmit = this.onSubmit.bind(this);
-  }
-
-  onChange(ev) {
-    this.setState({ [ev.target.name]: ev.target.value });
-  }
-
-  onSubmit(ev) {
-    ev.preventDefault();
-    const entries = sortBy(Object.entries(this.state).map((i) => [+i[0], i[1]]));
-    const total = entries[entries.length - 1][0];
-    const ans = new Array(total).fill('');
-    entries.forEach((i) => ans[i[0]] = i[1]); // eslint-disable-line
-    request
-      .post(this.props.target, {
-        lang: '_',
-        code: ans.join('\n'),
-      })
-      .then((res) => {
-        window.location.href = res.url;
-      })
-      .catch((e) => {
-        Notification.error(e.message);
-      });
-  }
-
-  Textbox(args, name) {
-    return (
-      <label htmlFor={`textbox${name}`}>
-        {name + 1}. {args.desc.split('\n').map((i, index) => {
-          if (index) return <><br />{i}</>;
-          return i;
-        })}
-        <div name={`form_item_${name}`} className="textbox-container">
-          <input type="text" name={name} id={`textbox${name}`} className="textbox" onChange={this.onChange}></input>
-        </div>
-      </label>
-    );
-  }
-
-  Radio(args, name) {
-    return (
-      <>
-        {name + 1}. {args.desc.split('\n').map((i, index) => {
-          if (index) return <><br />{i}</>;
-          return i;
-        })}
-        {args.choices.map((i) => (
-          <label className="radiobox" htmlFor={`radio${name}${i}`} key={i}>
-            <input type="radio" name={name} id={`radio${name}${i}`} value={i} onChange={this.onChange} /> {i} <br />
-          </label>
-        ))}
-      </>
-    );
-  }
-
-  render() {
-    return (
-      <form onSubmit={this.onSubmit}>
-        {this.props.panel.map((i, name) => (
-          <div className="row" key={i}>
-            <div className="medium-7 columns form__item end">
-              {i.choices ? this.Radio(i, name) : this.Textbox(i, name)}
-            </div>
-          </div>
-        ))}
-        {document.getElementsByClassName('nav__item--round').length
-          ? <input type="submit" disabled className="button rounded primary" value="登录后提交" />
-          : <input type="submit" className="button rounded primary" value="提交" />}
-      </form>
-    );
-  }
-}