diff --git a/packages/ui-default/components/problemconfig/ProblemConfigTree.tsx b/packages/ui-default/components/problemconfig/ProblemConfigTree.tsx
index 5d39dc2a4..34a755897 100644
--- a/packages/ui-default/components/problemconfig/ProblemConfigTree.tsx
+++ b/packages/ui-default/components/problemconfig/ProblemConfigTree.tsx
@@ -111,11 +111,16 @@ export function SubtaskConfigTree() {
   const store = useStore<RootState>();
   function autoConfigure() {
     const state = store.getState();
-    const subtasks = readSubtasksFromFiles(state.testdata, state.config);
+    const subtasks = readSubtasksFromFiles(state.testdata.map((t) => t.name), state.config);
+    const cases = subtasks.reduce((a, b) => a.concat(b.cases), []);
     dispatch({
       type: 'CONFIG_AUTOCASES_UPDATE',
       subtasks: normalizeSubtasks(subtasks, (i) => i, state.config.time, state.config.memory, true),
     });
+    dispatch({
+      type: 'problemconfig/delTestcases',
+      cases,
+    });
   }
   return (
     <div className="bp4-tree">
diff --git a/packages/ui-default/components/problemconfig/reducer/config.ts b/packages/ui-default/components/problemconfig/reducer/config.ts
index 9849568e8..5d42ad6cb 100644
--- a/packages/ui-default/components/problemconfig/reducer/config.ts
+++ b/packages/ui-default/components/problemconfig/reducer/config.ts
@@ -161,6 +161,10 @@ export default function reducer(state = {
       }
       return { ...state, subtasks, __cases };
     }
+    case 'problemconfig/delTestcases': {
+      const testcases = action.cases;
+      return { ...state, __cases: state.__cases.filter((i) => !testcases.find((j) => i.input === j.input && i.output === j.output)) };
+    }
     case 'problemconfig/deleteSubtask': {
       const subtasks = state.subtasks.filter((i) => i.id !== action.id);
       return { ...state, subtasks };
diff --git a/packages/ui-default/components/problemconfig/tree/SubtaskSettings.tsx b/packages/ui-default/components/problemconfig/tree/SubtaskSettings.tsx
index 0abc4a475..f5781a9ae 100644
--- a/packages/ui-default/components/problemconfig/tree/SubtaskSettings.tsx
+++ b/packages/ui-default/components/problemconfig/tree/SubtaskSettings.tsx
@@ -124,6 +124,8 @@ export function SubtaskSettings(props: SubtaskSettingsProps) {
     <li className="bp4-tree-node">
       <div className="bp4-tree-node-content">
         <span className="bp4-tree-node-caret-none bp4-icon-standard"></span>
+        <Icon icon="asterisk" />
+        &nbsp;&nbsp;
         <span className="bp4-tree-node-label">{i18n('Scoring method')}</span>
         <span className="bp4-tree-node-secondary-label">
           <select className="compact select" value={ctype} onChange={(e) => setType(e.target.value)}>
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index c0a523c10..6131d5870 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.48.3",
+  "version": "4.48.4",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "index.ts",
diff --git a/packages/utils/lib/common.ts b/packages/utils/lib/common.ts
index 6f833687a..a25f44bd6 100644
--- a/packages/utils/lib/common.ts
+++ b/packages/utils/lib/common.ts
@@ -248,7 +248,7 @@ const SubtaskMatcher: MatchRule[] = [
             (a) => (a[1].includes('input') ? `${a[1] + a[2]}.txt`.replace(/input/g, 'output') : null),
         ],
         id: (a) => +a[2],
-        subtask: () => 0,
+        subtask: () => 1,
         preferredScorerType: 'sum',
     },
     {
@@ -258,7 +258,7 @@ const SubtaskMatcher: MatchRule[] = [
             (a) => `${a[1]}.ou${a[2]}`.replace(/input/g, 'output'),
         ],
         id: (a) => +a[2],
-        subtask: () => 0,
+        subtask: () => 1,
         preferredScorerType: 'sum',
     },
     {