judge: enhance readCases

packages/hydrojudge/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.5.19",
+    "version": "2.5.20",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",

packages/hydrojudge/src/cases.ts

@@ -219,7 +219,7 @@ export default async function readCases(folder: string, cfg: Record<string, any>
     let auto = !result.outputs?.length;
     if (!result.subtasks.length) {
         auto = !Math.sum(result.subtasks.map((subtask) => subtask.cases.length));
-    }
+    } else auto = false;
     if (auto) {
         const c = await readAutoCases(folder, args, config, result);
         result.subtasks = c.subtasks;