diff --git a/packages/common/types.ts b/packages/common/types.ts
index 1132b71ab7..4d123bd402 100644
--- a/packages/common/types.ts
+++ b/packages/common/types.ts
@@ -36,6 +36,8 @@ export interface SubtaskConfig {
     cases?: TestCaseConfig[];
 }
 
+export type DetailType = 'full' | 'case' | 'none';
+
 export interface ProblemConfigFile {
     type?: ProblemType;
     subType?: string;
@@ -48,7 +50,7 @@ export interface ProblemConfigFile {
     num_processes?: number;
     user_extra_files?: string[];
     judge_extra_files?: string[];
-    detail?: boolean;
+    detail?: DetailType | boolean;
     answers?: Record<string, [string | string[], number]>;
     redirect?: string;
     cases?: TestCaseConfig[];
diff --git a/packages/hydrojudge/src/cases.ts b/packages/hydrojudge/src/cases.ts
index 8c7e225a98..ce7cb39875 100644
--- a/packages/hydrojudge/src/cases.ts
+++ b/packages/hydrojudge/src/cases.ts
@@ -87,6 +87,9 @@ export default async function readCases(folder: string, cfg: ProblemConfigFile =
             throw new SystemError('Cannot parse testdata.', [e.message, ...(e.params || [])]);
         }
     }
+    if (result.detail === true) result.detail = 'full';
+    else if (result.detail === false) result.detail = 'case';
+    else result.detail ||= 'full';
     result.subtasks = normalizeSubtasks(result.subtasks || [], checkFile, config.time, config.memory, false, timeRate, memoryRate);
     if (result.key && args.key !== result.key) throw new FormatError('Incorrect secret key');
     if (!result.key && !args.trusted) isValidConfig(result);
diff --git a/packages/hydrojudge/src/checkers.ts b/packages/hydrojudge/src/checkers.ts
index a51fa1f2af..0e88325865 100644
--- a/packages/hydrojudge/src/checkers.ts
+++ b/packages/hydrojudge/src/checkers.ts
@@ -1,4 +1,4 @@
-import { STATUS } from '@hydrooj/common';
+import { DetailType, STATUS } from '@hydrooj/common';
 import { FormatError, SystemError } from './error';
 import { CopyInFile, runQueued } from './sandbox';
 import { parse } from './testlib';
@@ -12,7 +12,7 @@ export interface CheckConfig {
     code: CopyInFile;
     copyIn: Record<string, CopyInFile>;
     score: number;
-    detail: boolean;
+    detail: DetailType;
     env?: Record<string, string>;
 }
 
@@ -85,7 +85,7 @@ elif [ -n "$result" ]; then
 fi
 `;
 
-const getDefaultChecker = (strict: boolean) => async (config) => {
+const getDefaultChecker = (strict: boolean) => async (config: CheckConfig) => {
     const { code, stdout } = await runQueued(`/bin/bash compare.sh${strict ? '' : ' BZ'}`, {
         copyIn: {
             usrout: config.user_stdout,
@@ -102,7 +102,7 @@ const getDefaultChecker = (strict: boolean) => async (config) => {
         message = `Checker returned with status ${code}`;
     } else if (stdout) {
         status = STATUS.STATUS_WRONG_ANSWER;
-        if (config.detail && !strict) message = parseDiffMsg(stdout);
+        if (config.detail === 'full') message = parseDiffMsg(stdout);
     } else status = STATUS.STATUS_ACCEPTED;
     if (message.length > 1024000) message = '';
     return {
@@ -135,7 +135,7 @@ const checkers: Record<string, Checker> = new Proxy({
         return {
             status,
             score: status === STATUS.STATUS_ACCEPTED ? config.score : 0,
-            message: stdout,
+            message: config.detail === 'full' ? stdout : '',
         };
     },
 
@@ -168,7 +168,7 @@ const checkers: Record<string, Checker> = new Proxy({
         const score = Math.floor(+files.score) || 0;
         return {
             score,
-            message: files.message,
+            message: config.detail === 'full' ? files.message : '',
             status: score === config.score
                 ? STATUS.STATUS_ACCEPTED
                 : STATUS.STATUS_WRONG_ANSWER,
@@ -193,7 +193,7 @@ const checkers: Record<string, Checker> = new Proxy({
         return {
             status: st,
             score: (status === STATUS.STATUS_ACCEPTED) ? config.score : 0,
-            message: stdout,
+            message: config.detail === 'full' ? stdout : '',
         };
     },
 
@@ -219,7 +219,7 @@ const checkers: Record<string, Checker> = new Proxy({
         if (status !== STATUS.STATUS_ACCEPTED) throw new SystemError('Checker returned {0}.', [status]);
         const score = +stdout;
         status = score === 100 ? STATUS.STATUS_ACCEPTED : STATUS.STATUS_WRONG_ANSWER;
-        return { status, score: Math.floor((score * config.score) / 100), message: stderr };
+        return { status, score: Math.floor((score * config.score) / 100), message: config.detail === 'full' ? stderr : '' };
     },
 
     async testlib(config) {
@@ -252,7 +252,7 @@ const checkers: Record<string, Checker> = new Proxy({
                 message: `Checker exited with code ${code}`,
             };
         }
-        return parse(stderr, config.score);
+        return parse(stderr, config.score, config.detail);
     },
 
     // https://www.kattis.com/problem-package-format/spec/2023-07-draft.html#output-validator
@@ -285,7 +285,9 @@ const checkers: Record<string, Checker> = new Proxy({
 
         const message = status === STATUS.STATUS_SYSTEM_ERROR
             ? files['feedback_dir/judgeerror.txt'] || `Checker exited with code ${code}`
-            : files['feedback_dir/teammessage.txt'] || files['feedback_dir/judgemessage.txt'] || '';
+            : config.detail === 'full'
+                ? files['feedback_dir/teammessage.txt'] || files['feedback_dir/judgemessage.txt'] || ''
+                : '';
 
         return { status, score, message };
     },
diff --git a/packages/hydrojudge/src/config.ts b/packages/hydrojudge/src/config.ts
index b3d4d0c540..72a2f86158 100644
--- a/packages/hydrojudge/src/config.ts
+++ b/packages/hydrojudge/src/config.ts
@@ -32,7 +32,12 @@ export const JudgeSettings = Schema.object({
     host: Schema.any(),
     secret: Schema.string().description('Judge Token Secret').default(String.random(32)),
     disable: Schema.boolean().description('Disable builtin judge').default(false),
-    detail: Schema.boolean().description('Show diff detail').default(true),
+    detail: Schema.union([
+        Schema.const('full'),
+        Schema.const('case'),
+        Schema.const('none'),
+        Schema.transform(Schema.boolean(), (v) => (v ? 'full' : 'case')),
+    ]).description('Show diff detail').default('full'),
     performance: Schema.boolean().description('Performance mode').default(false),
 });
 
diff --git a/packages/hydrojudge/src/flow.ts b/packages/hydrojudge/src/flow.ts
index 8824346285..2ef44b7e3a 100644
--- a/packages/hydrojudge/src/flow.ts
+++ b/packages/hydrojudge/src/flow.ts
@@ -53,7 +53,9 @@ function judgeSubtask(subtask: NormalizedSubtask, sid: string, judgeCase: Task['
                     ctx.total_time += res.time;
                     ctx.total_memory = Math.max(ctx.total_memory, res.memory);
                 }
-                ctx.next({ ...res ? { case: res } : {}, addProgress: 100 / ctx.config.count });
+                if (ctx.config.detail !== 'none') {
+                    ctx.next({ ...res ? { case: res } : {}, addProgress: 100 / ctx.config.count });
+                }
             }));
         }
         try {
diff --git a/packages/hydrojudge/src/interface.ts b/packages/hydrojudge/src/interface.ts
index 1d2c48a5b2..e85bfd1bc3 100644
--- a/packages/hydrojudge/src/interface.ts
+++ b/packages/hydrojudge/src/interface.ts
@@ -1,5 +1,5 @@
 import {
-    JudgeResultBody, type LangConfig, NormalizedSubtask, ProblemConfigFile,
+    DetailType, JudgeResultBody, type LangConfig, NormalizedSubtask, ProblemConfigFile,
 } from '@hydrooj/common';
 import { CopyInFile } from './sandbox';
 import type { JudgeTask } from './task';
@@ -14,11 +14,12 @@ export interface Execute {
 
 export type NextFunction = (body: Partial<JudgeResultBody>) => Promise<void> | void;
 
-export interface ParsedConfig extends Omit<ProblemConfigFile, 'time' | 'memory' | 'subtasks'> {
+export interface ParsedConfig extends Omit<ProblemConfigFile, 'time' | 'memory' | 'subtasks' | 'detail'> {
     count: number;
     time: number;
     memory: number;
     subtasks: NormalizedSubtask[];
+    detail: DetailType;
 }
 
 export { JudgeRequest } from '@hydrooj/common';
@@ -28,5 +29,5 @@ export interface Session {
     getReporter: (task: JudgeTask) => { next: NextFunction, end: NextFunction };
     fetchFile: <T extends null | string>(namespace: T, files: Record<string, string>) => Promise<T extends null ? string : null>;
     postFile: (target: string, filename: string, file: string) => Promise<void>;
-    config: { detail: boolean, host?: string, trusted?: boolean };
+    config: { detail: DetailType, host?: string, trusted?: boolean };
 }
diff --git a/packages/hydrojudge/src/judge/communication.ts b/packages/hydrojudge/src/judge/communication.ts
index ebb7416d9e..c74bf4f0c3 100644
--- a/packages/hydrojudge/src/judge/communication.ts
+++ b/packages/hydrojudge/src/judge/communication.ts
@@ -46,7 +46,6 @@ function judgeCase(c: NormalizedCase) {
         let score = 0;
         let status = STATUS.STATUS_ACCEPTED;
         let message: any;
-        const detail = ctx.config.detail ?? true;
         for (let i = 0; i < ctx.config.num_processes; i++) {
             const result = res[i + 1];
             time += result.time;
@@ -55,7 +54,7 @@ function judgeCase(c: NormalizedCase) {
             else if (result.memory > c.memory * 1024) status = STATUS.STATUS_MEMORY_LIMIT_EXCEEDED;
             else if ((result.code && result.code !== 13 /* Broken Pipe */) || (result.code === 13 && !resManager.code)) {
                 status = STATUS.STATUS_RUNTIME_ERROR;
-                if (detail) {
+                if (ctx.config.detail === 'full') {
                     if (result.code < 32 && result.signalled) message = signals[result.code];
                     else message = { message: 'Your program returned {0}.', params: [result.code] };
                 }
diff --git a/packages/hydrojudge/src/judge/default.ts b/packages/hydrojudge/src/judge/default.ts
index 9eb25e38bb..31f60e279c 100644
--- a/packages/hydrojudge/src/judge/default.ts
+++ b/packages/hydrojudge/src/judge/default.ts
@@ -28,7 +28,6 @@ function judgeCase(c: NormalizedCase) {
         let { status } = res;
         let message: any = '';
         let score = 0;
-        const detail = ctx.config.detail ?? true;
         if (status === STATUS.STATUS_ACCEPTED) {
             if (time > c.time) {
                 status = STATUS.STATUS_TIME_LIMIT_EXCEEDED;
@@ -44,7 +43,7 @@ function judgeCase(c: NormalizedCase) {
                     user_stdout: fileIds.stdout ? { fileId: fileIds.stdout } : { content: '' },
                     user_stderr: fileIds.stderr ? { fileId: fileIds.stderr } : { content: '' },
                     score: c.score,
-                    detail,
+                    detail: ctx.config.detail,
                     env: {
                         ...ctx.env,
                         HYDRO_TESTCASE: c.id.toString(),
@@ -53,7 +52,7 @@ function judgeCase(c: NormalizedCase) {
                     },
                 }));
             }
-        } else if (status === STATUS.STATUS_RUNTIME_ERROR && code && detail) {
+        } else if (status === STATUS.STATUS_RUNTIME_ERROR && code && ctx.config.detail === 'full') {
             if (code < 32 && signalled) message = signals[code];
             else message = { message: 'Your program returned {0}.', params: [code] };
         }
diff --git a/packages/hydrojudge/src/judge/hack.ts b/packages/hydrojudge/src/judge/hack.ts
index 0cfe998265..504b652da9 100644
--- a/packages/hydrojudge/src/judge/hack.ts
+++ b/packages/hydrojudge/src/judge/hack.ts
@@ -66,7 +66,7 @@ export async function judge(ctx: Context) {
                 user_stderr: { fileId: res.fileIds.stderr },
                 code: ctx.code,
                 score: 100,
-                detail: ctx.config.detail ?? true,
+                detail: ctx.config.detail ?? 'full',
                 env: { ...ctx.env, HYDRO_TESTCASE: '0' },
             }));
         }
diff --git a/packages/hydrojudge/src/judge/interactive.ts b/packages/hydrojudge/src/judge/interactive.ts
index d279961212..16929cbb95 100644
--- a/packages/hydrojudge/src/judge/interactive.ts
+++ b/packages/hydrojudge/src/judge/interactive.ts
@@ -39,12 +39,11 @@ function judgeCase(c: NormalizedCase) {
         let status: number;
         let score = 0;
         let message: any = '';
-        const detail = ctx.config.detail ?? true;
         if (time > c.time) {
             status = STATUS.STATUS_TIME_LIMIT_EXCEEDED;
         } else if (memory > c.memory * 1024) {
             status = STATUS.STATUS_MEMORY_LIMIT_EXCEEDED;
-        } else if (detail && ((code && code !== 13/* Broken Pipe */) || (code === 13 && !resInteractor.code))) {
+        } else if (ctx.config.detail === 'full' && ((code && code !== 13/* Broken Pipe */) || (code === 13 && !resInteractor.code))) {
             status = STATUS.STATUS_RUNTIME_ERROR;
             if (code < 32 && signalled) message = signals[code];
             else message = { message: 'Your program returned {0}.', params: [code] };
diff --git a/packages/hydrojudge/src/judge/submit_answer.ts b/packages/hydrojudge/src/judge/submit_answer.ts
index 949c7efff0..96be657aed 100644
--- a/packages/hydrojudge/src/judge/submit_answer.ts
+++ b/packages/hydrojudge/src/judge/submit_answer.ts
@@ -50,7 +50,7 @@ function judgeCase(c: NormalizedCase) {
                 user_stderr: { content: '' },
                 code: ctx.code,
                 score: c.score,
-                detail: ctx.config.detail ?? true,
+                detail: ctx.config.detail,
                 env: { ...ctx.env, HYDRO_TESTCASE: c.id.toString() },
             }));
         }
diff --git a/packages/hydrojudge/src/testlib.ts b/packages/hydrojudge/src/testlib.ts
index 6d198556ed..7e76f360de 100644
--- a/packages/hydrojudge/src/testlib.ts
+++ b/packages/hydrojudge/src/testlib.ts
@@ -1,8 +1,8 @@
-import { STATUS } from '@hydrooj/common';
+import { DetailType, STATUS } from '@hydrooj/common';
 
 const operation = /^\s*(status|score)\((\d+)\)\s*(.*)$/m;
 
-export function parse(output: string, fullscore: number) {
+export function parse(output: string, fullscore: number, detail: DetailType) {
     let status = STATUS.STATUS_WRONG_ANSWER;
     let score = 0;
     let builder = (msg: string) => msg;
@@ -51,5 +51,5 @@ export function parse(output: string, fullscore: number) {
             score = +val;
         }
     }
-    return { status, score, message: builder(message) };
+    return { status, score, message: builder(detail === 'full' ? message : '') };
 }
diff --git a/packages/ui-default/components/monaco/schema/problemconfig.ts b/packages/ui-default/components/monaco/schema/problemconfig.ts
index d608ebf3a5..f5f156c662 100644
--- a/packages/ui-default/components/monaco/schema/problemconfig.ts
+++ b/packages/ui-default/components/monaco/schema/problemconfig.ts
@@ -86,7 +86,7 @@ const problemConfigSchema: JSONSchema7 = {
     cases: { $ref: '#/definitions/cases' },
     subtasks: { type: 'array', items: { $ref: '#/definitions/subtask' } },
     filename: { type: 'string' },
-    detail: { type: 'boolean' },
+    detail: { type: 'string', enum: ['full', 'case', 'none'] },
     time: { $ref: '#/definitions/time' },
     memory: { $ref: '#/definitions/memory' },
     score: { $ref: '#/definitions/score' },