diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index 85644af3a..461d0eb3a 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.8.6",
+    "version": "2.8.7",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/hydrojudge/src/judge/interactive.ts b/packages/hydrojudge/src/judge/interactive.ts
index 0d9aa3fec..770be327a 100644
--- a/packages/hydrojudge/src/judge/interactive.ts
+++ b/packages/hydrojudge/src/judge/interactive.ts
@@ -41,7 +41,7 @@ function judgeCase(c) {
             status = STATUS.STATUS_TIME_LIMIT_EXCEEDED;
         } else if (memory_usage_kb > ctxSubtask.subtask.memory * 1024) {
             status = STATUS.STATUS_MEMORY_LIMIT_EXCEEDED;
-        } else if (code !== 13/* Broken Pipe */ || (code === 13 && !resInteractor.code)) {
+        } else if ((code && code !== 13/* Broken Pipe */) || (code === 13 && !resInteractor.code)) {
             status = STATUS.STATUS_RUNTIME_ERROR;
             if (code < 32) message = signals[code];
             else message = { message: 'Your program returned {0}.', params: [code] };
@@ -50,7 +50,7 @@ function judgeCase(c) {
             status = result.status;
             score = result.score;
             message = result.message;
-            if (resInteractor.code) message += ` (Interactor exited with code ${resInteractor.code})`;
+            if (resInteractor.code && resInteractor.code !== 1) message += ` (Interactor exited with code ${resInteractor.code})`;
         }
         ctxSubtask.score = Score[ctxSubtask.subtask.type](ctxSubtask.score, score);
         ctxSubtask.status = Math.max(ctxSubtask.status, status);
diff --git a/packages/hydrojudge/src/sandbox.ts b/packages/hydrojudge/src/sandbox.ts
index 4d1c57950..fe8d7f7d7 100644
--- a/packages/hydrojudge/src/sandbox.ts
+++ b/packages/hydrojudge/src/sandbox.ts
@@ -95,9 +95,9 @@ export async function runMultiple(execute) {
         body.cmd[1].files[0] = null;
         body.cmd[1].files[1] = null;
         const id = callId++;
-        if (argv.options['show-sandbox-call']) logger.debug('%d %s', id, JSON.stringify(body));
+        if (argv.options.showSandbox) logger.debug('%d %s', id, JSON.stringify(body));
         res = await Axios.create({ baseURL: getConfig('sandbox_host') }).post('/run', body);
-        if (argv.options['show-sandbox-call']) logger.debug('%d %s', id, JSON.stringify(res.data));
+        if (argv.options.showSandbox) logger.debug('%d %s', id, JSON.stringify(res.data));
     } catch (e) {
         if (e instanceof FormatError) throw e;
         throw new SystemError('Sandbox Error');
@@ -123,9 +123,9 @@ export async function run(execute, params?) {
         }
         const body = { cmd: [proc({ execute, ...params })] };
         const id = callId++;
-        if (argv.options['show-sandbox-call']) logger.debug('%d %s', id, JSON.stringify(body));
+        if (argv.options.showSandbox) logger.debug('%d %s', id, JSON.stringify(body));
         const res = await Axios.create({ baseURL: getConfig('sandbox_host') }).post('/run', body);
-        if (argv.options['show-sandbox-call']) logger.debug('%d %s', id, JSON.stringify(res.data));
+        if (argv.options.showSandbox) logger.debug('%d %s', id, JSON.stringify(res.data));
         [result] = res.data;
     } catch (e) {
         if (e instanceof FormatError) throw e;