diff --git a/packages/hydrojudge/src/config.ts b/packages/hydrojudge/src/config.ts
index 4a2d0c78c..6c5b7617f 100644
--- a/packages/hydrojudge/src/config.ts
+++ b/packages/hydrojudge/src/config.ts
@@ -36,6 +36,7 @@ export const JudgeSettings = Schema.object({
         endpoint: Schema.string().role('url').description('Tempo endpoint').default('http://localhost:4318'),
         samplePercentage: Schema.number().description('Sample percentage').default(0).min(0).max(1),
     }),
+    pipe_proxy: Schema.boolean().description('Enable pipe proxy').default(true),
     detail: Schema.union([
         Schema.const('full'),
         Schema.const('case'),
diff --git a/packages/hydrojudge/src/sandbox.ts b/packages/hydrojudge/src/sandbox.ts
index 9e802ffef..651575d6c 100644
--- a/packages/hydrojudge/src/sandbox.ts
+++ b/packages/hydrojudge/src/sandbox.ts
@@ -161,7 +161,7 @@ export async function runPiped(
         const body = {
             cmd: execute.map((exe) => proc({ ...exe, ...params })),
             pipeMapping: pipeMapping.map((pipe) => ({
-                proxy: true,
+                proxy: getConfig('pipe_proxy'),
                 max: 1024 * 1024 * size,
                 ...pipe,
             })),