diff --git a/docker-compose.yml b/docker-compose.yml
index 493af67..b3835b0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -34,6 +34,7 @@ services:
       - /tmp
       - /judger_run:exec,mode=777
       - /spj:exec,mode=777
+      - /dev/shm:mode=777
     volumes:
       - $PWD/data/backend/test_case:/test_case:ro
       - $PWD/data/judge_server:/log