diff --git a/judger_controller/tasks.py b/judger_controller/tasks.py
index ebc7b04..3f4e255 100644
--- a/judger_controller/tasks.py
+++ b/judger_controller/tasks.py
@@ -14,7 +14,7 @@ def judge(solution_id, time_limit, memory_limit, test_case_id):
                         "python judger/run.py "
                         "--solution_id %s --time_limit %s --memory_limit %s --test_case_id %s" %
                         (solution_id, str(time_limit), str(memory_limit), test_case_id),
-                        # 设置最长运行时间是3倍的 cpu 时间
-                        timeout=(time_limit / 1000.0 * 3), shell=True)
+                        # 设置最长运行时间是5倍的 cpu 时间
+                        timeout=(time_limit / 1000.0 * 5), shell=True)
     except subprocess.TimeoutExpired:
         print "docker timeout"