diff --git a/contest_submission/views.py b/contest_submission/views.py
index 8611ff48..2d35e79b 100644
--- a/contest_submission/views.py
+++ b/contest_submission/views.py
@@ -51,6 +51,8 @@ class ContestSubmissionAPIView(APIView):
                 return error_response(u"提交判题任务失败")
             # 修改用户解题状态
             problems_status = request.user.problems_status
+            if "contest_problems" not in problems_status:
+                problems_status["contest_problems"] = {}
             problems_status["contest_problems"][str(data["problem_id"])] = 2
             request.user.problems_status = problems_status
             request.user.save()
diff --git a/submission/views.py b/submission/views.py
index 7a4d7ea1..06f14039 100644
--- a/submission/views.py
+++ b/submission/views.py
@@ -54,6 +54,8 @@ class SubmissionAPIView(APIView):
                 return error_response(u"提交判题任务失败")
             # 修改用户解题状态
             problems_status = request.user.problems_status
+            if "problems" not in problems_status:
+                problems_status["problems"] = {}
             problems_status["problems"][str(data["problem_id"])] = 2
             request.user.problems_status = problems_status
             request.user.save()