diff --git a/problem/serizalizers.py b/problem/serizalizers.py
index 1fb61cc..f9c5caa 100644
--- a/problem/serizalizers.py
+++ b/problem/serizalizers.py
@@ -26,8 +26,8 @@ class CreateProblemSerializer(serializers.Serializer):
     samples = ProblemSampleSerializer()
     test_case_id = serializers.CharField(max_length=40)
     source = serializers.CharField(max_length=30, required=False, default=None)
-    time_limit = serializers.IntegerField()
-    memory_limit = serializers.IntegerField()
+    time_limit = serializers.IntegerField(min_value=1)
+    memory_limit = serializers.IntegerField(min_value=1)
     difficulty = serializers.IntegerField()
     tags = serializers.ListField(child=serializers.CharField(max_length=10))
     hint = serializers.CharField(max_length=3000, allow_blank=True)
@@ -61,8 +61,8 @@ class EditProblemSerializer(serializers.Serializer):
     output_description = serializers.CharField(max_length=10000)
     test_case_id = serializers.CharField(max_length=40)
     source = serializers.CharField(max_length=30)
-    time_limit = serializers.IntegerField()
-    memory_limit = serializers.IntegerField()
+    time_limit = serializers.IntegerField(min_value=1)
+    memory_limit = serializers.IntegerField(min_value=1)
     difficulty = serializers.IntegerField()
     tags = serializers.ListField(child=serializers.CharField(max_length=20))
     samples = ProblemSampleSerializer()
diff --git a/static/src/js/app/admin/problem/addProblem.js b/static/src/js/app/admin/problem/addProblem.js
index d34cd9a..c6e49ca 100644
--- a/static/src/js/app/admin/problem/addProblem.js
+++ b/static/src/js/app/admin/problem/addProblem.js
@@ -13,10 +13,6 @@ require(["jquery", "avalon", "editor", "uploader", "bsAlert", "csrfToken", "tagE
                             bsAlert("题目描述不能为空!");
                             return false;
                         }
-                        if (vm.timeLimit < 1000 || vm.timeLimit > 5000) {
-                            bsAlert("保证时间限制是一个1000-5000的合法整数");
-                            return false;
-                        }
                         if (vm.samples.length == 0) {
                             bsAlert("请至少添加一组样例!");
                             return false;