diff --git a/server/apps/exam/views.py b/server/apps/exam/views.py
index 8f3aeda..6a7b8b1 100644
--- a/server/apps/exam/views.py
+++ b/server/apps/exam/views.py
@@ -691,7 +691,7 @@ class ExamRecordViewSet(ListModelMixin, DestroyModelMixin, RetrieveModelMixin, G
                 # 获取锁
                 iden = acquire_lock('certificate')
                 if iden is None:
-                    raise ParseError("系统忙，请稍后再试")
+                    raise ParseError("系统忙， 请稍后再试")
                 try:
                     # 查询证明编号创建时间为最后一个
                     cer = Certificate.objects.latest('证书编号')