diff --git a/app/views/exercise/_exercise_form.html.erb b/app/views/exercise/_exercise_form.html.erb
index f8fe7896c..176b7ac04 100644
--- a/app/views/exercise/_exercise_form.html.erb
+++ b/app/views/exercise/_exercise_form.html.erb
@@ -149,7 +149,7 @@
             alert("截止时间不能小于当前时间");
         } else if($.trim($("#exercise_time").val()) !="" && !/^[1-9][0-9]*$/.test($.trim($("#exercise_time").val()))) {
             alert("测验时长必须为非零开头的数字");
-        } else if($.trim($("#exercise_publish_time").val()) !="" && Date.parse($("#exercise_publish_time").val()) < Date.now()) {
+        } else if($.trim($("#exercise_publish_time").val()) !="" && Date.parse($("#exercise_publish_time").val()) > Date.now()) {
             alert("发布时间不能小于当前时间");
         } else if($.trim($("#exercise_publish_time").val()) !="" && Date.parse($("#exercise_end_time").val()) < Date.parse($("#exercise_publish_time").val())) {
             alert("截止时间不能小于发布时间");