diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 5040acec0..7e9fd652b 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -130,15 +130,15 @@ module ApplicationHelper
       if source.class.to_s == 'User'
         File.join(relative_path, ["#{source.class}", "#{source.id}"])
       else
-        File.join("avatars", ["#{source.class}", "#{source.id}"])
+        File.join("images/avatars", ["#{source.class}", "#{source.id}"])
       end
     elsif source.class.to_s == 'User'
       str = source.user_extension.try(:gender).to_i == 0 ? "b" : "g"
       File.join(relative_path, "#{source.class}", str)
     elsif source.class.to_s == 'Subject'
-      File.join("educoder", "index", "subject", "subject#{rand(17)}.jpg")
+      File.join("images","educoder", "index", "subject", "subject#{rand(17)}.jpg")
     elsif source.class.to_s == 'Shixun'
-      File.join("educoder","index", "shixun", "shixun#{rand(23)}.jpg")
+      File.join("images","educoder", "index", "shixun", "shixun#{rand(23)}.jpg")
     end
   end
 
diff --git a/public/react/src/modules/courses/busyWork/CommonWorkSetting.js b/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
index 17a944d41..8baee4b45 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
@@ -722,7 +722,7 @@ class CommonWorkSetting extends Component{
       late_time: late_time ? new Date(late_time) : late_time,         // 补交截止时间
       anonymous_comment: anonymous_comment,   // true: 启用匿评 false:未启用匿评
       evaluation_start: evaluation_start ? new Date(evaluation_start) : evaluation_start, //匿评开始时间
-      evaluation_end: evaluation_end,
+      evaluation_end: evaluation_end ? new Date(evaluation_end) : evaluation_end, 
       evaluation_num: evaluation_num,     //	匿评数
       absence_penalty: absence_penalty,   // 匿评扣分
       anonymous_appeal: anonymous_appeal, // true: 启用匿评申诉, false:未启用