diff --git a/app/controllers/ecloud_controller.rb b/app/controllers/ecloud_controller.rb
index edf568a9..c49b34a6 100644
--- a/app/controllers/ecloud_controller.rb
+++ b/app/controllers/ecloud_controller.rb
@@ -33,10 +33,18 @@ class EcloudController < ApplicationController
   def trustie_login
   end
 
-  CLIENT_ID = '1022'
-  CLIENT_SECRET = '2112037a-6d7a-432b-9081-feb1153d8668'
-  ROOT_URl = 'http://localhost:3000'
-  SERVER_URL = "https://221.176.54.92:9081/restful/services/"
+  # 测试环境
+  # CLIENT_ID = '1022'
+  # CLIENT_SECRET = '2112037a-6d7a-432b-9081-feb1153d8668'
+  # SERVER_URL = "https://221.176.54.92:9081/restful/services/"
+  #
+
+  # 正式环境
+  CLIENT_ID = '1056'
+  CLIENT_SECRET = '2e84256a-3de4-4713-9e02-10ee88a14592'
+  SERVER_URL = "https://221.176.53.130:44390/services/"
+
+
 
   ## 签名
   def sign(timestamp)
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 919e374b..19c82857 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -4340,7 +4340,7 @@ module ApplicationHelper
         candown = (attachment.is_public == 1 || attachment.is_public == true)
       end
     else
-      if attachment.container_type == "MarkDown" || attachment.container_type == "Shixun" || attachment.container_type == "Memo" || attachment.container_type == "Career" || attachment.container_type == "Exercise" || attachment.container_type == "ExerciseBank"
+      if attachment.container_type == "MarkDown" || attachment.container_type.nil? || attachment.container_type == 'Subject' || attachment.container_type == "Shixun" || attachment.container_type == "Memo" || attachment.container_type == "Career" || attachment.container_type == "Exercise" || attachment.container_type == "ExerciseBank"
         candown = true
       end
     end
diff --git a/app/views/subjects/_new_or_edit.html.erb b/app/views/subjects/_new_or_edit.html.erb
index b5d15a26..c7c9beed 100644
--- a/app/views/subjects/_new_or_edit.html.erb
+++ b/app/views/subjects/_new_or_edit.html.erb
@@ -78,7 +78,7 @@
         placeholder: "请在此输入实训课程的简介",
         imageUpload : true,
         imageFormats : ["jpg", "jpeg", "gif", "png", "bmp", "webp", "JPG", "JPEG", "GIF", "PNG", "BMP", "WEBP"],
-        imageUploadURL : "<%= upload_with_markdown_path(:container_id => @subject.id, :container_type => @subject.class) %>" //url
+        imageUploadURL : "<%= upload_with_markdown_path(:container_id => @subject.id, :container_type => 'MarkDown') %>" //url
     });
     md_elocalStorage(shixun_editormd, "subject_desc_<%= User.current.id %>", "desc");
     /* --------------------------------- 学习须知 -------------------------------------- */
@@ -106,7 +106,7 @@
         placeholder: "请在此输入实训课程的学习须知",
         imageUpload : true,
         imageFormats : ["jpg", "jpeg", "gif", "png", "bmp", "webp", "JPG", "JPEG", "GIF", "PNG", "BMP", "WEBP"],
-        imageUploadURL : "<%= upload_with_markdown_path(:container_id => @subject.id, :container_type => @subject.class) %>" //url
+        imageUploadURL : "<%= upload_with_markdown_path(:container_id => @subject.id, :container_type => 'MarkDown') %>" //url
     });
     md_elocalStorage(shixun_propaedeutics, "subject_notes_<%= User.current.id %>", "notes");