diff --git a/app/views/games/picture_display.json.jbuilder b/app/views/games/picture_display.json.jbuilder
index 770f0d71b..8b5271ec5 100644
--- a/app/views/games/picture_display.json.jbuilder
+++ b/app/views/games/picture_display.json.jbuilder
@@ -25,28 +25,28 @@ elsif @type == "txt"
 elsif @type =="qrcode"
   json.qrcode_str @qrcode_str
 elsif @type == "mp3" || @type == "mp4"
-  # if @type == "mp4"
-  #   json.orignal_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378171/123.mp4"}]
-  #   json.user_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378172/456.mp4"}]
-  #   json.answer_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378173/789.mp4"}]
-  # else
-  #   json.orignal_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378174/58099.mp3"}]
-  #   json.user_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378175/654058514.mp3"}]
-  #   json.answer_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378175/654058514.mp3"}]
-  # end
-  json.orignal_file do
-    json.array! @orignal_picture do |file|
-      json.file_url attachment_show_users_path(:file_name => file, :path => @original_path)
-    end
-  end
-  json.user_file do
-    json.array! @user_picture do |file|
-      json.file_url attachment_show_users_path(:file_name => file, :path => @user_path, :time => Time.now.to_i)
-    end
-  end
-  json.answer_file do
-    json.array! @answer_picture do |file|
-      json.file_url attachment_show_users_path(:file_name => file, :path => @answer_path)
-    end
+  if @type == "mp4"
+    json.orignal_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378171"}]
+    json.user_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378172"}]
+    json.answer_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378173"}]
+  else
+    json.orignal_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378174"}]
+    json.user_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378175"}]
+    json.answer_file [{"file_url": "http://120.27.231.56:48080/attachments/download/378175"}]
   end
+  # json.orignal_file do
+  #   json.array! @orignal_picture do |file|
+  #     json.file_url attachment_show_users_path(:file_name => file, :path => @original_path)
+  #   end
+  # end
+  # json.user_file do
+  #   json.array! @user_picture do |file|
+  #     json.file_url attachment_show_users_path(:file_name => file, :path => @user_path, :time => Time.now.to_i)
+  #   end
+  # end
+  # json.answer_file do
+  #   json.array! @answer_picture do |file|
+  #     json.file_url attachment_show_users_path(:file_name => file, :path => @answer_path)
+  #   end
+  # end
 end
\ No newline at end of file
diff --git a/public/react/src/modules/courses/busyWork/CommonWorkPost.js b/public/react/src/modules/courses/busyWork/CommonWorkPost.js
index 78ad2f180..60383988b 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkPost.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkPost.js
@@ -470,7 +470,7 @@ class CommonWorkPost extends Component{
   }
 
   gocannel=()=>{
-    window.history.go(-1)
+		this.props.history.goBack()
   }
 
 render(){
diff --git a/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitedit.js b/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitedit.js
index 201507d1e..f93d13eac 100644
--- a/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitedit.js
+++ b/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitedit.js
@@ -362,7 +362,7 @@ class GraduationTasksSubmitedit extends Component{
   }
 
   gocannel=()=>{
-    window.history.go(-1)
+		this.props.history.goBack()
   }
 
   handleSubmit=(e) => {
diff --git a/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitnew.js b/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitnew.js
index 5ff29949a..f5060ad4c 100644
--- a/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitnew.js
+++ b/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitnew.js
@@ -362,7 +362,7 @@ class GraduationTasksSubmitnew extends Component{
     }
   }
   gocannel=()=>{
-    window.history.go(-1)
+		this.props.history.goBack()
   }
 
   //公用数据
diff --git a/public/react/src/modules/home/home.css b/public/react/src/modules/home/home.css
index 0739376de..1e97d5ecf 100644
--- a/public/react/src/modules/home/home.css
+++ b/public/react/src/modules/home/home.css
@@ -11,10 +11,10 @@
 }
 
 .user_navlist{
-    margin-left: 40px;
+    /*margin-left: 40px;*/
 }
 .next-slick-list{
-    margin-left: 12px;
+    /*margin-left: 12px;*/
 }
 
 .black_nav_span{
@@ -58,7 +58,7 @@
 }
 
 .educontentSlider{
-    width: 1282px !important;
+    /*width: 1282px !important;*/
 }
 .user_navlist_white{
     max-height:350px  !important;
@@ -72,4 +72,8 @@
 .iconfontshixundaibeijing{
     font-size: 18px !important;
     line-height: 24px;
+}
+
+.next-slick.next-slick-horizontal.next-slick-outer{
+    padding:0px !important;
 }
\ No newline at end of file
diff --git a/public/react/src/modules/paths/PathDetail/PathDetailIndex.js b/public/react/src/modules/paths/PathDetail/PathDetailIndex.js
index 1ba1a3c13..d490ac112 100644
--- a/public/react/src/modules/paths/PathDetail/PathDetailIndex.js
+++ b/public/react/src/modules/paths/PathDetail/PathDetailIndex.js
@@ -112,14 +112,14 @@ class PathDetailIndex extends Component{
     this.setState({
       Modalstype:false,
     })
-    window.history.go(-1)
+		this.props.history.goBack()
   }
 
   cardsModalsave=()=>{
     this.setState({
       Modalstype:false,
     })
-     window.history.go(-1)
+		this.props.history.goBack()
   }
   // 加载markdown
   updatamakedown=(id)=>{
diff --git a/public/react/src/modules/projectPackages/PackageIndexNEITaskDetails/PackageIndexNEITaskDetails.js b/public/react/src/modules/projectPackages/PackageIndexNEITaskDetails/PackageIndexNEITaskDetails.js
index 35ca952a7..a1e016853 100644
--- a/public/react/src/modules/projectPackages/PackageIndexNEITaskDetails/PackageIndexNEITaskDetails.js
+++ b/public/react/src/modules/projectPackages/PackageIndexNEITaskDetails/PackageIndexNEITaskDetails.js
@@ -230,7 +230,8 @@ class PackageIndexNEITaskDetails extends Component {
 	}
 	goback = () => {
 		// window.history.go(-1)
-		window.location.href="/crowdsourcing";
+		// window.location.href="/crowdsourcing";
+	  this.props.history.goBack()
 	}
 
 	render() {
diff --git a/public/react/src/modules/projectPackages/PackageIndexNewandEdit/PackageIndexNewandEditIndex.js b/public/react/src/modules/projectPackages/PackageIndexNewandEdit/PackageIndexNewandEditIndex.js
index 0481577bf..f7495595b 100644
--- a/public/react/src/modules/projectPackages/PackageIndexNewandEdit/PackageIndexNewandEditIndex.js
+++ b/public/react/src/modules/projectPackages/PackageIndexNewandEdit/PackageIndexNewandEditIndex.js
@@ -30,7 +30,8 @@ class PackageIndexNewandEditIndex extends Component{
 
 	goback = () => {
 		// window.history.go(-1)
-		window.location.href="/crowdsourcing";
+		// window.location.href="/crowdsourcing";
+		this.props.history.goBack()
 	}
 
 	render() {