diff --git a/app/controllers/desktop/co_author_relations_controller.rb b/app/controllers/desktop/co_author_relations_controller.rb
index cb01915e..d5f9d614 100644
--- a/app/controllers/desktop/co_author_relations_controller.rb
+++ b/app/controllers/desktop/co_author_relations_controller.rb
@@ -8,6 +8,10 @@ class Desktop::CoAuthorRelationsController < ApplicationController
     end
   end
 
+  def edit
+    @co_author_relation = CoAuthorRelation.find(params[:id])
+  end
+
   def new
     @new_relation = CoAuthorRelation.new
   end
@@ -25,6 +29,17 @@ class Desktop::CoAuthorRelationsController < ApplicationController
     end
   end
 
+  def update
+    @co_author_relation = CoAuthorRelation.find(params[:id])
+
+    if @co_author_relation.update_attributes(params[:co_author_relation])
+      render json: {success:true, msg: t('update.sucess.co_author')}.to_json
+    else
+      error_msg = @co_author.errors.full_messages.join("<br />")
+      render json: {success: false, msg: error_msg}.to_json
+    end
+  end
+
   def destroy
     @co_author_relation = CoAuthorRelation.find(params[:id])
     @co_author_relation.destroy
diff --git a/app/views/desktop/co_author_relations/_form.html.erb b/app/views/desktop/co_author_relations/_form.html.erb
index a6d2b68e..04ebe5ed 100644
--- a/app/views/desktop/co_author_relations/_form.html.erb
+++ b/app/views/desktop/co_author_relations/_form.html.erb
@@ -1,4 +1,2 @@
-<%= form_for(@new_relation , url: desktop_co_author_relations_path, html:{"form-type"=>"ajax_form", "callback-method"=>"coauthorRelationForm"} ) do |f| %>
-    <%= f.text_field :relation %>
-    <%= f.submit "Save" %>
-<% end %>
+<%= f.text_field :relation %>
+<%= f.submit "Save" %>
diff --git a/app/views/desktop/co_author_relations/_new.html.erb b/app/views/desktop/co_author_relations/_new.html.erb
new file mode 100644
index 00000000..6e137c88
--- /dev/null
+++ b/app/views/desktop/co_author_relations/_new.html.erb
@@ -0,0 +1,3 @@
+<%= form_for(@new_relation , url: desktop_co_author_relations_path, html:{"form-type"=>"ajax_form", "callback-method"=>"coauthorRelationForm"} ) do |f| %>
+  <%= render partial: 'desktop/co_author_relations/form' , locals: {:f => f}%>
+<% end %>
diff --git a/app/views/desktop/co_author_relations/_show_form.html.erb b/app/views/desktop/co_author_relations/_show_form.html.erb
index d3c803d3..36c9728a 100644
--- a/app/views/desktop/co_author_relations/_show_form.html.erb
+++ b/app/views/desktop/co_author_relations/_show_form.html.erb
@@ -1,6 +1,7 @@
   <% @co_author_relations.each do |co_author_relation| %>
   <tr>
     <td><%= co_author_relation.relation %></td>
+    <td><%= link_to 'Edit', edit_desktop_co_author_relation_path(co_author_relation), :class => "bt-edit" %></td>
     <td><%= link_to 'Destroy', desktop_co_author_relation_path(co_author_relation), confirm: 'Are you sure?', method: :delete, :class=>"bt-delete" %></td>
   </tr>
   <% end %>
diff --git a/app/views/desktop/co_author_relations/edit.html.erb b/app/views/desktop/co_author_relations/edit.html.erb
new file mode 100644
index 00000000..311536f0
--- /dev/null
+++ b/app/views/desktop/co_author_relations/edit.html.erb
@@ -0,0 +1,3 @@
+<%= form_for(@co_author_relations, url: desktop_co_author_relation_path(@co_author_relations), html:{"form-type"=>"ajax_form", "callback-method"=>"coauthorRelationForm"} ) do |f| %>
+  <%= render partial: 'desktop/co_author_relations/form' , locals: {:f => f}%>
+<% end %>
diff --git a/app/views/desktop/co_author_relations/index.html.erb b/app/views/desktop/co_author_relations/index.html.erb
index 157db942..cc37e6a5 100644
--- a/app/views/desktop/co_author_relations/index.html.erb
+++ b/app/views/desktop/co_author_relations/index.html.erb
@@ -1,7 +1,7 @@
 <h1>Listing co_author_relations</h1>
 
 <%= submit_tag "Back", :type => "button", class: "bt-cancel fn_btn hh2 thmc2 thmtxt" %>
-<%= render 'form' %>
+<%= render 'new' %>
 
 <table id="co_author_relation_table">
 <thead>
diff --git a/app/views/desktop/co_authors/edit.html.erb b/app/views/desktop/co_authors/edit.html.erb
index 015f6321..b2581353 100644
--- a/app/views/desktop/co_authors/edit.html.erb
+++ b/app/views/desktop/co_authors/edit.html.erb
@@ -1,3 +1,3 @@
-<%= form_for @co_author, html: { multipart: true ,"form-type"=>"ajax_form", "callback-method"=>"coAuthorformCallback"} , url: desktop_co_author_path(@co_author) do |f| %>
+<%= form_for @co_author_relation, html: { multipart: true ,"form-type"=>"ajax_form", "callback-method"=>"coAuthorformCallback"} , url: desktop_co_author_path(@co_author_relation) do |f| %>
   <%= render partial: 'desktop/co_authors/form', locals: {:f => f} %>
 <% end %>
diff --git a/app/views/desktop/co_authors/new.html.erb b/app/views/desktop/co_authors/new.html.erb
index 1a4ec2d5..3fd7d2e1 100644
--- a/app/views/desktop/co_authors/new.html.erb
+++ b/app/views/desktop/co_authors/new.html.erb
@@ -1,3 +1,3 @@
 <%= form_for @co_author, html: { multipart: true ,"form-type"=>"ajax_form", "callback-method"=>"coAuthorformCallback"} , url: desktop_co_authors_path do |f| %>
-  <%= render partial: 'desktop/co_authors/form', locals: {:f => f} %>
+  <%= render partial: 'desktop/co_author_relations/form', locals: {:f => f} %>
 <% end %>