diff --git a/app/controllers/admins/topic/cooperators_controller.rb b/app/controllers/admins/topic/cooperators_controller.rb
index fdd47e712..a1a700cbc 100644
--- a/app/controllers/admins/topic/cooperators_controller.rb
+++ b/app/controllers/admins/topic/cooperators_controller.rb
@@ -2,7 +2,7 @@ class Admins::Topic::CooperatorsController < Admins::Topic::BaseController
   before_action :find_cooperator, only: [:edit, :update, :destroy]
 
   def index 
-    @cooperators = kaminari_paginate(::Topic::Cooperator)
+    @cooperators = paginate(::Topic::Cooperator)
   end
 
   def new 
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 3f0fbcc7d..4a72f83ca 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -682,7 +682,7 @@ class ApplicationController < ActionController::Base
 
 	def kaminari_paginate(relation)
 		limit = params[:limit] || params[:per_page]
-		limit = (limit.to_i.zero? || limit.to_i > 15) ? 15 : limit.to_i
+		limit = (limit.to_i.zero? || limit.to_i > 20) ? 20 : limit.to_i
 		page  = params[:page].to_i.zero? ? 1 : params[:page].to_i
 
 		relation.page(page).per(limit)
@@ -690,7 +690,7 @@ class ApplicationController < ActionController::Base
 
 	def kaminari_array_paginate(relation)
 		limit = params[:limit] || params[:per_page]
-		limit = (limit.to_i.zero? || limit.to_i > 15) ? 15 : limit.to_i
+		limit = (limit.to_i.zero? || limit.to_i > 20) ? 20 : limit.to_i
 		page  = params[:page].to_i.zero? ? 1 : params[:page].to_i
 
 		Kaminari.paginate_array(relation).page(page).per(limit)
diff --git a/app/views/admins/topic/banners/_list.html.erb b/app/views/admins/topic/banners/_list.html.erb
index b3df7cf0b..aa366ec21 100644
--- a/app/views/admins/topic/banners/_list.html.erb
+++ b/app/views/admins/topic/banners/_list.html.erb
@@ -14,7 +14,7 @@
       <tr class="banner-item-<%= banner.id %>">
         <td><%= list_index_no((params[:page] || 1).to_i, index) %></td>
         <td><%= banner.title %></td>
-        <td><img style="height:50px" src="<%= banner.image %>" /></td>
+        <td><img style="width:150px" src="<%= banner.image %>" /></td>
         <td><%= banner.order_index %></td>
         <td class="action-container">
           <%= link_to "编辑", edit_admins_topic_banner_path(banner), remote: true, class: "action" %>
diff --git a/app/views/admins/topic/cooperators/_list.html.erb b/app/views/admins/topic/cooperators/_list.html.erb
index 18fa64969..351b6b9de 100644
--- a/app/views/admins/topic/cooperators/_list.html.erb
+++ b/app/views/admins/topic/cooperators/_list.html.erb
@@ -16,7 +16,7 @@
         <td><%= list_index_no((params[:page] || 1).to_i, index) %></td>
         <td><%= cooperator.title %></td>
         <td><%= cooperator.url %></td>
-        <td><img style="height:50px" src="<%= cooperator.image %>" /></td>
+        <td><img style="width:150px" src="<%= cooperator.image %>" /></td>
         <td><%= cooperator.order_index %></td>
         <td class="action-container">
           <%= link_to "编辑", edit_admins_topic_cooperator_path(cooperator), remote: true, class: "action" %>