diff --git a/app/controllers/compare_controller.rb b/app/controllers/compare_controller.rb
index 63ca58aa..4b686015 100644
--- a/app/controllers/compare_controller.rb
+++ b/app/controllers/compare_controller.rb
@@ -6,26 +6,48 @@ class CompareController < ApplicationController
   end
 
   def show
+    load_compare_params
     compare
+    @merge_message = get_merge_message
   end
 
   private
+  def get_merge_message 
+    if @base.blank? || @head.blank?
+      return "请选择分支"
+    else
+      if @head.include?(":")
+        fork_project = @project.forked_projects.joins(:owner).where(users: {login: @head.to_s.split("/")[0]}).take
+        return "请选择正确的仓库" unless fork_project.present?
+        @exist_pullrequest = @project.pull_requests.where(is_original: true, head: @head.to_s.split(":")[1], base: @base, status: 0, fork_project_id: fork_project.id).take
+      else 
+        @exist_pullrequest = @project.pull_requests.where(is_original: false, head: @base, base: @head, status: 0).take
+      end
+      if @exist_pullrequest.present?
+        return "在这些分支之间的合并请求已存在：<a href='/projects/#{@owner.login}/#{@project.identifier}/pulls/#{@exist_pullrequest.id}/Messagecount'>#{@exist_pullrequest.try(:title)}</a>"
+      else 
+        if @compare_result["Commits"].blank? && @compare_result["Diff"].blank?
+          return "分支内容相同，无需创建合并请求"
+        end
+      end
+    end
+    return "可以合并"
+  end
+
   def compare
-    base, head = compare_params
 
     # TODO: 处理fork的项目向源项目发送PR的base、head参数问题
     @compare_result ||=
-      head.include?(":") ? gitea_compare(base, head) : gitea_compare(head, base)
+      @head.include?(":") ? gitea_compare(@base, @head) : gitea_compare(@head, @base)
   end
 
-  def compare_params
-    base = Addressable::URI.unescape(params[:base])
-    head = params[:head].include?('json') ? params[:head]&.split('.json')[0] : params[:head]
+  def load_compare_params
+    @base = Addressable::URI.unescape(params[:base])
+    @head = params[:head].include?('json') ? params[:head]&.split('.json')[0] : params[:head]
 
-    [base, head]
   end
 
   def gitea_compare(base, head)
-    Gitea::Repository::Commits::CompareService.call(@owner.login, @project.identifier, base, head)
+    Gitea::Repository::Commits::CompareService.call(@owner.login, @project.identifier, @base, @head)
   end
 end
diff --git a/app/helpers/repositories_helper.rb b/app/helpers/repositories_helper.rb
index e704acb8..95c669b7 100644
--- a/app/helpers/repositories_helper.rb
+++ b/app/helpers/repositories_helper.rb
@@ -15,7 +15,7 @@ module RepositoriesHelper
   end
 
   def image_type?(str)
-    default_type = %w(png jpg gif tif psd svg)
+    default_type = %w(png jpg gif tif psd svg gif bmp webp jpeg)
     default_type.include?(str&.downcase)
   end
 
@@ -86,4 +86,39 @@ module RepositoriesHelper
       render_decode64_content(entry['content'])
     end
   end
+
+  def base64_to_image(path, content)
+    # generate to https://git.trusite.net/pawm36ozq/-/raw/branch/master/entrn.png"
+    content      = Base64.decode64(content)
+    File.open(path, 'wb') { |f| f.write(content) }
+  end
+  
+  def render_download_image_url(dir_path, file_path, content)
+    # 用户名/项目标识/文件路径
+    dir_path = generate_dir_path(dir_path)
+
+    file_path = [dir_path, file_path].join('/')
+
+    puts "##### render_download_image_url file_path: #{file_path}"
+    base64_to_image(file_path, content)
+  
+    file_path = file_path.split('public')[1]
+    File.join(base_url, file_path)
+  end
+  
+  def generate_dir_path(dir_path)
+    # tmp_dir_path
+    # eg: jasder/forgeplus/raw/branch/ref
+    dir_path = ["public", tmp_dir, dir_path].join('/')
+    puts "#### dir_path: #{dir_path}"
+    unless Dir.exists?(dir_path)
+      FileUtils.mkdir_p(dir_path) ##不成功这里会抛异常
+    end
+    dir_path
+  end
+
+  def tmp_dir
+    "repo"
+  end
+  
 end
diff --git a/app/models/project.rb b/app/models/project.rb
index a47ee423..fc78de65 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -1,3 +1,7 @@
+<<<<<<< HEAD
+=======
+
+>>>>>>> develop
 # == Schema Information
 #
 # Table name: projects
@@ -75,6 +79,10 @@
 #  index_projects_on_updated_on              (updated_on)
 #
 
+<<<<<<< HEAD
+=======
+
+>>>>>>> develop
 
 class Project < ApplicationRecord
   include Matchable
diff --git a/app/views/compare/show.json.jbuilder b/app/views/compare/show.json.jbuilder
index 8b75fa3d..91260e56 100644
--- a/app/views/compare/show.json.jbuilder
+++ b/app/views/compare/show.json.jbuilder
@@ -83,3 +83,4 @@ json.diff do
 
   end
 end
+json.message @merge_message
\ No newline at end of file
diff --git a/app/views/owners/index.json.jbuilder b/app/views/owners/index.json.jbuilder
index 677aff71..6b7e5222 100644
--- a/app/views/owners/index.json.jbuilder
+++ b/app/views/owners/index.json.jbuilder
@@ -2,6 +2,6 @@ json.total_count @owners.size
 json.owners @owners.each do |owner|
   json.id owner.id
   json.type owner.type
-  json.name owner.login
+  json.name owner&.show_real_name
   json.avatar_url url_to_avatar(owner)
 end
\ No newline at end of file
diff --git a/app/views/repositories/_simple_entry.json.jbuilder b/app/views/repositories/_simple_entry.json.jbuilder
index ec2a045b..7d41bbd2 100644
--- a/app/views/repositories/_simple_entry.json.jbuilder
+++ b/app/views/repositories/_simple_entry.json.jbuilder
@@ -11,7 +11,16 @@ if @project.forge?
 
   json.content decode64_content(entry, @owner, @repository, @ref)
   json.target entry['target']
-  json.download_url entry['download_url']
+  
+  download_url = 
+    if image_type
+      dir_path = [@owner.login, @repository.identifier, "raw/branch", @ref].join('/')
+      render_download_image_url(dir_path, entry['path'], decode64_content(entry, @owner, @repository, @ref))
+    else
+      entry['download_url']
+    end
+  json.download_url download_url
+
   json.direct_download direct_download
   json.image_type image_type
   json.is_readme_file is_readme?(entry['type'], entry['name'])