diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 192977c32..686345deb 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -217,6 +217,21 @@ class RepositoriesController < ApplicationController
     end
   end
 
+  def replace_file
+    #删除
+    delete_interactor = Gitea::DeleteFileInteractor.call(current_user.gitea_token, @owner.login, params[:delete_file].merge(identifier: @project.identifier))
+    return render_error(delete_interactor.error) unless delete_interactor.success?
+    #新建
+    interactor = Gitea::CreateFileInteractor.call(current_user.gitea_token, @owner.login, content_params)
+    if interactor.success?
+      @file = interactor.result
+      render_result(0, "替换成功")
+    else
+      render_error(interactor.error)
+    end
+   
+  end
+
   def delete_file
     interactor = Gitea::DeleteFileInteractor.call(current_user.gitea_token, @owner.login, params.merge(identifier: @project.identifier))
     if interactor.success?
diff --git a/app/libs/custom_regexp.rb b/app/libs/custom_regexp.rb
index 6012382b2..b735a631b 100644
--- a/app/libs/custom_regexp.rb
+++ b/app/libs/custom_regexp.rb
@@ -10,6 +10,7 @@ module CustomRegexp
   IP = /^((\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])\.){3}(\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])$/
 
   URL_REGEX = /\A(?:(?:https?|ftp):\/\/)(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]+-?)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]+-?)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?\z/i
-  REPOSITORY_NAME_REGEX = /^[a-zA-Z0-9][a-zA-Z0-9\-\_\.]+[a-zA-Z0-9]$/ #只含有数字、字母、下划线不能以下划线开头和结尾
+  # REPOSITORY_NAME_REGEX = /^[a-zA-Z0-9][a-zA-Z0-9\-\_\.]+[a-zA-Z0-9]$/ #只含有数字、字母、下划线不能以下划线开头和结尾
+  REPOSITORY_NAME_REGEX = /^[a-zA-Z0-9\-\_\.]+[a-zA-Z0-9]$/ #只含有数字、字母、下划线不能以下划线开头和结尾
   MD_REGEX = /^.+(\.[m|M][d|D])$/
 end
diff --git a/app/views/repositories/_contributor.json.jbuilder b/app/views/repositories/_contributor.json.jbuilder
index ea8a5ae30..b0547eba3 100644
--- a/app/views/repositories/_contributor.json.jbuilder
+++ b/app/views/repositories/_contributor.json.jbuilder
@@ -1,19 +1,19 @@
-user = $redis_cache.hgetall("v2-owner-common:#{contributor["name"]}-#{contributor["email"]}")
+user = $redis_cache.hgetall("v2-owner-common:#{contributor["name"] || contributor["login"]}-#{contributor["email"]}")
 if user.blank?
-  json.contributions contributor["commits"]
+  json.contributions contributor["commits"] || contributor["contributions"]
   json.login nil
   json.type nil
-  json.name contributor["name"].downcase
+  json.name (contributor["name"] || contributor["login"]).to_s.downcase
   json.email contributor["email"]
-  json.image_url User::Avatar.get_letter_avatar_url(contributor["name"])
-  json.contribution_perc User.new(login: contributor["name"], mail: contributor["email"]).simple_contribution_perc(project, contributor["contribution_perc"])
+  json.image_url User::Avatar.get_letter_avatar_url(contributor["name"] || contributor["login"])
+  json.contribution_perc User.new(login: (contributor["name"] || contributor["login"]), mail: contributor["email"]).simple_contribution_perc(project, contributor["contribution_perc"])
 else
-  json.contributions contributor["commits"]
+  json.contributions contributor["commits"] || contributor["contributions"]
   json.id user["id"]
   json.login user["login"]
   json.email user["email"]
   json.type user["type"]
-  json.name user["name"].downcase
+  json.name (user["name"] || contributor["name"] || contributor["login"]).to_s.downcase
   json.image_url user["avatar_url"]
   db_user = User.find_by_id(user["id"])
   json.contribution_perc db_user.simple_contribution_perc(project, contributor["contribution_perc"]) if db_user.present?
diff --git a/config/routes.rb b/config/routes.rb
index 0e760fbe9..f36aaa165 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -526,6 +526,7 @@ Rails.application.routes.draw do
           get :tags
           get :contributors
           post :create_file
+          post :replace_file
           put :update_file
           delete :delete_file
           post :repo_hook