diff --git a/app/controllers/welcome_controller.rb b/app/controllers/welcome_controller.rb
index c6fa78d9..06602a5c 100644
--- a/app/controllers/welcome_controller.rb
+++ b/app/controllers/welcome_controller.rb
@@ -30,6 +30,17 @@ class WelcomeController < ApplicationController
   require 'simple_xlsx_reader'
 
   DCODES = %W(2 3 4 5 6 7 8 9 a b c f e f g h i j k l m n o p q r s t u v w x y z)
+  def local_init
+    LocalShixun.delete_all
+    LocalMirrorRepository.delete_all
+    LocalShixunTagRepertoire.delete_all
+    LocalChallenge.delete_all
+    LocalTestSet.delete_all
+    LocalChallengeTag.delete_all
+    render :json => {status: 0, message: "success"}
+  end
+
+
   def shixun_to_local
     identifiers = params[:identifiers].split(",")
     shixuns = Shixun.where(identifier: identifiers)
diff --git a/config/routes.rb b/config/routes.rb
index ea70b6a2..47a052db 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -283,6 +283,7 @@ RedmineApp::Application.routes.draw do ## oauth相关
   get 'welcome/ccf' => 'welcome#ccf'
   get 'welcome/shixun_to_local' => 'welcome#shixun_to_local'
   get 'welcome/local_to_shixun' => 'welcome#local_to_shixun'
+  get 'welcome/local_init' => 'welcome#local_init'
 
   # get 'competitions/home' => 'competitions#home'
   # get 'competitions/hn' => 'competitions#index'