diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index d3744fb6e..c40010be2 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -25,7 +25,7 @@ class ShixunsController < ApplicationController
 
 	before_action :special_allowed, only: [:send_to_course, :search_user_courses]
 	before_action :shixun_marker, only: [:new, :create]
-	before_action :validate_wachat_support, only: [:shixun_exec]
+	#before_action :validate_wachat_support, only: [:shixun_exec]
 	skip_before_action :check_sign, only: [:download_file]
 
 	## 获取课程列表
@@ -1186,11 +1186,11 @@ private
 		md5.hexdigest
 	end
 
-	def validate_wachat_support
-
-		if (params[:wechat].present? && !@shixun.is_wechat_support?)
-			tip_exception(-5, "..")
-		end
-	end
+	# def validate_wachat_support
+	#
+	# 	if (params[:wechat].present? && !@shixun.is_wechat_support?)
+	# 		tip_exception(-5, "..")
+	# 	end
+	# end
 
 end
diff --git a/app/controllers/weapps/challenges_controller.rb b/app/controllers/weapps/challenges_controller.rb
new file mode 100644
index 000000000..49d065f03
--- /dev/null
+++ b/app/controllers/weapps/challenges_controller.rb
@@ -0,0 +1,23 @@
+class Weapps::ChallengesController < Weapps::BaseController
+  before_action :require_login
+  before_action :set_challenge
+
+  def is_play
+    # 关卡有展示效果 || 选择题 || jupyter实训 || 隐藏代码窗口 || html+css实训
+    play = @challenge.show_type != -1 || @challenge.st == 1 || @shixun.is_jupyter? ||
+        @shixun.hide_code? || (@shixun.small_mirror_name & ["Css", "Html", "Web"]).present?
+    if play
+      normal_status(-5, "该关卡暂不支持小程序")
+    else
+      render_ok
+    end
+  end
+
+
+  private
+  def set_challenge
+    @challenge = Challenge.find_by!(id: params[:id])
+    @shixun = @challenge.shixun
+  end
+
+end
diff --git a/app/controllers/weapps/unbind_accounts_controller.rb b/app/controllers/weapps/unbind_accounts_controller.rb
new file mode 100644
index 000000000..4698108e3
--- /dev/null
+++ b/app/controllers/weapps/unbind_accounts_controller.rb
@@ -0,0 +1,15 @@
+class Weapps::UnbindAccountsController < Weapps::BaseController
+  before_action :require_login
+
+  def show
+    @user = current_user
+  end
+
+  def destroy
+    open_user = OpenUsers::Wechat.find_by!(user_id: current_user.id)
+    open_user.update!(user_id: nil)
+    UserAction.create(action_id: current_user.id, action_type: "UnbindWechat", user_id: current_user.id, :ip => request.remote_ip)
+    logout_user
+    render_ok
+  end
+end
\ No newline at end of file
diff --git a/app/models/mirror_repository.rb b/app/models/mirror_repository.rb
index 96a92e5e7..315813e51 100644
--- a/app/models/mirror_repository.rb
+++ b/app/models/mirror_repository.rb
@@ -8,6 +8,7 @@ class MirrorRepository < ApplicationRecord
   scope :published_mirror, -> { where(status: [1,2,3,5]) }
   scope :published_main_mirror, -> { published_mirror.where(main_type: 1) }
   scope :published_small_mirror, -> { published_mirror.where(main_type: 0) }
+  scope :small_mirror, -> { where(main_type: 0) }
 
   def deletable?
     status != 1 && !shixun_mirror_repositories.exists?
diff --git a/app/models/shixun.rb b/app/models/shixun.rb
index 30c27ba94..c3c5cec78 100644
--- a/app/models/shixun.rb
+++ b/app/models/shixun.rb
@@ -171,7 +171,8 @@ class Shixun < ApplicationRecord
 
   # 实训对应的镜像小类别名（已选）
   def small_mirror_name
-    mirror_repositories.published_small_mirror.map(&:type_name)
+    names = mirror_repositories.small_mirror.map(&:type_name)
+    names.blank? ? [] : names
   end
 
   def small_mirror_id
diff --git a/app/views/weapps/unbind_accounts/show.json.jbuilder b/app/views/weapps/unbind_accounts/show.json.jbuilder
new file mode 100644
index 000000000..057823247
--- /dev/null
+++ b/app/views/weapps/unbind_accounts/show.json.jbuilder
@@ -0,0 +1 @@
+json.user_account @user.phone.present? ? @user.phone : @user.mail
diff --git a/config/routes.rb b/config/routes.rb
index 971c1859f..9eef49bfc 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1019,6 +1019,7 @@ Rails.application.routes.draw do
       resource :code_session, only: [:create]
       resource :verify, only: [:create]
       resource :check_account, only: [:create]
+      resource :unbind_accounts, only: [:show, :destroy]
 
       resources :searchs, only: [:index]
       resources :course_stickies, only: [:create] do
@@ -1027,6 +1028,9 @@ Rails.application.routes.draw do
 
       resources :shixun_lists, only: [:index]
       resources :subjects, path: :paths, only: [:index, :create, :update, :edit, :show]
+      resources :challenges do
+        get :is_play, on: :member
+      end
 
       resources :courses, only: [:create, :update, :edit, :show] do
         member do