diff --git a/app/controllers/memos_controller.rb b/app/controllers/memos_controller.rb
index c0ea8d601..ef61ea202 100644
--- a/app/controllers/memos_controller.rb
+++ b/app/controllers/memos_controller.rb
@@ -12,7 +12,14 @@ class MemosController < ApplicationController
   def index
     @user = current_user
     @memos = Memo.all
-    s_order = (params[:order] == "replies_count" ? "all_replies_count" : params[:order]) || "updated_at"
+    # replies_count created_at updated_at
+    s_order =
+        case params[:order]
+        when 'replies_count' then 'all_replies_count'
+        when 'created_at' then 'created_at'
+        else
+          'updated_at'
+        end
     # @tidding_count = unviewed_tiddings(current_user) if current_user.present?
     page = params[:page] || 1
     limit = params[:limit] || 15
diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 3f202c994..b1920239c 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -70,7 +70,7 @@ class ShixunsController < ApplicationController
     end
 
 		## 排序参数
-		bsort = params[:sort] || 'desc'
+		bsort = (params[:sort] == "desc" ? "desc" : "asc")
 		case params[:order_by] || 'new'
 			when 'hot'
 				@shixuns = @shixuns.order("shixuns.public = 2 desc, shixuns.myshixuns_count #{bsort}")