diff --git a/app/services/cnmoocs_service.rb b/app/services/cnmoocs_service.rb
index 02e6d54b..fbb8d55c 100644
--- a/app/services/cnmoocs_service.rb
+++ b/app/services/cnmoocs_service.rb
@@ -7,10 +7,12 @@ class CnmoocsService
     limit = params[:pageSize] || 16
     offset = page * limit.to_i
     shixuns = Shixun.select([:id, :identifier, :name, :myshixuns_count, :averge_star, :challenges_count, :trainee]).
-        where(status: 0, hidden: 0).order("myshixun_count desc")
+        where(status: 0, hidden: 0)
     shixun_count = shixuns.count
     pageCount = ((shixun_count / limit.to_f) == (shixun_count / limit)) ? (shixun_count / limit) : ((shixun_count / limit) + 1)
-    shixuns = shixuns.offset(offset).limit(limit)
+    Rails.logger.info("#####{pageCount}")
+    Rails.logger.info("#####{limit}")
+    shixuns = shixuns.order("myshixuns_count desc").offset(offset).limit(limit)
     shixun_list = shixun_data shixuns
     {error: 0, messages: "请求成功",
      page: {count: shixuns.count, totalCount: shixun_count, pageNo: page, pageSize: limit, pageCount: pageCount},
@@ -22,10 +24,10 @@ class CnmoocsService
     limit = params[:pageSize] || 16
     offset = page * limit.to_i
     shixuns = Shixun.select([:id, :identifier, :name, :myshixuns_count, :averge_star, :challenges_count, :trainee]).
-        where(status: 2, hidden: 0).where("name like ?", "%#{params[:name]}%").offset(offset).limit(limit)
+        where(status: 2, hidden: 0).where("name like ?", "%#{params[:name]}%")
     shixun_count = shixuns.count
     pageCount = ((shixun_count / limit.to_f) == (shixun_count / limit)) ? (shixun_count / limit) : ((shixun_count / limit) + 1)
-    shixuns = shixuns.offset(offset).limit(limit)
+    shixuns = shixuns.order("myshixuns_count desc").offset(offset).limit(limit)
     shixun_list = shixun_data shixuns
     {error: 0, messages: "请求成功",
      page: {count: shixuns.count, totalCount: shixun_count, pageNo: page, pageSize: limit, pageCount: pageCount},
@@ -69,7 +71,7 @@ class CnmoocsService
   private
   def shixun_data shixuns
     shixun_list = []
-    shixuns.includes(:tag_repertoires).find_each do |shixun|
+    shixuns.includes(:tag_repertoires).each do |shixun|
       tag_name = shixun.tag_repertoires.first.try(:name)
       level = %W(初级 中级 高级 顶级)[shixun.trainee - 1]
       shixun_list << {identifier: shixun.identifier, name: shixun.name, students_count: shixun.myshixuns_count,