diff --git a/lib/tasks/daily_update_star_for_shixun.rake b/lib/tasks/daily_update_star_for_shixun.rake
index f002395d..1f874932 100644
--- a/lib/tasks/daily_update_star_for_shixun.rake
+++ b/lib/tasks/daily_update_star_for_shixun.rake
@@ -3,7 +3,7 @@
 namespace :daily_update_star_for_shixun do
   desc "update star count every day for shixun "
   task :execute => :environment do
-    shixuns = Shixun.select("id, averge_star")
+    shixuns = Shixun.select("id, averge_star").order(updated_at: :desc)
     shixuns = shixuns.where(id: ENV['shixun_id']) if ENV['shixun_id'].present?
 
   	shixuns.find_in_batches(batch_size: 10000) do |group|
diff --git a/lib/tasks/update_myshixuns_count_for_shixun.rake b/lib/tasks/update_myshixuns_count_for_shixun.rake
index fe4f3ef3..0720dd16 100644
--- a/lib/tasks/update_myshixuns_count_for_shixun.rake
+++ b/lib/tasks/update_myshixuns_count_for_shixun.rake
@@ -3,7 +3,7 @@
 namespace :update_myshixuns_count_for_shixun do
   desc "update myshixuns count for shixun every day"
   task :execute => :environment do
-  	shixuns = Shixun.joins(:myshixuns).select("shixuns.id, COUNT(myshixuns.id) AS query_myshixuns_count").group("shixuns.id")
+  	shixuns = Shixun.joins(:myshixuns).select("shixuns.id, COUNT(myshixuns.id) AS query_myshixuns_count").group("shixuns.id").order("query_myshixuns_count DESC")
   	shixuns = shixuns.where(id: ENV['shixun_id']) if ENV['shixun_id'].present?
 
   	shixuns.find_in_batches(batch_size: 10000) do |group|