diff --git a/lib/tasks/batch_add_contributors.rake b/lib/tasks/batch_add_contributors.rake
index 1e9e5c57a..633ee869e 100644
--- a/lib/tasks/batch_add_contributors.rake
+++ b/lib/tasks/batch_add_contributors.rake
@@ -40,15 +40,19 @@ namespace :batch_add_contributors do
           # user_id = user&.id || project.user_id
           commit_date =  Time.parse(commit['commit']['author']['date'])
           commit_date_str = commit_date.strftime("%Y-%m-%d %H:%M:%S")
-          sql_connection = ActiveRecord::Base.connection
-          sql_connection.begin_db_transaction
-          if Issue.find_by_sql("select id from commit_contributors where name='#{commiter['email']}'").present?
-            sql = "update commit_contributors set created_at ='#{commit_date_str}' where name='#{commiter['email']}'"
+          site = Site.find_by_sql("select id, created_at from commit_contributors where name='#{commiter['email']}'")
+          if site.present?
+            puts "commit_date====#{commit_date},created_at======#{site.first&.created_at}"
+            if commit_date.to_i < site.created_at.to_i
+              sql = "update commit_contributors set created_at ='#{commit_date_str}' where name='#{commiter['email']}'"
+            end
           else
             sql = "INSERT INTO commit_contributors (`created_at`, `count`, `name`) VALUES ('#{commit_date_str}',1,'#{commiter['email']}')"
           end
           puts "sql====#{sql}"
 
+          sql_connection = ActiveRecord::Base.connection
+          sql_connection.begin_db_transaction
           sql_connection.execute(sql)
           sql_connection.commit_db_transaction
 
@@ -90,10 +94,8 @@ namespace :batch_add_contributors do
       # user_id = user&.id || project.user_id
       commit_date =  Time.parse(commit['commit']['author']['date'])
       commit_date_str = commit_date.strftime("%Y-%m-%d %H:%M:%S")
-
-      sql_connection = ActiveRecord::Base.connection
-      sql_connection.begin_db_transaction
       site = Site.find_by_sql("select id, created_at from commit_contributors where name='#{commiter['email']}'")
+
       if site.present?
         puts "commit_date====#{commit_date},created_at======#{site.first&.created_at}"
         if commit_date.to_i < site.created_at.to_i
@@ -104,6 +106,8 @@ namespace :batch_add_contributors do
       end
       puts "sql====#{sql}"
 
+      sql_connection = ActiveRecord::Base.connection
+      sql_connection.begin_db_transaction
       sql_connection.execute(sql)
       sql_connection.commit_db_transaction