更改：排序正序倒序

app/models/issue.rb

@@ -119,8 +119,8 @@ class Issue < ApplicationRecord
   }
   
   scope :ordered_by_assigner, -> (sort_direction) {
-    order("CASE WHEN u.id IS NULL THEN 1 ELSE 0 END #{sort_direction}")
-    .order("COALESCE(u.nickname, u.login) DESC")
+    order("CASE WHEN u.id IS NULL THEN 1 ELSE 0 END ASC")
+    .order("COALESCE(u.nickname, u.login) #{sort_direction}")
   }
   after_create :incre_project_common, :incre_user_statistic, :incre_platform_statistic
   before_save :check_pm_and_update_due_date