更改：删除工作项需删除子工作项

app/services/api/v1/issues/delete_service.rb

@@ -15,7 +15,7 @@ class Api::V1::Issues::DeleteService < ApplicationService
     raise Error, errors.full_messages.join(", ") unless valid? 
     try_lock("Api::V1::Issues::DeleteService:#{project.id}") # 开始写数据，加锁
 
-    delete_be_linkable_issues
+    delete_zi_issues
 
     delete_issue
 
@@ -40,10 +40,9 @@ class Api::V1::Issues::DeleteService < ApplicationService
     raise Error, "删除疑修失败！" unless issue.destroy!
   end
 
-  def delete_be_linkable_issues
-    pmlink_ids = PmLink.where(linkable: issue).pluck(:be_linkable_id)
-    linkable_issues = Issue.where(id: pmlink_ids)
-    raise Error, "删除疑修关联项失败！" unless linkable_issues.destroy_all
+  def delete_zi_issues
+    zi_issues = Issue.where(pm_project_id:issue.pm_project_id, root_id: issue.id)
+    raise Error, "删除疑修关联项失败！" unless zi_issues.destroy_all
   end
 
 end