diff --git a/app/services/api/v1/issues/delete_service.rb b/app/services/api/v1/issues/delete_service.rb
index 02b2b533c..4d7ff7cfc 100644
--- a/app/services/api/v1/issues/delete_service.rb
+++ b/app/services/api/v1/issues/delete_service.rb
@@ -16,6 +16,8 @@ class Api::V1::Issues::DeleteService < ApplicationService
     try_lock("Api::V1::Issues::DeleteService:#{project.id}") # 开始写数据，加锁
 
     delete_issue
+    #删除双向关联
+    PmLink.where(be_linkable_id: @issue.id, be_linkable_type: 'Issue').or(PmLink.where(linkable_id: @issue.id, linkable_type: 'Issue')).map(&:destroy)
 
     project.incre_project_issue_cache_delete_count