diff --git a/app/services/api/v1/issues/list_service.rb b/app/services/api/v1/issues/list_service.rb
index 79b8ac8f3..588e63236 100644
--- a/app/services/api/v1/issues/list_service.rb
+++ b/app/services/api/v1/issues/list_service.rb
@@ -71,13 +71,13 @@ class Api::V1::Issues::ListService < ApplicationService
     issues = issues.where(fixed_version_id: milestone_id) if milestone_id.present?
 
     #pm相关
-    # root_id
-    issues = if root_id.to_i == -1 ? # -1 查一级目录
-                issues.where(root_id: nil)
+    # root_id# -1 查一级目录
+    issues = if root_id.to_i == -1
+               issues.where(root_id: nil)
              elsif root_id.to_i.positive?
-                issues.where(root_id: root_id)
+               issues.where(root_id: root_id)
              else
-                issues
+               issues
              end
 
     # pm_issue_type