修复：无法正常查询关联数据

app/models/issue.rb

@@ -72,6 +72,7 @@ class Issue < ApplicationRecord
   has_many :assigners, through: :issue_assigners
   has_many :issue_participants
   has_many :participants, through: :issue_participants
+  has_many :comment_journals, -> {where.not(notes: nil)}, class_name: "Journal", :as => :journalized
 
   scope :issue_includes, ->{includes(:user)}
   scope :issue_many_includes, ->{includes(journals: :user)}

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

@@ -38,7 +38,7 @@ class Api::V1::Issues::ListService < ApplicationService
 
   private 
   def issue_query_data 
-    issues = @project.issues.issue_issue.joins(:journals).where.not(journals: {notes: nil})
+    issues = @project.issues.issue_issue
 
     case category 
     when 'closed'
@@ -76,10 +76,10 @@ class Api::V1::Issues::ListService < ApplicationService
     # keyword
     q = issues.ransack(subject_or_description_cont: keyword)
 
-    scope = q.result.includes(:priority, :issue_status, :user, :assigners, :version, :issue_tags, :journals)
+    scope = q.result.includes(:priority, :issue_status, :user, :assigners, :version, :issue_tags, :comment_journals)
 
 
-    scope = scope.reorder("issues.#{sort_by} #{sort_direction}")
+    scope = scope.reorder("issues.#{sort_by} #{sort_direction}").distinct
 
     @queried_issues = scope
   end

app/views/api/v1/issues/_simple_detail.json.jbuilder

@@ -17,4 +17,4 @@ end
 json.assigners issue.assigners.each do |assigner| 
   json.partial! "api/v1/users/simple_user", locals: {user: assigner}
 end
-json.journals_count issue.journals.size
+json.journals_count issue.comment_journals.size

app/views/api/v1/issues/index.json.jbuilder

@@ -1,4 +1,4 @@
-# json.total_count @issues.total_count 
+json.total_count @issues.total_count 
 json.issues @issues.each do |issue| 
   json.partial! "simple_detail", locals: {issue: issue}
 end