diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index 2a49267ca..86b54d626 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -208,13 +208,14 @@ class IssuesController < ApplicationController
 
       if params[:status_id].to_i == 5
         @issue.issue_times.update_all(end_time: Time.now)
+        @issue.update_closed_issues_count_in_project!
       end
 
-      if @issue.issue_type.to_s == "2" 
+      if @issue.issue_type.to_s == "2"
         #表示修改token值
         if @issue.saved_change_to_attribute("token")
           last_token = @issue.token_was
-          change_token = last_token - @issue.token 
+          change_token = last_token - @issue.token
           change_type = change_token > 0 ? "addToken" : "minusToken"
           change_params = {
             change_type: change_type,
@@ -222,7 +223,7 @@ class IssuesController < ApplicationController
           }.merge(tokens_params(@proeject))
           ChangeTokenJob.perform_later(change_params)
         end
-        
+
       end
 
       @issue.create_journal_detail(change_files, issue_files, issue_file_ids, current_user&.id)
@@ -433,6 +434,6 @@ class IssuesController < ApplicationController
       reponame: project.try(:identifer),
       username: current_user.try(:login)
     }
-  
+
   end
 end
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 4f00ea0ce..be539aea1 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -25,6 +25,7 @@ class Issue < ApplicationRecord
   scope :issue_index_includes, ->{includes(:user,:tracker, :priority, :version, :issue_status, :journals, :issue_times)}
 
   after_update :change_versions_count
+  after_destroy :update_closed_issues_count_in_project!
 
 
   def get_assign_user
@@ -102,4 +103,8 @@ class Issue < ApplicationRecord
     end
   end
 
+  def update_closed_issues_count_in_project!
+    self.project.decrement!(:closed_issues_count)
+  end
+
 end
diff --git a/app/models/project.rb b/app/models/project.rb
index a5ae46256..4e2904731 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -118,9 +118,6 @@ class Project < ApplicationRecord
     members.select(:id).size
   end
 
-  def issues_count
-    issues.select(:id).size
-  end
 
   def can_visited?
     is_public? || User.current.admin? || member?(User.current)
@@ -138,4 +135,8 @@ class Project < ApplicationRecord
     self.pull_requests.select(:user_id).pluck(:user_id).uniq.size
   end
 
+  def open_issues_count
+    issues_count - closed_issues_count
+  end
+
 end