diff --git a/app/models/project.rb b/app/models/project.rb
index 45b93cd00..32443e712 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -131,7 +131,7 @@ class Project < ApplicationRecord
   after_create :incre_user_statistic, :incre_platform_statistic
   after_save :check_project_members, :reset_cache_data
   before_save :set_invite_code, :reset_unmember_followed, :set_recommend_and_is_pinned
-  before_destroy :decre_project_common
+  before_destroy :decre_project_common, :decre_forked_from_project_count
   after_destroy :decre_user_statistic, :decre_platform_statistic
   scope :project_statics_select, -> {select(:id,:name, :is_public, :identifier, :status, :project_type, :user_id, :forked_count, :description, :visits, :project_category_id, :project_language_id, :license_id, :ignore_id, :watchers_count, :created_on)}
   scope :no_anomory_projects, -> {where("projects.user_id is not null and projects.user_id != ?", 2)}
@@ -173,6 +173,14 @@ class Project < ApplicationRecord
     CacheAsyncClearJob.perform_later('project_common_service', self.id)
   end
 
+  def decre_forked_from_project_count
+    forked_project = self.forked_from_project
+    if forked_project.present?
+      forked_project.decrement(:forked_count, 1)
+      forked_project.save
+    end
+  end
+
   def incre_user_statistic 
     CacheAsyncSetJob.perform_later("user_statistic_service", {project_count: 1, project_language_count_key: self.project_language&.name, project_language_count: 1}, self.user_id)
   end