diff --git a/app/controllers/commit_logs_controller.rb b/app/controllers/commit_logs_controller.rb
index c62c13000..3be1794a7 100644
--- a/app/controllers/commit_logs_controller.rb
+++ b/app/controllers/commit_logs_controller.rb
@@ -15,6 +15,7 @@ class CommitLogsController < ApplicationController
     owner = User.find_by(login: owner_name)
     project = Project.where(identifier: repository_name).where(user_id: owner&.id)&.first
     project = Project.where(identifier: repository_name).where(gpid: repository_id)&.first if project.blank?
+    project.update_column(:updated_on, Time.now) if project.present?
     params[:commits].each do |commit|
       commit_id = commit[:id]
       message = commit[:message]
diff --git a/app/controllers/ob_repository_syncs_controller.rb b/app/controllers/ob_repository_syncs_controller.rb
index ebae8e427..90f7fd6fd 100644
--- a/app/controllers/ob_repository_syncs_controller.rb
+++ b/app/controllers/ob_repository_syncs_controller.rb
@@ -34,7 +34,7 @@ class ObRepositorySyncsController < ApplicationController
   def delete
     service = ObRepositorySync::ApiService.new(@ob_repository_sync.name)
     res = service.delete_project @ob_repository_sync.sync_id
-    tip_exception "保存失败: #{res["msg"]}" if res["code"].to_s != "200"
+    tip_exception "删除失败: #{res["msg"]}" if res["code"].to_s != "200"
     if res["code"].to_s == "200"
       @ob_repository_sync.destroy!
     end
@@ -43,14 +43,17 @@ class ObRepositorySyncsController < ApplicationController
 
   def jobs
     tip_exception "该项目未创建同步任务" if @ob_repository_sync.blank?
+    page = params[:page] || 1
+    limit = params[:limit] || 10
     service = ObRepositorySync::ApiService.new(@ob_repository_sync.name)
-    res = service.get_projects_jobs
-    data = res["data"]["list"]
+    source = ""
     if params[:type] && params[:type].to_s.downcase == "github"
-      data = data.select { |row| row["github_branch"].present? }
+      source = "github_branch"
     elsif params[:type] && params[:type].to_s.downcase == "gitee"
-      data = data.select { |row| row["gitee_branch"].present? }
+      source = "gitee_branch"
     end
+    res = service.get_projects_jobs(source, page, limit)
+    data = res["data"]["list"]
     render_ok(count: res["data"]["total"], data: data)
   end
 
@@ -83,7 +86,7 @@ class ObRepositorySyncsController < ApplicationController
     tip_exception "缺少参数job_id" if params[:job_id].blank?
     service = ObRepositorySync::ApiService.new(@ob_repository_sync.name)
     res = service.delete_job params[:job_id]
-    tip_exception "保存失败: #{res["msg"]}" if res["code"].to_s != "200"
+    tip_exception "删除失败: #{res["msg"]}" if res["code"].to_s != "200"
     job = ObRepositorySyncJob.find_by(ob_repository_sync_id: @ob_repository_sync.id, job_id: params[:job_id])
     job.destroy! if job.present?
     render_ok
diff --git a/app/controllers/traces/base_controller.rb b/app/controllers/traces/base_controller.rb
index 2b857d232..30970a5b8 100644
--- a/app/controllers/traces/base_controller.rb
+++ b/app/controllers/traces/base_controller.rb
@@ -1,7 +1,7 @@
 class Traces::BaseController < ApplicationController
 
   helper_method :observed_logged_user?, :observed_user
-
+  before_action :check_trace_system
 
   def observed_user
     @_observed_user ||= (User.find_by_login(params[:user_id]) || User.find_by_id(params[:user_id]))
@@ -15,4 +15,12 @@ class Traces::BaseController < ApplicationController
   def check_auth 
     return render_forbidden unless current_user.admin? || observed_logged_user?
   end
+
+  def check_trace_system
+    code, data, error = Trace::SystemInfoService.call(current_user.trace_token)
+    return render_ok({code: 501, data: {operate_time: data['operate_time']}, message: '系统维护中'}) if data['status'] === 0
+  rescue 
+    # 这里根据需求跳转到404
+    return render_not_found
+  end
 end
\ No newline at end of file
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 25b642d73..936452470 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -95,21 +95,31 @@ module ApplicationHelper
     timePassed = currentTime - lastUpdateTime
     timeIntoFormat = 0
     updateAtValue = ""
-    if timePassed < 0
+
+    if timePassed <= 0
       updateAtValue = "刚刚"
+    elsif timePassed < 2 * 1000
+      updateAtValue = "1秒前"
     elsif timePassed < ONE_MINUTE
       updateAtValue = "1分钟前"
     elsif timePassed < ONE_HOUR
       timeIntoFormat = timePassed / ONE_MINUTE
       updateAtValue = timeIntoFormat.to_s + "分钟前"
     elsif (timePassed < ONE_DAY)
-      timeIntoFormat = (timePassed.to_f / ONE_HOUR).ceil
+      timeIntoFormat = (timePassed.to_f / ONE_HOUR).round
+      timeIntoFormat == 1 if timeIntoFormat.to_i == 0
       updateAtValue = timeIntoFormat.to_s + "小时前"
     elsif (timePassed < ONE_MONTH)
-      timeIntoFormat = (timePassed.to_f / ONE_DAY).ceil
+      timeIntoFormat = (timePassed.to_f / ONE_DAY).round
+      timeIntoFormat == 1 if timeIntoFormat.to_i == 0
+      updateAtValue = timeIntoFormat.to_s + "天前"
+    elsif (timePassed < ONE_MONTH)
+      timeIntoFormat = (timePassed.to_f / ONE_DAY).round
+      timeIntoFormat == 1 if timeIntoFormat.to_i == 0
       updateAtValue = timeIntoFormat.to_s + "天前"
     elsif (timePassed < ONE_YEAR)
-      timeIntoFormat = (timePassed.to_f / ONE_MONTH).ceil
+      timeIntoFormat = (timePassed.to_f / ONE_MONTH).round
+      timeIntoFormat == 1 if timeIntoFormat.to_i == 0
       updateAtValue = timeIntoFormat.to_s + "个月前"
     else
       timeIntoFormat = timePassed / ONE_YEAR
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index 5bed0950c..c9ea87f9a 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -64,6 +64,7 @@ module ProjectsHelper
       project_language_id: project.project_language_id,
       license_id: project.license_id,
       jianmu_devops: jianmu_devops_code(project, user),
+      jianmu_devops_url: jianmu_devops_url,
       ignore_id: project.ignore_id
     }).compact
 
@@ -123,6 +124,10 @@ module ProjectsHelper
     end
   end
 
+  def jianmu_devops_url
+    EduSetting.get("jianmu_devops_url") || "https://ci-v3.test.jianmuhub.com"
+  end
+
   def aes_encrypt(key, des_text)
     # des_text='{"access_key_id":"STS.NTuC9RVmWfJqj3JkcMzPnDf7X","access_key_secret":"E8NxRZWGNxxMfwgt5nFLnBFgg6AzgXCZkSNCyqygLuHM","end_point":"oss-accelerate.aliyuncs.com","security_token":"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","bucket":"edu-bigfiles1","region":"oss-cn-hangzhou","callback_url":"https://data.educoder.net/api/buckets/callback.json","bucket_host":"data.educoder.net"}'
     # des = OpenSSL::Cipher::Cipher.new('aes-256-ctr')
diff --git a/app/models/version_release.rb b/app/models/version_release.rb
index 3c97420ea..00119f806 100644
--- a/app/models/version_release.rb
+++ b/app/models/version_release.rb
@@ -32,7 +32,8 @@ class VersionRelease < ApplicationRecord
   has_many :attachments, as: :container, dependent: :destroy
 
   def update_sha
+    return if version_gid.blank?
     git_release = Gitea::Versions::GetService.call(user.gitea_token, repository&.owner&.login, repository&.identifier, version_gid)
-    self.update(sha: git_release["sha"])
+    self.update(sha: git_release["sha"]) if git_release.present? && git_release.is_a?(Hash)
   end
 end
diff --git a/app/services/ob_repository_sync/api_service.rb b/app/services/ob_repository_sync/api_service.rb
index 5ecd48afa..293a65928 100644
--- a/app/services/ob_repository_sync/api_service.rb
+++ b/app/services/ob_repository_sync/api_service.rb
@@ -42,8 +42,8 @@ class ObRepositorySync::ApiService < ApplicationService
     res
   end
 
-  def get_projects_jobs
-    url = URI("#{domain}/cerobot/projects/#{@project_name}/jobs?pageSize=100&pageNum=1")
+  def get_projects_jobs(source, pageNum = 1, pageSize = 100)
+    url = URI("#{domain}/cerobot/projects/#{@project_name}/jobs?pageSize=#{pageSize}&pageNum=#{pageNum}&source=#{source}")
     http = Net::HTTP.new(url.host, url.port)
     request = Net::HTTP::Get.new(url)
     request["Content-Type"] = "application/json"
diff --git a/app/services/trace/system_info_service.rb b/app/services/trace/system_info_service.rb
new file mode 100644
index 000000000..0ffbae7ae
--- /dev/null
+++ b/app/services/trace/system_info_service.rb
@@ -0,0 +1,18 @@
+class Trace::SystemInfoService < Trace::ClientService 
+
+  attr_accessor :token
+
+  def initialize(token)
+    @token = token
+  end 
+
+  def call
+    result = authed_get(token, url)
+    response = render_response(result)
+  end
+
+  private 
+  def url 
+    '/user/systemInfo'.freeze
+  end
+end
\ No newline at end of file
diff --git a/app/views/users/messages/_message.json.jbuilder b/app/views/users/messages/_message.json.jbuilder
index 075613ce9..07040dfe5 100644
--- a/app/views/users/messages/_message.json.jbuilder
+++ b/app/views/users/messages/_message.json.jbuilder
@@ -6,6 +6,7 @@ json.status message["status"]
 json.content message["content"]
 json.notification_url message["notification_url"]
 json.source message["source"]
+json.created_at message["created_at"]
 json.time_ago time_from_now(message["created_at"].to_time)
 
 case message["type"]