diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 1c937aa79..dfca5fa48 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -619,7 +619,7 @@ class ApplicationController < ActionController::Base
 
 	def kaminari_paginate(relation)
 		limit = params[:limit] || params[:per_page]
-		limit = (limit.to_i.zero? || limit.to_i > 20) ? 20 : limit.to_i
+		limit = (limit.to_i.zero? || limit.to_i > 25) ? 25 : limit.to_i
 		page  = params[:page].to_i.zero? ? 1 : params[:page].to_i
 
 		relation.page(page).per(limit)
diff --git a/app/models/trace_user.rb b/app/models/trace_user.rb
index 1d2cd0b4c..69198706e 100644
--- a/app/models/trace_user.rb
+++ b/app/models/trace_user.rb
@@ -32,7 +32,7 @@ class TraceUser < ApplicationRecord
     self.username = user.login 
     self.password = SecureRandom.hex
     self.unit = user.custom_department.blank? ? 'GitLink' : user.custom_department
-    self.telnumber = user.phone
+    self.telnumber = user.phone || ""
     self.email = user.mail 
     self.name = user.nickname.blank? ? user.login : user.nickname 
 
@@ -41,7 +41,7 @@ class TraceUser < ApplicationRecord
 
 
   def build_token 
-    return if username.blank? || password.blank? || unit.blank? || telnumber.blank? || email.blank? || name.blank? 
+    return if username.blank? || password.blank? || unit.blank? || email.blank? || name.blank? 
 
     response = Trace::AddUserService.call(username, password, unit, telnumber, email, name)
     self.token = response[1]['token']
@@ -49,7 +49,7 @@ class TraceUser < ApplicationRecord
   end
 
   def refresh_token 
-    return if username.blank? || password.blank? || unit.blank? || telnumber.blank? || email.blank? || name.blank? 
+    return if username.blank? || password.blank? || unit.blank? || email.blank? || name.blank? 
 
     response = Trace::LoginService.call(username, password)
     self.token = response[1]['token']
diff --git a/app/services/api/v1/projects/pulls/versions/get_diff_service.rb b/app/services/api/v1/projects/pulls/versions/get_diff_service.rb
index 1a4f144af..979bc33fb 100644
--- a/app/services/api/v1/projects/pulls/versions/get_diff_service.rb
+++ b/app/services/api/v1/projects/pulls/versions/get_diff_service.rb
@@ -26,6 +26,7 @@ class Api::V1::Projects::Pulls::Versions::GetDiffService < ApplicationService
       access_token: token
     }
     params.merge!(filepath: filepath) if filepath.present?
+    params
   end
 
   def load_gitea_data 
diff --git a/app/views/api/v1/projects/blame.json.jbuilder b/app/views/api/v1/projects/blame.json.jbuilder
index 8dfa6c8a4..883eb2e70 100644
--- a/app/views/api/v1/projects/blame.json.jbuilder
+++ b/app/views/api/v1/projects/blame.json.jbuilder
@@ -16,6 +16,7 @@ json.blame_parts @result_object['blame_parts'] do |part|
     json.committed_time render_unix_time(part['commit']['committed_time'])
     json.created_time render_unix_time(part['commit']['created_time'])
   end
+  json.previous_number part['previous_number']
   json.current_number part['current_number']
   json.effect_line part['effect_line']
   json.lines part['lines']