diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index 95afa7264..8d5ab7a9b 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -13,7 +13,7 @@ class StudentWorkController < ApplicationController
   ### 
   def program_test
     is_test = params[:is_test] == 'true'
-    resultObj = {status: 0, results: [], error_msg: '', time: Time.now}
+    resultObj = {status: 0, results: [], error_msg: '', time: Time.now.strftime('%Y-%m-%d %T')}
     unless is_test
       student_work = find_or_save_student_work
 
@@ -56,7 +56,7 @@ class StudentWorkController < ApplicationController
         end
         
         resultObj[:status] = result["status"].to_i
-        resultObj[:time] = Time.now.strftime('%Y%m%d %T')
+        resultObj[:time] = Time.now.strftime('%Y-%m-%d %T')
         resultObj[:index] = 0
       end