diff --git a/lib/tasks/sync_trustie_program_question.rake b/lib/tasks/sync_trustie_program_question.rake
index a544cff45..cd214e438 100644
--- a/lib/tasks/sync_trustie_program_question.rake
+++ b/lib/tasks/sync_trustie_program_question.rake
@@ -24,7 +24,7 @@ namespace :sync_program do
             end
           end
           # 新建知识点
-          hack_code_params = {code: Base64.encode64(program.standard_code), language: program.oj_language}
+          hack_code_params = {code: program.standard_code.blank? ? nil : Base64.encode64(program.standard_code), language: program.oj_language}
           hack_codes = hack.hack_codes.new(hack_code_params)
           hack_codes.modify_time = Time.now
           hack_codes.save!