diff --git a/lib/tasks/statistic_subject_info.rake b/lib/tasks/statistic_subject_info.rake
index 0b7ac7a12..cf9d7c32e 100644
--- a/lib/tasks/statistic_subject_info.rake
+++ b/lib/tasks/statistic_subject_info.rake
@@ -57,7 +57,6 @@ namespace :subjects do
           str << ("(#{subject.id}, #{key[:school_id]}, '#{key[:school_name]}', #{key[:course_count]}, " +
               "#{key[:student_count]}, #{key[:choice_shixun_num]}, #{key[:choice_shixun_frequency]}, " +
               "'#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')")
-          puts "str: #{str}"
           if str.size == 1000
             sql = "REPLACE INTO subject_course_records(#{column_value}) VALUES #{str.uniq.join(",")}"
             str_c = str