diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index bc0da8ffc..f9d9531f1 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -978,7 +978,8 @@ class ExercisesController < ApplicationController
               :status => nil,
               :commit_status => 0,
               :objective_score => 0.0,
-              :subjective_score => -1.0
+              :subjective_score => -1.0,
+              :commit_method => 0
           }
           redo_exercise_users = @exercise_users.exercise_commit_users(user_ids)
           redo_exercise_users.update_all(redo_option)
@@ -1102,10 +1103,10 @@ class ExercisesController < ApplicationController
     ActiveRecord::Base.transaction do
       begin
         can_commit_exercise = false
-        Rails.logger.info("######____________params[:commit_method]_________################{params[:commit_method]}")
-        if (@user_course_identity > Course::ASSISTANT_PROFESSOR) && params[:commit_method].present?  #为学生时
+        if @user_course_identity > Course::ASSISTANT_PROFESSOR  #为学生时
           if params[:commit_method].to_i == 2   #自动提交时
             user_left_time = get_exercise_left_time(@exercise,current_user)
+            Rails.logger.info("######__________auto_commit_user_left_time_________################{user_left_time}")
             if user_left_time.to_i <= 0
               can_commit_exercise = true
             end
@@ -1130,10 +1131,10 @@ class ExercisesController < ApplicationController
             CommitExercsieNotifyJobJob.perform_later(@exercise.id, current_user.id)
             normal_status(0,"试卷提交成功！")
           else
-            normal_status(-1,"提交失败，请重试!")
+            normal_status(-1,"提交失败，未到截止时间!")
           end
         else
-          normal_status(-1,"提交失败，请重试!")
+          normal_status(-1,"提交失败，当前用户不为课堂学生!")
         end
       rescue Exception => e
         uid_logger_error(e.message)