From 8db22ad02c4a21afbd5ab4d78a911ad0953a52e1 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Fri, 1 Nov 2019 15:38:13 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4?=
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---
 app/controllers/courses_controller.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index ecc2ed2dd..7c0c40cfc 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -1266,7 +1266,7 @@ class CoursesController < ApplicationController
         @all_members = @course.students
         search = params[:search] ? "#{params[:search].strip}" : ""   #用户名或学生学号id搜索
         group_id = params[:group_id]  #分班的班级id
-        @all_members = @all_members.where(course_group_id: group_id) unless group_id.blank?
+        @all_members = @all_members.where(course_group_id: group_id.map(&:to_i)) unless group_id.blank?
         unless search.blank?
           @all_members = @all_members.joins(user: [:user_extension]).where('concat(users.lastname, users.firstname) like ? or user_extensions.student_id like ?',"%#{search}%","%#{search}%")
         end