diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index f4893db..e7178c7 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -177,7 +177,7 @@ class CourseSign extends SoftDeletesModel
     {
         $courseSignsQuery = self::getStudentList($start_date, $end_date, 1, $course_ids);
         $courseSigns = $courseSignsQuery->whereHas('user', function ($query) {
-            $query->where('from', '%' . '跟班学员' . '%');
+            $query->where('from', 'like', '%跟班学员%');
         })->get();
 
         if ($retList) {
@@ -376,7 +376,7 @@ class CourseSign extends SoftDeletesModel
     {
         $courseSignsQuery = self::getStudentList($start_date, $end_date, 1, $course_ids);
         $courseSigns = $courseSignsQuery->whereHas('user', function ($query) {
-            $query->where('from', '%' . '跟班学员' . '%');
+            $query->where('from', 'like', '%跟班学员%');
         })->get();
         if ($retList) {
             return User::with('company')->whereIn('id', $courseSigns->pluck('user_id'))->get();