update

app/Models/CourseSign.php

@@ -468,30 +468,47 @@ class CourseSign extends SoftDeletesModel
     public static function companyInvestedAfterEnrollment($start_date, $end_date, $course_ids = null, $retList = false)
     {
         $courseSignsQuery = self::getStudentList($start_date, $end_date, 1, $course_ids);
-        $courseSignsForInvest = $courseSignsQuery->with('user.company')->get();
+        $courseSignsForInvest = $courseSignsQuery->with(['user.company', 'course'])->get();
         $companiesAfterEnrollment = [];
         foreach ($courseSignsForInvest as $sign) {
             if ($sign->user && $sign->user->company && $sign->user->company->is_yh_invested == 1) {
-                $signDate = \Carbon\Carbon::parse($sign->created_at)->format('Y-m-d');
+                // 使用课程开课时间作为入学时间
-                // 从 project_users 中获取最早的被投时间
+                $enrollmentDate = null;
+                if ($sign->course && $sign->course->start_date) {
+                    $enrollmentDate = \Carbon\Carbon::parse($sign->course->start_date)->format('Y-m-d');
+                }
+
+                // 如果没有开课时间，跳过这条记录
+                if (!$enrollmentDate) {
+                    continue;
+                }
+
+                // 从 project_users 中检查是否有任何一个被投时间 >= 课程开课时间
                 $projectUsers = $sign->user->company->project_users;
+                $hasInvestAfterEnrollment = false;
                 $investDate = null;
                 if (!empty($projectUsers) && is_array($projectUsers)) {
                     foreach ($projectUsers as $projectUser) {
                         if (!empty($projectUser['investDate'])) {
-                            if ($investDate === null || $projectUser['investDate'] < $investDate) {
+                            $currentInvestDate = $projectUser['investDate'];
-                                $investDate = $projectUser['investDate'];
+                            // 只要有一个被投时间 >= 课程开课时间，就满足条件
+                            if ($currentInvestDate >= $enrollmentDate) {
+                                $hasInvestAfterEnrollment = true;
+                                // 记录满足条件的被投时间（如果有多个，记录最早的）
+                                if ($investDate === null || $currentInvestDate < $investDate) {
+                                    $investDate = $currentInvestDate;
                                 }
                             }
                         }
                     }
-                // 被投时间 >= 报名时间，说明是入学后被投
+                }
-                if ($investDate && $investDate >= $signDate) {
+                // 只要有一个被投时间 >= 课程开课时间，说明是入学后被投
+                if ($hasInvestAfterEnrollment && $investDate) {
                     $companyId = $sign->user->company->id;
                     if (!isset($companiesAfterEnrollment[$companyId])) {
                         $companiesAfterEnrollment[$companyId] = [
                             'company' => $sign->user->company,
-                            'first_sign_date' => $signDate,
+                            'first_sign_date' => $enrollmentDate,
                             'invest_date' => $investDate,
                             'users' => [],
                         ];