diff --git a/app/Http/Controllers/Admin/OtherController.php b/app/Http/Controllers/Admin/OtherController.php
index ffa36b1..3255264 100755
--- a/app/Http/Controllers/Admin/OtherController.php
+++ b/app/Http/Controllers/Admin/OtherController.php
@@ -275,7 +275,7 @@ class OtherController extends CommonController
         $list['company_market_after_enrollment_total'] = CourseSign::companyMarketAfterEnrollment($start_date, $end_date, $course_ids);
 
         // 累计被投企业数
-        $list['course_signs_invested'] = CourseSign::yhInvested(CourseType::START_DATE, $end_date);
+        $list['course_signs_invested'] = CourseSign::yhInvestedTotal(CourseType::START_DATE, $end_date);
         dd(1);
         // 入学后被投企业数量（在指定时间范围内报名的学员所在公司中，在入学后被投的公司数量）
         $list['company_invested_after_enrollment_total'] = CourseSign::companyInvestedAfterEnrollment($start_date, $end_date, $course_ids);
diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index a42bd54..f6efb19 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -169,6 +169,51 @@ class CourseSign extends SoftDeletesModel
         }
     }
 
+    /**
+     * 累计被投企业统计
+     * @param string|null $start_date 开始日期
+     * @param string|null $end_date 结束日期
+     * @param array|null $course_ids 课程ID（仅在自定义时间时生效）
+     * @param bool $retList 是否返回列表
+     */
+    public static function yhInvestedTotal($start_date, $end_date = null, $retList = false)
+    {
+        // 默认时间：获取所有学员，不限制课程
+        $userIds = self::getStudentList($start_date, $end_date, 1, null)->get()->pluck('user_id');
+
+        // 获取这些学员所在的被投企业
+        $companies = Company::whereHas('users', function ($query) use ($userIds) {
+            $query->whereIn('id', $userIds);
+        })->where('is_yh_invested', 1)->get();
+        // 自定义时间：需要按被投时间筛选
+
+        $startDate = substr($start_date, 0, 10);
+        $endDate = substr($end_date, 0, 10);
+        dd($startDate, $endDate);
+        // 筛选出被投时间在范围内的企业
+        $filteredCompanies = [];
+        foreach ($companies as $company) {
+            $projectUsers = $company->project_users ?? [];
+            foreach ($projectUsers as $item) {
+                $investDate = $item['investDate'] ?? null;
+                // 检查被投时间是否在范围内
+                if ($investDate && $investDate >= $startDate && $investDate <= $endDate) {
+                    $filteredCompanies[] = $company;
+                    break; // 只要有一条满足就加入
+                }
+            }
+        }
+        $companies = collect($filteredCompanies);
+
+
+        // 返回结果
+        if ($retList) {
+            return $companies->values();
+        } else {
+            return $companies->count();
+        }
+    }
+
     /**
      * 被投企业统计
      * @param string|null $start_date 开始日期
@@ -195,8 +240,8 @@ class CourseSign extends SoftDeletesModel
         })->where('is_yh_invested', 1)->get();
         // 自定义时间：需要按被投时间筛选
         if (!$isDefaultDate) {
-           // $startDate = substr($start_date, 0, 10);
-           // $endDate = substr($end_date, 0, 10);
+            // $startDate = substr($start_date, 0, 10);
+            // $endDate = substr($end_date, 0, 10);
             dd($start_date, $end_date);
             // 筛选出被投时间在范围内的企业
             $filteredCompanies = [];