diff --git a/server/app/adminapi/logic/stats/ConversionLogic.php b/server/app/adminapi/logic/stats/ConversionLogic.php
index 49136ffa..aadd5e0b 100644
--- a/server/app/adminapi/logic/stats/ConversionLogic.php
+++ b/server/app/adminapi/logic/stats/ConversionLogic.php
@@ -9,6 +9,7 @@ use app\adminapi\logic\tcm\DiagnosisLogic;
 use app\common\model\finance\AccountCost;
 use app\common\service\DataScope\DataScopeService;
 use app\common\service\qywx\MediaChannelService;
+use think\db\Query;
 use think\facade\Db;
 
 class ConversionLogic
@@ -904,10 +905,16 @@ class ConversionLogic
             ->leftJoin('tcm_diagnosis u', 'a.patient_id = u.id')
             ->where('a.appointment_date', '>=', $startDate)
             ->where('a.appointment_date', '<=', $endDate)
-            ->whereRaw('(u.id IS NULL OR u.delete_time IS NULL)')
             ->fieldRaw("{$sourceExpr} AS source_admin_id, a.patient_id AS diagnosis_id, COUNT(*) AS appointment_count, SUM(CASE WHEN a.status = 3 THEN 1 ELSE 0 END) AS interview_count")
             ->group("{$sourceExpr}, a.patient_id");
 
+        $query->where(static function (Query $subQuery): void {
+            $subQuery->whereNull('u.id')
+                ->whereOr(static function (Query $orQuery): void {
+                    $orQuery->whereNull('u.delete_time');
+                });
+        });
+
         if ($mediaChannel !== null) {
             $legacyChannelValues = MediaChannelService::getLegacyAppointmentChannelValues($mediaChannel);
             if ($legacyChannelValues !== []) {
@@ -976,7 +983,9 @@ class ConversionLogic
             ->where('o.status', 2)
             ->where('o.order_type', 1)
             ->where('o.amount', 5)
-            ->whereRaw('(o.payment_time IS NOT NULL AND o.payment_time <> "" AND o.payment_time >= ? AND o.payment_time <= ?)', [$startDateTime, $endDateTime])
+            ->whereNotNull('o.payment_time')
+            ->where('o.payment_time', '<>', '')
+            ->whereBetweenTime('o.payment_time', $startDateTime, $endDateTime)
             ->fieldRaw('o.creator_id AS source_admin_id, COUNT(*) AS paid_appointment_count')
             ->group('o.creator_id');
 
@@ -1896,7 +1905,8 @@ class ConversionLogic
             // 单条 LIKE 没命中再退化全表（量大时会慢，因此仅在极少数员工场景下兜底）。
             $followRows = Db::name('qywx_external_contact')
                 ->whereNull('delete_time')
-                ->whereRaw('follow_users IS NOT NULL AND follow_users <> ""')
+                ->whereNotNull('follow_users')
+                ->where('follow_users', '<>', '')
                 ->limit(2000)
                 ->field('follow_users')
                 ->select()
@@ -2385,4 +2395,5 @@ class ConversionLogic
 
         return round($numerator / $denominator, 2);
     }
+
 }