diff --git a/app/Models/OrderItems.php b/app/Models/OrderItems.php
index f609361..5496db7 100755
--- a/app/Models/OrderItems.php
+++ b/app/Models/OrderItems.php
@@ -166,16 +166,22 @@ class OrderItems extends SoftDeletesModel
     {
         $factors = json_decode($this->factors);
         $factor_texts = [];
-        foreach ($factors as $factor_item) {
-            if ($factor_item->used_for_fee) {
-                $add_text = "(管理费{$factor_item->fee_percent}%+{$factor_item->fee})";
-            } else {
-                $add_text = "";
+        if ($factors) {
+            foreach ($factors as $factor_item) {
+                if ($factor_item->used_for_fee) {
+                    $add_text = "(管理费{$factor_item->fee_percent}%+{$factor_item->fee})";
+                } else {
+                    $add_text = "";
+                }
+                $factor_texts[] = "{$factor_item->factor_name}：{$factor_item->factor_item_name}{$add_text}";
             }
-            $factor_texts[] = "{$factor_item->factor_name}：{$factor_item->factor_item_name}{$add_text}";
         }
         $this->factor_texts = $factor_texts;
 
+        if (!$this->product) {
+            return $this;
+        }
+
         switch ($this->product->fee_type) {
             case "factor":
                 $factor = collect($factors)->filter(function ($item) {
@@ -183,16 +189,25 @@ class OrderItems extends SoftDeletesModel
                 })->first();
                 if (!$factor) {
                     //todo:检查factors为什么没有进去、缺失的factors已经手工补录进去了
-                    $factor = (new Factor())
+                    $factorModel = (new Factor())
                         ->with("factorItems")
                         ->where("product_id", $this->product->id)
                         ->where("used_for_fee", 1)
-                        ->first()
-                        ->factorItems
                         ->first();
+                    if ($factorModel && $factorModel->factorItems) {
+                        $factor = $factorModel->factorItems->first();
+                    }
+                }
+
+                if (!$factor) {
+                    return $this;
                 }
 
                 //todo:考虑不同项目的情况，目前是全部统一
+                if (!$this->order) {
+                    return $this;
+                }
+
                 $holidays = cache("holidays_" . $this->order->project_id);
                 if (!$holidays) {
                     $holidays = Holiday::where("project_id", $this->order->project_id)->get()->keyBy("date")->toArray();
@@ -224,7 +239,7 @@ class OrderItems extends SoftDeletesModel
         $unpaid_order_items = (new OrderItems())
             ->whereHas("order", function ($query) use ($projects) {
                 $query->where("status", Orders::STATUS_ONGOING)
-                ->whereIn("project_id", $projects);
+                    ->whereIn("project_id", $projects);
             })
             ->where("total", ">", 0)
             ->whereNull("paid_at")