调整商品数为0时，去库存提示系统错误

app/Endpoint/Api/Http/Controllers/Dealer/UserProductController.php

@@ -8,6 +8,7 @@ use App\Endpoint\Api\Http\Resources\Dealer\UserProductResource;
 use App\Exceptions\BizException;
 use App\Helpers\Paginator;
 use App\Models\DealerUserProductLog;
+use Illuminate\Database\QueryException;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 use Throwable;
@@ -76,6 +77,12 @@ class UserProductController extends Controller
                 'remark'=>$input['remark'] ?? null,
             ]);
             DB::commit();
+        } catch (QueryException $e) {
+            DB::rollBack();
+            if (strpos($e->getMessage(), 'Numeric value out of range') !== false) {
+                $e = new BizException('库存不足');
+            }
+            throw $e;
         } catch (Throwable $th) {
             DB::rollBack();
             report($th);