修改

app/Http/Controllers/Api/ScreenController.php

@@ -291,7 +291,7 @@ class ScreenController extends BaseController
 
     //产量趋势图
     public function output_value_efficiency(Request $request){
-        $time = $timestampOneMonthAgo = strtotime('-1 month');
+        $time = strtotime('-2 month');
         $return = [];
         $data = ApplyOrderDetail::where('del_time',0)
             ->where('type',ApplyOrder::type_two)