diff --git a/app/Http/Controllers/DeviceController.php b/app/Http/Controllers/DeviceController.php
index 8826a37..bb2ddf1 100644
--- a/app/Http/Controllers/DeviceController.php
+++ b/app/Http/Controllers/DeviceController.php
@@ -250,7 +250,7 @@ class DeviceController extends Controller
                         }else{//临时写一些假数据
                             switch($deviceColumn){
                                 case 'chlorine':
-                                    $data[$device->monitoring_point][$_key] = rand(0, 20) / 1000;;
+                                    $data[$device->monitoring_point][$_key] =  0.016;
                                     break;
                                 case 'conductivity':
                                     $data[$device->monitoring_point][$_key] = 563 ;//电导率
@@ -382,7 +382,7 @@ class DeviceController extends Controller
                                 $y[] = $value;
                             } else {
                                 $y[] = match ($deviceColumn) {
-                                    'chlorine' => rand(0, 20) / 1000,
+                                    'chlorine' =>  0.016,
                                     'conductivity' => 563,
                                     'oxygen' => 0.09,
                                     'ph' => rand(750, 770) / 100,
@@ -518,7 +518,7 @@ class DeviceController extends Controller
                 if($device->type == DeviceType::WaterQuality){//如果是水质设备，则写死假数据
                     switch($column){
                         case 'chlorine':
-                            $data[$column][$key] = rand(0, 20) / 1000;
+                            $data[$column][$key] = 0.016;
                             break;
                         case 'conductivity':
                             $data[$column][$key] = 563 ;//电导率