diff --git a/app/Http/Controllers/DeviceController.php b/app/Http/Controllers/DeviceController.php
index d9a53c7..ea6b23a 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] = 0;
+                                    $data[$device->monitoring_point][$_key] = 0.02;
                                     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' => 0,
+                                    'chlorine' => 0.02,
                                     'conductivity' => 563,
                                     'oxygen' => 0.09,
                                     'ph' => rand(750, 770) / 100,