修改bug。新增牛只，超链接

backend/controllers/electronicFenceController.js

@@ -122,7 +122,8 @@ class ElectronicFenceController {
         type = 'collector',
         description = '',
         coordinates,
-        farm_id = null
+        farm_id = null,
+        is_active = true
       } = req.body
 
       // 验证必填字段
@@ -152,6 +153,7 @@ class ElectronicFenceController {
         center_lat: parseFloat(center.lat.toFixed(7)), // 限制精度为7位小数
         area,
         farm_id,
+        is_active,
         created_by: req.user?.id || 1 // 默认使用管理员ID
       })