diff --git a/apps/em/migrations/0002_equipment_power_kw.py b/apps/em/migrations/0002_equipment_power_kw.py
new file mode 100644
index 00000000..d807f0b8
--- /dev/null
+++ b/apps/em/migrations/0002_equipment_power_kw.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2023-06-30 09:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('em', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='equipment',
+            name='power_kw',
+            field=models.PositiveSmallIntegerField(blank=True, null=True, verbose_name='功率'),
+        ),
+    ]
diff --git a/apps/em/models.py b/apps/em/models.py
index ef5cf733..d3a919e4 100644
--- a/apps/em/models.py
+++ b/apps/em/models.py
@@ -63,6 +63,7 @@ class Equipment(CommonBModel):
     cycle = models.PositiveSmallIntegerField('校准或检定周期(月)', null=True, blank=True)
     check_date = models.DateField('最近校准检查日期', blank=True, null=True)
     next_check_date = models.DateField('预计下次校准检查日期',blank=True, null=True)
+    power_kw = models.PositiveSmallIntegerField('功率', null=True, blank=True)
 
     class Meta:
         verbose_name = '设备信息'
diff --git a/apps/em/serializers.py b/apps/em/serializers.py
index 3f09b7fc..4021f494 100644
--- a/apps/em/serializers.py
+++ b/apps/em/serializers.py
@@ -6,8 +6,8 @@ from rest_framework import serializers
 
 class EquipmentSerializer(CustomModelSerializer):
     belong_dept = serializers.PrimaryKeyRelatedField(label='责任部门', queryset = Dept.objects.all())
-    keeper_name = serializers.CharField(source='keeper.name')
-    belong_dept_name = serializers.CharField(source='belong_dept.name')
+    keeper_name = serializers.CharField(source='keeper.name', read_only=True)
+    belong_dept_name = serializers.CharField(source='belong_dept.name', read_only=True)
     class Meta:
         model = Equipment
         fields = '__all__'