diff --git a/apps/ofm/migrations/0002_remove_vehicleuse_vehiclereg.py b/apps/ofm/migrations/0002_remove_vehicleuse_vehiclereg.py
new file mode 100644
index 00000000..553dc1d1
--- /dev/null
+++ b/apps/ofm/migrations/0002_remove_vehicleuse_vehiclereg.py
@@ -0,0 +1,17 @@
+# Generated by Django 3.2.12 on 2025-11-18 07:39
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ofm', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='vehicleuse',
+            name='vehiclereg',
+        ),
+    ]
diff --git a/apps/ofm/models.py b/apps/ofm/models.py
index 379f57bf..6d5881cc 100644
--- a/apps/ofm/models.py
+++ b/apps/ofm/models.py
@@ -55,7 +55,6 @@ class VehicleReg(CommonADModel):
 
 class VehicleUse(CommonBDModel):
     """TN: 用车记录"""
-    vehiclereg = models.ForeignKey(VehicleReg, on_delete=models.CASCADE, related_name="vehicle_record", null=True, blank=True)
     location = models.CharField('出发地点', null=True, blank=True, max_length=100)
     via = models.CharField('途经地点', null=True, blank=True, max_length=100)
     destination = models.CharField('到达地点', null=True, blank=True, max_length=100)
diff --git a/apps/ofm/serializers.py b/apps/ofm/serializers.py
index fe6bfcfc..8152d876 100644
--- a/apps/ofm/serializers.py
+++ b/apps/ofm/serializers.py
@@ -71,7 +71,7 @@ class VehicleRecordSerializer(CustomModelSerializer):
 
 
 class VehicleUseSerializer(CustomModelSerializer):
-    vehiclereg = serializers.PrimaryKeyRelatedField(queryset=VehicleReg.objects.all(), write_only=True, label="车辆信息")
+    vehreg = serializers.PrimaryKeyRelatedField(queryset=VehicleReg.objects.all(), write_only=True, label="车辆信息")
     vdate = serializers.DateField(write_only=True, label="预订日期")
     slots = serializers.ListField(child=serializers.IntegerField(), write_only=True, label="时段索引")
     create_by_name = serializers.CharField(source='create_by.username', read_only=True)
@@ -85,7 +85,7 @@ class VehicleUseSerializer(CustomModelSerializer):
         extra_kwargs = {'belong_dept': {'required': True}}
     
     def create(self, validated_data):
-        vehreg = validated_data.pop('vehiclereg')
+        vehreg = validated_data.pop('vehreg')
         slots = validated_data.pop('slots')
         vdate = validated_data.pop('vdate')
         vehicle_use = super().create(validated_data)
@@ -100,7 +100,7 @@ class VehicleUseSerializer(CustomModelSerializer):
         return vehicle_use
 
     def update(self, instance, validated_data):
-        vehreg = validated_data.pop('vehiclereg')
+        vehreg = validated_data.pop('vehreg')
         slots = validated_data.pop('slots')
         vdate = validated_data.pop('vdate')
         vehicle_use = super().update(instance, validated_data)