diff --git a/hb_server/apps/inm/migrations/0012_auto_20211110_1413.py b/hb_server/apps/inm/migrations/0012_auto_20211110_1413.py
new file mode 100644
index 0000000..c34a020
--- /dev/null
+++ b/hb_server/apps/inm/migrations/0012_auto_20211110_1413.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.6 on 2021-11-10 06:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('inm', '0011_rename_fifodetail_fifoitem'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='fifoitem',
+            name='batch',
+            field=models.CharField(default='', max_length=100, verbose_name='批次号'),
+        ),
+        migrations.AlterField(
+            model_name='iproduct',
+            name='batch',
+            field=models.CharField(default='', max_length=100, verbose_name='所属批次号'),
+        ),
+    ]
diff --git a/hb_server/apps/inm/migrations/0013_alter_materialbatch_batch.py b/hb_server/apps/inm/migrations/0013_alter_materialbatch_batch.py
new file mode 100644
index 0000000..55fac10
--- /dev/null
+++ b/hb_server/apps/inm/migrations/0013_alter_materialbatch_batch.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.6 on 2021-11-10 06:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('inm', '0012_auto_20211110_1413'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='materialbatch',
+            name='batch',
+            field=models.CharField(default='', max_length=100, verbose_name='批次号'),
+        ),
+    ]
diff --git a/hb_server/apps/inm/models.py b/hb_server/apps/inm/models.py
index 8446014..40da0d2 100644
--- a/hb_server/apps/inm/models.py
+++ b/hb_server/apps/inm/models.py
@@ -41,7 +41,7 @@ class MaterialBatch(BaseModel):
     material = models.ForeignKey(Material, on_delete=models.CASCADE, verbose_name='物料信息')
     warehouse = models.ForeignKey(WareHouse, on_delete=models.CASCADE, verbose_name='所在仓库')
     count = models.IntegerField('存量', default=0)
-    batch = models.CharField('批次号', max_length=100, null=True, blank=True)
+    batch = models.CharField('批次号', max_length=100, default='')
     expiration_date = models.DateField('有效期', null=True, blank=True)
     class Meta:
         verbose_name = '库存表'
@@ -80,7 +80,7 @@ class FIFOItem(BaseModel):
     is_testok = models.BooleanField('是否检测合格', default=False)
     material = models.ForeignKey(Material, verbose_name='物料类型', on_delete=models.CASCADE)
     count = models.IntegerField('数量', default=0)
-    batch = models.CharField('批次号', max_length=100, null=True, blank=True)
+    batch = models.CharField('批次号', max_length=100, default='')
     fifo = models.ForeignKey(FIFO, verbose_name='关联出入库', on_delete=models.CASCADE)
 
 
@@ -97,7 +97,7 @@ class IProduct(BaseModel):
     number = models.CharField('物品编号', unique=True, null=True, blank=True, max_length=50)
     material = models.ForeignKey(Material, verbose_name='物料类型', on_delete=models.CASCADE)
     warehouse = models.ForeignKey(WareHouse, on_delete=models.CASCADE, verbose_name='所在仓库')
-    batch = models.CharField('所属批次号', max_length=100, null=True, blank=True)
+    batch = models.CharField('所属批次号', max_length=100, default='')
     wproduct = models.ForeignKey('wpm.wproduct', on_delete=models.CASCADE, verbose_name='关联的动态产品', db_constraint=False, null=True, blank=True)
     fifos = models.JSONField('关联出入库记录', default=list, blank=True)
 
diff --git a/hb_server/apps/wpm/serializers.py b/hb_server/apps/wpm/serializers.py
index a2f3be0..0e27b56 100644
--- a/hb_server/apps/wpm/serializers.py
+++ b/hb_server/apps/wpm/serializers.py
@@ -14,7 +14,7 @@ from django.db import transaction
 
 class PickDetailSerializer(serializers.Serializer):
     material = serializers.PrimaryKeyRelatedField(queryset=Material.objects.all(), label="物料ID")
-    batch = serializers.CharField(label='物料批次', required=False)
+    batch = serializers.CharField(label='物料批次', allow_blank=True)
     pick_count = serializers.IntegerField(label="领料数量")
 
 class PickSerializer(serializers.Serializer):
@@ -173,7 +173,7 @@ class OperationSubmitSerializer(serializers.Serializer):
     input = DoInputSerializer(many=True, required=False)
     output = DoOutputSerializer(many=True, required=False)
     forms = OperationRecordSerializer(many=True, required=False)
-    remark = serializers.CharField(required=False, label='操作备注')
+    remark = serializers.CharField(required=False, label='操作备注', allow_blank=True, allow_null=True)
     
 
     
\ No newline at end of file