diff --git a/hb_server/apps/inm/migrations/0019_auto_20211201_1011.py b/hb_server/apps/inm/migrations/0019_auto_20211201_1011.py
new file mode 100644
index 0000000..3b375d9
--- /dev/null
+++ b/hb_server/apps/inm/migrations/0019_auto_20211201_1011.py
@@ -0,0 +1,28 @@
+# Generated by Django 3.2.9 on 2021-12-01 02:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('inm', '0018_alter_fifoitem_subproduction_plan'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='fifoitem',
+            name='count',
+            field=models.PositiveIntegerField(default=0, verbose_name='数量'),
+        ),
+        migrations.AlterField(
+            model_name='inventory',
+            name='count',
+            field=models.PositiveIntegerField(default=0, verbose_name='仓库物料存量'),
+        ),
+        migrations.AlterField(
+            model_name='materialbatch',
+            name='count',
+            field=models.PositiveIntegerField(default=0, verbose_name='存量'),
+        ),
+    ]
diff --git a/hb_server/apps/inm/models.py b/hb_server/apps/inm/models.py
index dbd87cf..20d87dd 100644
--- a/hb_server/apps/inm/models.py
+++ b/hb_server/apps/inm/models.py
@@ -29,7 +29,7 @@ class Inventory(BaseModel):
     库存物料
     """
     material = models.ForeignKey(Material, on_delete=models.CASCADE, verbose_name='物料信息')
-    count = models.IntegerField('仓库物料存量', default=0, validators=[MinValueValidator(0)])
+    count = models.PositiveIntegerField('仓库物料存量', default=0)
     warehouse = models.ForeignKey(WareHouse, on_delete=models.CASCADE, verbose_name='所在仓库')
     class Meta:
         verbose_name = '库存表'
@@ -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, validators=[MinValueValidator(0)])
+    count = models.PositiveIntegerField('存量', default=0)
     batch = models.CharField('批次号', max_length=100, default='')
     expiration_date = models.DateField('有效期', null=True, blank=True)
     class Meta:
@@ -79,7 +79,7 @@ class FIFOItem(BaseModel):
     is_testok = models.BooleanField('是否检测合格', default=False)
     warehouse = models.ForeignKey(WareHouse, on_delete=models.CASCADE, verbose_name='仓库')
     material = models.ForeignKey(Material, verbose_name='物料类型', on_delete=models.CASCADE)
-    count = models.IntegerField('数量', default=0, validators=[MinValueValidator(0)])
+    count = models.PositiveIntegerField('数量', default=0)
     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)
     subproduction_plan = models.ForeignKey(SubProductionPlan, verbose_name='关联子生产计划', on_delete=models.CASCADE, null=True, blank=True)
diff --git a/hb_server/apps/wpm/migrations/0025_alter_wmaterial_count.py b/hb_server/apps/wpm/migrations/0025_alter_wmaterial_count.py
new file mode 100644
index 0000000..65eb34e
--- /dev/null
+++ b/hb_server/apps/wpm/migrations/0025_alter_wmaterial_count.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.9 on 2021-12-01 02:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0024_auto_20211129_1456'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='wmaterial',
+            name='count',
+            field=models.PositiveIntegerField(default=0, verbose_name='当前数量'),
+        ),
+    ]
diff --git a/hb_server/apps/wpm/models.py b/hb_server/apps/wpm/models.py
index ebf5ead..327bc80 100644
--- a/hb_server/apps/wpm/models.py
+++ b/hb_server/apps/wpm/models.py
@@ -17,7 +17,7 @@ class WMaterial(BaseModel):
     subproduction_plan = models.ForeignKey(SubProductionPlan, verbose_name='关联子计划', on_delete=models.CASCADE)
     material = models.ForeignKey(Material, verbose_name='关联物料', on_delete=models.CASCADE)
     batch = models.CharField('批次号', max_length=100, null=True, blank=True)
-    count = models.IntegerField('当前数量', default=0, validators=[MinValueValidator(0)])
+    count = models.PositiveIntegerField('当前数量', default=0)
 
 
 class WProduct(CommonAModel):