diff --git a/hb_server/apps/qm/migrations/0022_auto_20211216_1401.py b/hb_server/apps/qm/migrations/0022_auto_20211216_1401.py
new file mode 100644
index 0000000..b39573b
--- /dev/null
+++ b/hb_server/apps/qm/migrations/0022_auto_20211216_1401.py
@@ -0,0 +1,25 @@
+# Generated by Django 3.2.9 on 2021-12-16 06:01
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mtm', '0042_alter_recordformfield_field_type'),
+        ('qm', '0021_auto_20211216_1020'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='testrecorditem',
+            name='field_value',
+            field=models.JSONField(blank=True, null=True, verbose_name='录入值'),
+        ),
+        migrations.AlterField(
+            model_name='testrecorditem',
+            name='form_field',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='mtm.recordformfield', verbose_name='关联自定义表格字段'),
+        ),
+    ]
diff --git a/hb_server/apps/qm/models.py b/hb_server/apps/qm/models.py
index 7f0f558..e892071 100644
--- a/hb_server/apps/qm/models.py
+++ b/hb_server/apps/qm/models.py
@@ -77,8 +77,8 @@ class TestRecordItem(BaseModel):
     """
     记录表格字段值
     """
-    form_field = models.ForeignKey(RecordFormField, verbose_name='关联自定义表格字段', on_delete=models.CASCADE, db_constraint=False)
-    field_value = models.JSONField('录入值', default=dict, blank=True)
+    form_field = models.ForeignKey(RecordFormField, verbose_name='关联自定义表格字段', on_delete=models.CASCADE)
+    field_value = models.JSONField('录入值', null=True, blank=True)
     is_hidden = models.BooleanField('是否隐藏', default=False)
     is_testok = models.BooleanField('是否合格', null=True, blank=True)
     test_record = models.ForeignKey(TestRecord, verbose_name='关联的检验记录', on_delete=models.CASCADE, related_name='item_test_record')
\ No newline at end of file
diff --git a/hb_server/apps/wpm/migrations/0035_alter_operationrecorditem_field_value.py b/hb_server/apps/wpm/migrations/0035_alter_operationrecorditem_field_value.py
new file mode 100644
index 0000000..59097bb
--- /dev/null
+++ b/hb_server/apps/wpm/migrations/0035_alter_operationrecorditem_field_value.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.9 on 2021-12-16 06:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0034_auto_20211216_1127'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='operationrecorditem',
+            name='field_value',
+            field=models.JSONField(blank=True, null=True, verbose_name='录入值'),
+        ),
+    ]
diff --git a/hb_server/apps/wpm/models.py b/hb_server/apps/wpm/models.py
index 3679faa..15b7a3f 100644
--- a/hb_server/apps/wpm/models.py
+++ b/hb_server/apps/wpm/models.py
@@ -188,7 +188,7 @@ class OperationRecordItem(BaseModel):
     记录表格字段值
     """
     form_field = models.ForeignKey(RecordFormField, verbose_name='关联字段', on_delete=models.CASCADE, related_name='ori_form_field')
-    field_value = models.JSONField('录入值', default=dict, blank=True)
+    field_value = models.JSONField('录入值', null=True, blank=True)
     operation_record = models.ForeignKey(OperationRecord, verbose_name='关联的生产记录', on_delete=models.CASCADE, related_name='item_operation_record')
 
 class OperationEquip(BaseModel):