diff --git a/apps/wpmw/migrations/0004_auto_20250312_1610.py b/apps/wpmw/migrations/0004_auto_20250312_1610.py
new file mode 100644
index 00000000..5d7353f8
--- /dev/null
+++ b/apps/wpmw/migrations/0004_auto_20250312_1610.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.12 on 2025-03-12 08:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpmw', '0003_alter_wpr_state'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='wpr',
+            name='version',
+            field=models.PositiveIntegerField(default=9999, verbose_name='版本号'),
+        ),
+        migrations.AlterField(
+            model_name='wpr',
+            name='number',
+            field=models.CharField(blank=True, max_length=50, null=True, verbose_name='编号'),
+        ),
+    ]
diff --git a/apps/wpmw/models.py b/apps/wpmw/models.py
index c2e833fd..63920dd8 100644
--- a/apps/wpmw/models.py
+++ b/apps/wpmw/models.py
@@ -12,7 +12,8 @@ class Wpr(BaseModel):
     TN: 动态产品
     """
 
-    number = models.CharField("编号", max_length=50, unique=True, null=True, blank=True)
+    number = models.CharField("编号", max_length=50, null=True, blank=True)
+    version = models.PositiveIntegerField("版本号", default=9999)
     state = models.PositiveSmallIntegerField('状态', default=10, choices=WmStateOption.choices)
     material = models.ForeignKey(Material, verbose_name="当前物料形态", on_delete=models.CASCADE)
     defects = models.ManyToManyField("qm.defect", through="wpmw.wprdefect", verbose_name="缺陷项")
@@ -30,13 +31,18 @@ class Wpr(BaseModel):
             raise ParseError("所属仓库批次和车间批次不可同时存在")
 
         if wpr:
-            ins = wpr
+            ins:Wpr = wpr
+            if wpr and mb is None and wm is None and ins.version <=1:
+                wpr.delete()
+                return
         elif number:
-            try:
-                ins = cls.objects.get(number=number)
-                raise ParseError(f"该物料编号{number}-已存在不可使用")
-            except cls.DoesNotExist:
-                ins = cls(number=number)
+            # try:
+            #     ins = cls.objects.get(number=number)
+            #     raise ParseError(f"该物料编号{number}-已存在不可使用")
+            # except cls.DoesNotExist:
+            # 创建
+            ins = cls(number=number)
+            ins.version = 0
 
         if old_mb and ins.mb != old_mb:
             raise ParseError(f"请检查-{ins.number}-所属仓库批次")
@@ -57,6 +63,7 @@ class Wpr(BaseModel):
             WprDefect.objects.filter(wpr=ins).delete()
             if wm.defect:
                 WprDefect.objects.create(wpr=ins, defect=wm.defect, is_main=True)
+        ins.version = ins.version + 1
         ins.save()
         if ftest: 
             # 通过检验变更其缺陷项