fix: batchst的version字段bug

apps/wpm/models.py

@@ -621,13 +621,14 @@ class BatchSt(BaseModel):
         if mio is None and handover is None and mlog is None:
             return cls.objects.get_or_create(batch=batch)
         else:
-            latest_version = 0
+            version = 1
             # 带有来源的批次获取，需检查批次号是否可用
-            if cls.objects.filter(batch=batch, version=0).exists():
+            if cls.objects.filter(batch=batch, version=1).exists():
                 latest_version = BatchSt.objects.filter(batch=batch).aggregate(Max("version"))["version__max"]
+                version = latest_version + 1
             if mio is None and handover is None and mlog is None:
                 raise ParseError("mio or handover or mlog must be provided")
-            ins = cls.objects.create(batch=batch, mio=mio, handover=handover, mlog=mlog, material_start=material_start, version=latest_version+1)
+            ins = cls.objects.create(batch=batch, mio=mio, handover=handover, mlog=mlog, material_start=material_start, version=version)
             return ins, True
     
     @classmethod