diff --git a/hb_server/apps/mtm/models.py b/hb_server/apps/mtm/models.py
index 5d39027..8cdde3a 100644
--- a/hb_server/apps/mtm/models.py
+++ b/hb_server/apps/mtm/models.py
@@ -130,6 +130,16 @@ class RecordFormField(CommonAModel):
     """
     记录字段表
     """
+    FIELD_STRING = 'string'
+    FIELD_INT = 'int'
+    FIELD_FLOAT = 'float'
+    FIELD_BOOL = 'boolean'
+    FIELD_DATE = 'date'
+    FIELD_TIME  = 'time'
+    FIELD_DATETIME = 'datetime'
+    FIELD_RADIO = 'radio'
+    FIELD_CHECKBOX = 'checkbox'
+    FIELD_SELECT = 'select'
     field_type_choices = (
         ('string', '字符串'),
         ('int', '整型'),
@@ -143,7 +153,7 @@ class RecordFormField(CommonAModel):
         ('select', '单选下拉'),
         ('selects', '多选下拉'),
         ('textarea', '文本域'),
-        ('draw', '绘图')
+        ('draw', '绘图'),
     )
     high_rule_choices = (
         (1, '小于'),
diff --git a/hb_server/apps/wpm/views.py b/hb_server/apps/wpm/views.py
index eb6a25d..b4160b4 100644
--- a/hb_server/apps/wpm/views.py
+++ b/hb_server/apps/wpm/views.py
@@ -505,8 +505,9 @@ class OperationViewSet(ListModelMixin, RetrieveModelMixin, CreateModelMixin, Upd
             oms_w = OperationMaterial.objects.filter(operation=op, type=SubprodctionMaterial.SUB_MA_TYPE_OUT, 
                 subproduction_progress__ismain=True)
             if len(oms_w) == 1:
-                newstep, hasNext = WpmServies.get_next_step(i.subproduction_plan, step)
                 oms_w = oms_w[0]
+                # 校验单片数量是否正确, 暂时未写
+                newstep, hasNext = WpmServies.get_next_step(oms_w.subproduction_plan, step)
                 wproduct = WProduct()
                 wproduct.material = oms_w.material
                 wproduct.step = newstep