diff --git a/Modules/Company/CompanyObject.py b/Modules/Company/CompanyObject.py
index d55f87d..caa30be 100644
--- a/Modules/Company/CompanyObject.py
+++ b/Modules/Company/CompanyObject.py
@@ -10,7 +10,7 @@ class BasicBusinessInfo(SpecObject):
         name = ValidateAttr(field="name", type=str)
         ratio = ValidateAttr(field="ratio", type=str)
         nature = ValidateAttr(field="nature", type=str)
-        quantity = ValidateAttr(field="quantity", type=[str, int, float])
+        quantity = ValidateAttr(field="quantity", type=int)
 
         fields_map = {
             "name": "股东名称",