diff --git a/HEZON_ITK/bs_sap.cpp b/HEZON_ITK/bs_sap.cpp
index 2f0a761..a522fe3 100644
--- a/HEZON_ITK/bs_sap.cpp
+++ b/HEZON_ITK/bs_sap.cpp
@@ -243,9 +243,9 @@ void get_bom(System::Collections::Generic::List<System::Collections::Generic::Di
 			AOM_ask_value_string(lines[j], "JD2_sl", &val);
 			quantity = val;
 			int index = quantity.find('.');
-			if(index!=-1&&quantity.length()>(index + 3))
+			if(index!=-1&&quantity.length()>(index + 4))
 			{
-				quantity = quantity.substr(0, index + 3);
+				quantity = quantity.substr(0,index + 4);
 			}
 		}else
 		{