bigInteger允许otherModel属性

web/field-type.xsd

@@ -71,6 +71,17 @@
 						</xs:extension>
 					</xs:complexContent>
 				</xs:complexType>
+				<xs:complexType name="bigIntegerField">
+					<xs:complexContent>
+						<xs:extension base="baseField">
+							<xs:attribute name="otherModel" type="xs:string">
+								<xs:annotation>
+									<xs:documentation>引用的model名称</xs:documentation>
+								</xs:annotation>
+							</xs:attribute>
+						</xs:extension>
+					</xs:complexContent>
+				</xs:complexType>
 				<xs:complexType name="autoField">
 					<xs:complexContent>
 						<xs:extension base="field">

web/simple-fields.xsd

@@ -4,7 +4,7 @@
 	<xs:complexType name="simple-fields">
 	  	<xs:choice maxOccurs="unbounded" minOccurs="0">
 	  		<xs:element name="auto" type="autoField"></xs:element>
-	  		<xs:element name="bigInteger" type="baseField"></xs:element>
+	  		<xs:element name="bigInteger" type="bigIntegerField"></xs:element>
 	  		<xs:element name="binary" type="baseField"></xs:element>
 	  		<xs:element name="boolean" type="baseField"></xs:element>
 	  		<xs:element name="choice" type="choiceField"></xs:element>