Update README.md

README.md

@@ -181,15 +181,15 @@ try (
         <property name="password" value=""/>
     </bean>
 
-    <rdb:strategy id="orderTableStrategy" sharding-columns="order_id" algorithm-expression="t_order_${order_id % 4}"/>
-    <rdb:strategy id="orderItemTableStrategy" sharding-columns="order_id" algorithm-expression="t_order_item_${order_id % 4}"/>
+    <rdb:strategy id="orderTableStrategy" sharding-columns="order_id" algorithm-expression="t_order_${order_id.longValue() % 4}"/>
+    <rdb:strategy id="orderItemTableStrategy" sharding-columns="order_id" algorithm-expression="t_order_item_${order_id.longValue() % 4}"/>
     <rdb:data-source id="shardingDataSource">
         <rdb:sharding-rule data-sources="dbtbl_0,dbtbl_1">
             <rdb:table-rules>
                 <rdb:table-rule logic-table="t_order" actual-tables="t_order_${0..3}" table-strategy="orderTableStrategy"/>
                 <rdb:table-rule logic-table="t_order_item" actual-tables="t_order_item_${0..3}" table-strategy="orderItemTableStrategy"/>
             </rdb:table-rules>
-            <rdb:default-database-strategy sharding-columns="user_id" algorithm-expression="dbtbl_${user_id % 2 + 1}"/>
+            <rdb:default-database-strategy sharding-columns="user_id" algorithm-expression="dbtbl_${user_id.longValue() % 2 + 1}"/>
         </rdb:sharding-rule>
     </rdb:data-source>
 </beans>