修正根据租电套餐查询电池信息的接口问题

src/main/resources/mapper/RentBatteyRuleMapper.xml

@@ -15,4 +15,16 @@
         rcb.car_rule_id = #{carRuleId}
         AND b.is_delete = 0
     </select>
+
+    <select id="getRentBatteyRuleById" resultType="com.sczx.car.dto.RentBatteyRuleDTO">
+        SELECT
+        b.*,c.category_name
+        FROM
+        zc_rent_battey_rule b
+        JOIN
+        zc_battery_category c ON b.category_id = c.id
+        WHERE
+        b.id = #{id}
+        AND b.is_delete = 0
+    </select>
 </mapper>