分账加锁bugfix

src/main/resources/mappings/modules/order/OrderMapper.xml

@@ -1154,6 +1154,7 @@
 		SELECT splitTime FROM cm_split_account
 		WHERE splitTime IS NOT NULL
 		  AND splitTime > DATE_ADD(NOW(),INTERVAL -2 MINUTE)
+		LIMIT 1
 	</select>
 
 	<insert id="insertSplitAccount">