fix cashout

mallinkService/src/main/resources/mapper/WxCashOutMapper.xml

@@ -51,6 +51,10 @@
 		<if test=" null != createDateEnd">
 			and `create_date` &lt;= #{createDateEnd}
 		</if>
+		
+		<if test=" null != merchantId">
+			and `merchant_id` = #{merchantId}
+		</if>
 
 		<if test=" null != merchantName ">
             and `merchant_name` like concat('%', #{merchantName},'%')