修改，增加老用户限制

@@ -25,7 +25,7 @@
 		from user_coupon_history 
 		where uid = #{uid,jdbcType=INTEGER} 
 		and activity_id = #{activityId,jdbcType=INTEGER}  
-		and create_time > #{createTime,jdbcType=INTEGER}
+		and create_time > #{createTime,jdbcType=INTEGER} and user_type=1
 	</select>
 	<delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
 		delete from user_coupon_history