华为路由器流策略问题

eNSP做流量控制实验：利用流策略控制不同源发出的流量走不同的路由
问题：在没配置流策略的时候，跑完OSPF，抓包显示PC1/PC2访问PC3的流量全部走的AR1-AR3这条路由；启用流策略之后，PC1的request包根据控制策略走AR1-AR2这条路由了，但replay包还是从AR3回来的，请教如何解决回包控制问题。
先上拓扑：

实验要求：

市场部流量走AR2方向
财务部留着走AR3方向
都能访问公司总部

AR1配置

acl 2000
rule permit so 10.1.1.1 0
acl 2001
rule permit so 10.1.2.1 0

traffic classifier SHICHANGBU
if-match acl 2000
traffic classifier CAIWUBU
if-match acl 2001

traffic behavior AR1-AR3
 redirect ip-nexthop 12.1.3.2
traffic behavior AR1-AR2
 redirect ip-nexthop 12.1.1.2

traffic policy SHICHANGBU
 classifier SHICHANGBU behavior AR1-AR2
traffic policy CAIWUBU
 classifier CAIWUBU behavior AR1-AR3

int g0/0/0
ip add 12.1.1.1 24
int g0/0/1
ip add 12.1.3.1 24
int g0/0/2
ip add 10.1.1.254 24
traffic-policy SHICHANGBU inbound

int g4/0/0
ip add 10.1.2.254 24
traffic-policy CAIWUBU inbound

ospf 1 router-id 1.1.1.1
a 0
net 12.1.1.0 0.0.0.255
net 12.1.3.0 0.0.0.255
net 10.1.1.0 0.0.0.255
net 10.1.2.0 0.0.0.255

acl 2000
rule permit so 10.1.1.1 0
acl 2001
rule permit so 10.1.2.1 0
 
traffic classifier SHICHANGBU
if-match acl 2000
traffic classifier CAIWUBU
if-match acl 2001
 
traffic behavior AR1-AR3
 redirect ip-nexthop 12.1.3.2
traffic behavior AR1-AR2
 redirect ip-nexthop 12.1.1.2
 
traffic policy SHICHANGBU
 classifier SHICHANGBU behavior AR1-AR2
traffic policy CAIWUBU
 classifier CAIWUBU behavior AR1-AR3
 
int g0/0/0
ip add 12.1.1.1 24
int g0/0/1
ip add 12.1.3.1 24
int g0/0/2
ip add 10.1.1.254 24
traffic-policy SHICHANGBU inbound
 
int g4/0/0
ip add 10.1.2.254 24
traffic-policy CAIWUBU inbound
 
ospf 1 router-id 1.1.1.1
a 0
net 12.1.1.0 0.0.0.255
net 12.1.3.0 0.0.0.255
net 10.1.1.0 0.0.0.255
net 10.1.2.0 0.0.0.255