chrome can't receive turnserver response.

[new1943]

i don't know what s problem. i use wireshark Capture package. show the turnserver has return the response . but chrome not receive the event.

56195 281.834360000 124.202.164.3 192.168.2.181 STUN 122 Binding Success Response MAPPED-ADDRESS: 218.241.219.89:20516

this chrome can receive the stun response.but the turn response can't receive.

56186 281.778903000 124.202.164.3 192.168.2.181 STUN 118 Allocate Success Response XOR-MAPPED-ADDRESS: 218.241.219.89:20511 XOR-RELAYED-ADDRESS: 124.202.164.3:15028 lifetime: 599999

it 's config error? can you help me fix this wrong?