smartconfig did not work with lattest esp-idf

[zhbmarshal]

I am using lattest esp-idf for smart-config, smart-config is from examples, but I find smartconfig did not work, from logs I can see SC_STATUS_LINK but no SC_STATUS_LINK_OVER
I (0) cpu_start: Starting scheduler on APP CPU.
I (168) wifi: wifi firmware version: 111e74d
I (168) wifi: config NVS flash: disabled
I (168) wifi: config nano formating: disabled
I (168) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
I (178) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
I (188) wifi: Init dynamic tx buffer num: 32
I (188) wifi: Init data frame dynamic rx buffer num: 32
I (198) wifi: Init management frame dynamic rx buffer num: 32
I (198) wifi: wifi driver task: 3ffc0850, prio:23, stack:4096
I (208) wifi: Init static rx buffer num: 10
I (208) wifi: Init dynamic rx buffer num: 32
I (218) wifi: Init rx ampdu len mblock:7
I (218) wifi: Init lldesc rx ampdu entry mblock:4
I (218) wifi: wifi power manager task: 0x3ffc5cbc prio: 21 stack: 2560
I (258) phy: phy_version: 362.0, 61e8d92, Sep 8 2017, 18:48:11, 0, 0
I (258) wifi: mode : sta (24:0a:c4:04:5c:24)
I (308) smartconfig: SC version: V2.6.9
I (5118) wifi: ic_enable_sniffer
I (5118) sc: SC_STATUS_FINDING_CHANNEL
I (8408) smartconfig: TYPE: ESPTOUCH
I (8408) smartconfig: T|PHONE MAC:94:65:2d:88fa
I (8408) smartconfig: T|AP MAC:ec:8a:c7:0b:ec:bd
I (8408) sc: SC_STATUS_GETTING_SSID_PSWD
I (11728) smartconfig: T|pswd: xxx
I (11728) smartconfig: T|ssid: xxx
I (11728) smartconfig: T|bssid: ec:8a:c7:0b:ec:bd
I (11738) wifi: ic_disable_sniffer
I (11738) sc: SC_STATUS_LINK
I (11738) sc: SSID:xxx
I (11748) sc: PASSWORD:xxx