I send it to the device via Bluetooth ssid and Wrong password,  And then occasionally the device doesn't receive the packets sent by Bluetooth and turns off the broadcast "[WM_I]  "0: 03: 22. 628"   conn param update complete;  conn_handle=0 status=19
[WM_I]  "0: 03: 22. 704"   disconnect reason=0xfffffe13 (19) ,  app_reason=0
[WM_I]  "0: 03: 22. 780"   ble wifi config service disconnected, FAIL
[WM_E]  "0: 03: 22. 854"   error setting advertisement data;  rc=22
[WM_I]  "0: 03: 22. 920"   Resetting state;  reason=19
[WM_I]  "0: 03: 22. 974"   adapter status = bt_state_off
[WM_I]  "0: 03: 23. 030"   deinit base application
[WM_I]  "0: 03: 23. 086"   adapter status = bt_state_on
[WM_I]  "0: 03: 23. 140"   init base applicationrec" .  
Sometimes there is an abnormal exit fault even if the message is received,  I've seen a normal exit "disconnect reason=0x13 (531) ,  app_reason=0;  ble wifi config service disconnected, FAIL" And my exit failure is " disconnect reason=0x28 (552) ,  app_reason=0  (or disconnect reason=0x08 (520) ,  app_reason=0)  ;  ble wifi config service disconnected, FAIL" 
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This is a wrong password entered, The correct password is"hx888888", Is that the wrong password not reached 8 The reason for the character
Do you have any idea why?
@yyff Default encryption mode, Password must" =8 character
@isme Is not for connecting one open ap, self-introduced ssid Sum password, It is OK if the password is empty
@yyff Yes