BT SCAN FILTER FAILED

Question

52832 ncs2.5.1 BT SCAN UUID FILTER FAILED（ 
 
 #define BT_UUID_SELF_VAL \ 
 BT_UUID_128_ENCODE ( 0xd6ac0003 , 0x8de3 , 0xa9ec , 0x1fbd , 0xd623ede12a82 ) 
 
 // (0x822ae1ed, 0x23d6, 0xbd1f, 0xeca9, 0xe38d0300acd6)

#define BT_UUID_SELF BT_UUID_DECLARE_128 ( BT_UUID_SELF_VAL ) 
 
 ） 
 
 static void scan_init ( void ) 
 { 
 int err ; 
 
 struct bt_scan_init_param param = { 
 . connect_if_match = 1 
 }; 
 
 bt_scan_init (& param ); 
 bt_scan_cb_register (& scan_cb ); 
 
 err = bt_scan_filter_add ( BT_SCAN_FILTER_TYPE_UUID , BT_UUID_SELF ); 
 if ( err ) { 
 printk ( " Scanning filters cannot be set (err %d ) 
 " , err ); 
 } 
 
 err = bt_scan_filter_enable ( BT_SCAN_UUID_FILTER , false ); 
 if ( err ) { 
 printk ( " Filters cannot be turned on (err %d ) 
 " , err ); 
 } 
 printk ( " scan_init Success 
 " );

} 
 
 void start_scan ( void ) 
 { 
 int err ; 
 /* This demo doesn't require active scan */ 
 err = bt_scan_start ( BT_SCAN_TYPE_SCAN_ACTIVE ); 
 if ( err ) { 
 printk ( " Scanning failed to start (err %d ) 
 " , err ); 
 return ; 
 } 
 
 printk ( " Scanning successfully started 
 " ); 
 } when i start scan and open ble log, The MAC address of the target was scanned, but the protocol stack was not filtered target MAC and UUID here