hi i have a question
i ues ncs 2.9.0
This is the code that displays my Bluetooth connection
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struct bt_data ad[] = {
BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
BT_DATA(BT_DATA_NAME_COMPLETE, dev_name, 18),
BT_DATA_BYTES(BT_DATA_UUID16_ALL, 0x0D, 0x18),
BT_DATA_BYTES(BT_DATA_UUID16_ALL, 0x0A, 0x18)
};
struct bt_data sd[] = {
BT_DATA_BYTES(BT_DATA_UUID128_ALL,BT_UUID_NUS_VAL ),
BT_DATA(BT_DATA_NAME_SHORTENED, short_name, strlen(short_name)),
};
int err = bt_le_adv_start(BT_LE_ADV_CONN, ad, ARRAY_SIZE(ad), sd,
ARRAY_SIZE(sd));
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dev_name=“YDB123E9C5FC872022”
short_name="YDB123E9C5"
but 
in my prj.conf
Why is it displayed as not “YDB123E9C5FC872022”
My Android phone is displaying normally
Please give me some help