QBcore(/ME日本語表示化)

fivem\txData\QBCoreFramework\resources\[qb]\qb-core\client\events.lua

224行目が/me関連設定

-- Me command
local function Draw3DText(coords, str)
    local onScreen, worldX, worldY = World3dToScreen2d(coords.x, coords.y, coords.z)
    local camCoords = GetGameplayCamCoord()
    local scale = 200 / (GetGameplayCamFov() * #(camCoords - coords))
    if onScreen then
        SetTextScale(1.0, 0.5 * scale)
        SetTextFont(4)をSetTextFont(0)
        SetTextColour(255, 255, 255, 255)
        SetTextEdge(2, 0, 0, 0, 150)
        SetTextProportional(1)
        SetTextOutline()
        SetTextCentre(1)
        BeginTextCommandDisplayText('STRING')
        AddTextComponentSubstringPlayerName(str)
        EndTextCommandDisplayText(worldX, worldY)
    end
end

232行目の

SetTextFont(4)をSetTextFont(0)

にすれば日本語表示可能になる
これでみんな幸せになります。