Cloudgoogle VM ftp connect problem i need fix.(Using Plesk 12)

My english not good but i will try. I Create New Virtual Machine on Cloud Google i install successfully plesk 12 everythink is okey but i have one problem i cant connect via ftp to my server. Status: Connecting to ---.---.---.---:-- Status: Connection established, waiting for welcome message... Status: Initializing TLS... Status: Verifying certificate... Status: TLS connection established. Status: Connected Status: Retrieving directory listing... Status: Server sent passive reply with unroutable address. Using server address instead. Command: MLSD Error: Connection timed out after 20 seconds of inactivity Error: Failed to retrieve directory listing i need fix this problem I have 5$ for this freelance thanks for patience.