Failed to load URL: https://lo​calhost:31​515/toolbo​x/shared/c​onfigset_v​iew/web/in​dex.html?c​hannel=/cs​view&id=/c​sview1&sty​le=1&admin​Mode=0&inB​at=0&ts=16​:30:30&snc​=VQ2HR9 Error: ERR_SSL_SE​RVER_CERT_​BAD_FORMAT​(-167)

When I open simulink on ubuntu16.04, the errors occur:

Failed to load URL: https://localhost:31515/toolbox/shared/configset_view/web/index.html?channel=/csview&id=/csview1&style=1&adminMode=0&inBat=0&ts=16:30:30&snc=VQ2HR9

Error: ERR_SSL_SERVER_CERT_BAD_FORMAT(-167)

please help me, thanks.