diff --git a/main.go b/main.go
index a2dca3136..e4f6c13dc 100644
--- a/main.go
+++ b/main.go
@@ -623,6 +623,9 @@ func main() {
 				return
 			}
 		}
+		if webCertFile != "" || webKeyFile != "" {
+			updateCert(webCertFile, webKeyFile)
+		}
 		if show {
 			showSetting(show)
 		}