How to disable translate the chinese to unicode?

[leitingx762]

my gulpfiles.js is

    return gulp.src(jsurl)
        .pipe(babel({ presets: ["@babel/env"] }))
        .on("error", err)
        .pipe(rename({ suffix: ".min" }))
        .pipe(gulp.dest(jsurl.replace("!(*.min).js", "")))
        .on("end", ok)
}

then...
My Chinese String has be translate to unicode...

I don't want to translate it...
help me...