代码格式化

@@ -139,7 +139,7 @@ class Check {
             });
 
             child.stdout.on("end", function () {
-                self.mailOptions.text = dataText;
+                self.mailOptions.html = `<pre style='font-family: Menlo,Monaco,Consolas,"Courier New",monospace;'>${dataText}</pre>`;
                 mail.sendMail(self.mailOptions, function(err, info){
                     if(err){
                         self._log(error);