Merge pull request #14 from cloudoptlab/fix/1.4.1/fix-grade-website

Fix two more problems

Author: T-baby

js/cloudopt-core.js

@@ -968,8 +968,11 @@ cloudopt.grade = (function (cloudopt) {
         if (level <= 2) {
             safe = true;
         }
-        if (level === 3 && config.safePotential) {
+        if (level === 3) {
+          if (config.safePotential)
             safe = false;
+          else
+            safe = true;
         }
         if (config.whiteList.indexOf(result.host) > -1 || config.whiteListAds.indexOf(result.host) > -1) {
             safe = true;
@@ -1240,7 +1243,9 @@ cloudopt.http = (function (cloudopt) {
                     const _result = await $.ajax(this.option);
                     resolve(_result)
                 } catch (error) {
-                    const _response = (error && (typeof error.responseText === 'string')) ? JSON.parse(error.responseText) : {}
+                    var _response = {};
+                    if (error && error.status && error.status >= 400 && error.status < 500 && (typeof error.responseText === 'string'))
+                        _response = JSON.parse(error.responseText)
                     if (isResolveErr) this.handleHttpErrorStatus(_response);
                     reject(_response)
                     cloudopt.logger.debug(error.responseText)