fix bug: load dashboard setting json failed

app/script/check.js

@@ -653,6 +653,11 @@ CHK.loadDashboardSetting = function(callback) {
 		if (callback) {
 		    callback();
 		}
+	}, function(jqXHR, textStatus) {
+		//none dashboard setting json file, use default
+		if (callback) {
+		    callback();
+		}
 	});
 	// ios clear localStorage when reopen index page
 	// var setting = localStorage.getItem('dashboardSetting');
@@ -776,8 +781,9 @@ CHK.updateReportJsonWeb = function(json, callback) {
  *
  * @param fileName JSONファイル名
  * @param callback コールバック
+ * @param fail
  */
-CHK.loadJson = function(fileName, callback) {
+CHK.loadJson = function(fileName, callback, fail = null) {
 	if (CHK.isAndroid) {
 	    fileName = android.getCachePath() + "/" + fileName;
 	} else if (CHK.isIOS) {
@@ -812,6 +818,9 @@ CHK.loadJson = function(fileName, callback) {
     }).fail(function(jqXHR, textStatus, errorThrown) {
         console.log("エラー：" + textStatus);
         console.log("テキスト：" + jqXHR.responseText);
+		if (fail) {
+			fail(jqXHR, textStatus);
+		}
     });
 }