fix

assets/utils/utils.js

@@ -45,7 +45,15 @@ kit.PluginManager.register('utils', function(module, exports, require){
     })();
 
 
+    var str = {
+        ucFirst: function (str) {
+            if (!str) return str;
+            return str[0].toUpperCase() + str.slice(1);
+        }
+    };
+
     return module.exports = {
-        StackExecutionLimiter: StackExecutionLimiter
+        StackExecutionLimiter: StackExecutionLimiter,
+        str: str,
     };
 });