diff --git a/lib/util.js b/lib/util.js
index a4682168..db1e404f 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -673,15 +673,14 @@
          * function execute param function in
          * try...catch block
          * 
-         * @param pCallBack
+         * @param callback
          */
-        this.tryCatch               = function(pCallBack) {
+        this.tryCatch               = function(callback) {
             var ret;
-            try{
-                ret = pCallBack();
-            }
-            catch(pError) {
-                ret = pError;
+            try {
+                ret = callback();
+            } catch(error) {
+                ret = error;
             }
             
             return ret;