diff --git a/lib/util.js b/lib/util.js
index c060fe90..cd1f0829 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -278,13 +278,13 @@
          * 
          * @obj
          */
-         this.extendProto           = function(obj) {
+        this.extendProto           = function(obj) {
             var ret, F      = function() {};
             F.prototype     = Util.extend({}, obj);
             ret             = new F();
             
             return ret;
-         };
+        };
         
         /**
          * @param pJSON
@@ -366,15 +366,15 @@
             if (isStr)
                 switch (type) {
                 case 'array':
-                     n  = str2.length;
+                    n  = str2.length;
                      
-                     for (i = 0; i < n; i++) {
-                         str    = str2[i];
-                         is    = Util.isContainStr(str1, str);
+                    for (i = 0; i < n; i++) {
+                        str    = str2[i];
+                        is    = Util.isContainStr(str1, str);
                         
                         if (is)
                             break;
-                     }
+                    }
                     break;
                 
                 case 'string':
@@ -532,7 +532,7 @@
                 str     = str.replace(regExp, to);
             }
            
-           return str;
+            return str;
         };
         
         /**
@@ -681,7 +681,7 @@
          * functions check is variable is string
          * @param variable
          */
-         this.isString               = function(variable) {
+        this.isString               = function(variable) {
             return Util.isType(variable, 'string');
         };
         
@@ -689,7 +689,7 @@
          * functions check is variable is string
          * @param variable
          */
-         this.isUndefined           = function(variable) {
+        this.isUndefined           = function(variable) {
             return Util.isType(variable, 'undefined');
         };