diff --git a/o2web/source/o2_core/o2/widget/AttachmentController.js b/o2web/source/o2_core/o2/widget/AttachmentController.js
index 76efe317fe4751688110d3894e46633364f3c385..84f11964cb1c7a7765f5cf6c165cb6f062c156d7 100644
--- a/o2web/source/o2_core/o2/widget/AttachmentController.js
+++ b/o2web/source/o2_core/o2/widget/AttachmentController.js
@@ -1261,7 +1261,7 @@ o2.widget.AttachmentController.Attachment = new Class({
     },
     createInforNode: function(callback){
         var size = "";
-        var k = this.data.length/1204;
+        var k = this.data.length/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;
@@ -1303,7 +1303,7 @@ o2.widget.AttachmentController.Attachment = new Class({
         this.textTitleNode.set("text", this.data.name);
 
         var size = "";
-        var k = this.data.length/1204;
+        var k = this.data.length/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;
@@ -1343,7 +1343,7 @@ o2.widget.AttachmentController.Attachment = new Class({
         this.textTitleNode.set("text", this.data.name);
 
         var size = "";
-        var k = this.data.length/1204;
+        var k = this.data.length/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;
@@ -1755,7 +1755,7 @@ o2.widget.AttachmentController.AttachmentMin = new Class({
         this.textNode.set("text", this.data.name);
 
         var size = "";
-        var k = this.data.length/1204;
+        var k = this.data.length/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;
@@ -1810,7 +1810,7 @@ o2.widget.AttachmentController.AttachmentMin = new Class({
         this.textNode = new Element("div", {"styles": this.css.minAttachmentTextNode_list}).inject(this.node);
         this.textNode.set("text", this.data.name);
         var size = "";
-        var k = this.data.length/1204;
+        var k = this.data.length/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;
diff --git a/o2web/source/x_component_File/AttachmentController.js b/o2web/source/x_component_File/AttachmentController.js
index f87cd12d056c8bd9a41696471474a01d8f82878f..86afcb8b07fd0149654df6fec506ce4e1ab17721 100644
--- a/o2web/source/x_component_File/AttachmentController.js
+++ b/o2web/source/x_component_File/AttachmentController.js
@@ -152,7 +152,7 @@ MWF.xApplication.File.AttachmentController.Attachment = new Class({
         this.textTitleNode.set("text", this.data.name);
 
         var size = "";
-        var k = this.data.length/1204;
+        var k = this.data.length/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;
@@ -196,7 +196,7 @@ MWF.xApplication.File.AttachmentController.Attachment = new Class({
         this.textTitleNode.set("text", this.data.name);
 
         var size = "";
-        var k = this.data.length/1204;
+        var k = this.data.length/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;
@@ -224,7 +224,7 @@ MWF.xApplication.File.AttachmentController.Attachment = new Class({
     },
     createInforNode: function(callback){
         var size = "";
-        var k = this.data.length/1204;
+        var k = this.data.length/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;
@@ -314,7 +314,7 @@ MWF.xApplication.File.AttachmentController.Folder = new Class({
     },
     createInforNode: function(callback){
         var size = "";
-        var k = this.data.size/1204;
+        var k = this.data.size/1024;
         if (k>1024){
             var m = k/1024;
             m = Math.round(m*100)/100;