diff --git a/Bootstrap.Admin/Bootstrap.Admin.csproj b/Bootstrap.Admin/Bootstrap.Admin.csproj
index e2ddf7d3..147f9dc4 100644
--- a/Bootstrap.Admin/Bootstrap.Admin.csproj
+++ b/Bootstrap.Admin/Bootstrap.Admin.csproj
@@ -261,6 +261,7 @@
     <Compile Include="Global.asax.cs">
       <DependentUpon>Global.asax</DependentUpon>
     </Compile>
+    <Compile Include="Models\InfosModel.cs" />
     <Compile Include="Models\LockModel.cs" />
     <Compile Include="Models\MessageCountModel.cs" />
     <Compile Include="Models\QueryDictOption.cs" />
diff --git a/Bootstrap.Admin/Controllers/AdminController.cs b/Bootstrap.Admin/Controllers/AdminController.cs
index 59e497f0..ff3580fd 100644
--- a/Bootstrap.Admin/Controllers/AdminController.cs
+++ b/Bootstrap.Admin/Controllers/AdminController.cs
@@ -106,7 +106,7 @@ namespace Bootstrap.Admin.Controllers
         /// <returns></returns>
         public ActionResult Infos()
         {
-            var v = new NavigatorBarModel("~/Admin/Infos");
+            var v = new InfosModel("~/Admin/Infos");
             return View(v);
         }
         /// <summary>
diff --git a/Bootstrap.Admin/Models/InfosModel.cs b/Bootstrap.Admin/Models/InfosModel.cs
new file mode 100644
index 00000000..9cab72ce
--- /dev/null
+++ b/Bootstrap.Admin/Models/InfosModel.cs
@@ -0,0 +1,28 @@
+using System.IO;
+using System.Web;
+
+namespace Bootstrap.Admin.Models
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public class InfosModel : NavigatorBarModel
+    {
+        /// <summary>
+        /// 获得/设置 头像文件大小
+        /// </summary>
+        public long Size { get; set; }
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="url"></param>
+        public InfosModel(string url) : base(url)
+        {
+            var fileName = HttpContext.Current.Server.MapPath(Icon);
+            if (File.Exists(fileName))
+            {
+                Size = new FileInfo(fileName).Length;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Bootstrap.Admin/Scripts/Infos.js b/Bootstrap.Admin/Scripts/Infos.js
index a3f8259e..d9c0bf77 100644
--- a/Bootstrap.Admin/Scripts/Infos.js
+++ b/Bootstrap.Admin/Scripts/Infos.js
@@ -4,12 +4,13 @@
     $('#fileIcon').fileinput({
         uploadUrl: Infos.url,
         language: 'zh',
+        maxFileSize: 5000,
         allowedFileExtensions: ['jpg', 'png', 'bmp', 'gif', 'jpeg'],
         initialPreview: [
             preIcon
         ],
         initialPreviewConfig: [
-            { caption: "现在头像", size: 730, showZoom: false },
+            { caption: "现在头像", size: $('#fileIcon').attr('data-init'), showZoom: false },
         ],
         initialPreviewAsData: true,
         overwriteInitial: true,
diff --git a/Bootstrap.Admin/Views/Admin/Infos.cshtml b/Bootstrap.Admin/Views/Admin/Infos.cshtml
index b830f3a4..32e2d1fd 100644
--- a/Bootstrap.Admin/Views/Admin/Infos.cshtml
+++ b/Bootstrap.Admin/Views/Admin/Infos.cshtml
@@ -1,4 +1,4 @@
-@model NavigatorBarModel
+@model InfosModel
 @{
     ViewBag.Title = "个人中心";
     Layout = "~/Views/Shared/_Admin.cshtml";
@@ -72,7 +72,7 @@
     <div class="panel-body">
         <form enctype="multipart/form-data">
             <div class="form-group">
-                <input id="fileIcon" class="file" type="file">
+                <input id="fileIcon" class="file" type="file" data-init="@Model.Size">
             </div>
         </form>
     </div>