diff --git a/Application/Admin/Controller/FileController.class.php b/Application/Admin/Controller/FileController.class.php
index a9db7bd78..7cd937647 100644
--- a/Application/Admin/Controller/FileController.class.php
+++ b/Application/Admin/Controller/FileController.class.php
@@ -204,8 +204,8 @@ class FileController extends AdminController
         $pic_driver = C('PICTURE_UPLOAD_DRIVER');
 
         if (I('icon')) {
-            if ($_FILES['file']['size'] > 51200) {
-                $return = array('status' => 1001, 'info' => '图片大小不得超过50k', 'data' => '');
+            if ($_FILES['file']['size'] > 2097152) {
+                $return = array('status' => 1001, 'info' => '图片大小不得超过2M', 'data' => '');
                 $this->ajaxReturn($return);
             }
         }
diff --git a/Application/Admin/View/Game/edit.html b/Application/Admin/View/Game/edit.html
index ee9a72c58..7f9020a69 100644
--- a/Application/Admin/View/Game/edit.html
+++ b/Application/Admin/View/Game/edit.html
@@ -316,7 +316,7 @@
                                                    </div>
                                                </div>
                                            </span>
-                                <span class="notice-text">尺寸不得小于125*125px，大小不得超过50K</span>
+                                <span class="notice-text">尺寸不得小于512*512px，圆角半径113px，不强制要求，可直接提供512*512方图</span>
                             </td>
                         </tr>
                         <tr class="picbox">