diff --git a/education/statistics/random-variable.html b/education/statistics/random-variable.html
index 36ee9ec..5bf2490 100644
--- a/education/statistics/random-variable.html
+++ b/education/statistics/random-variable.html
@@ -2,7 +2,7 @@
 title: 隨機變數 (Random Variable)
 description: 
 published: true
-date: 2025-12-28T19:56:49.760Z
+date: 2025-12-28T19:56:54.087Z
 tags: 
 editor: ckeditor
 dateCreated: 2025-12-28T16:41:51.938Z
@@ -51,7 +51,7 @@ dateCreated: 2025-12-28T16:41:51.938Z
   <table>
     <tbody>
       <tr>
-        <td style="text-align:center;width:300px;"><span style="font-family:Arial, Helvetica, sans-serif;"><strong>Distribution Function</strong></span></td>
+        <td style="text-align:center;width:300px;">&nbsp;</td>
         <td style="text-align:center;width:500px;"><span style="font-family:Arial, Helvetica, sans-serif;"><strong>Discrete</strong></span></td>
         <td style="text-align:center;width:500px;"><span style="font-family:Arial, Helvetica, sans-serif;"><strong>Continuous</strong></span></td>
       </tr>