diff --git a/class_content/content4.html b/class_content/content4.html
index da505cb..f0b0f31 100644
--- a/class_content/content4.html
+++ b/class_content/content4.html
@@ -41,6 +41,25 @@
         </dl>
     </div>
 </div>
+<div class="class-content-items" id="content-17">
+    <p class="class-content-items-text">第１７日目</p>
+    <div class="class-content-item-left">
+        <dl class="class-content-dl class-content-dl-left">
+            <dt>日時</dt>
+            <dd>令和3年12月11日(土)午後2時から</dd>
+            <dt>場所</dt>
+            <dd>東北公益文科大学</dd>
+        </dl>
+    </div>
+    <div class="class-content-item-right">
+        <dl class="class-content-dl">
+            <dt>目次</dt>
+            <dd>1. 呉先生の紹介</dd>
+            <dd>2. 正規表現について</dd>
+            <dd>3. 連絡事項</dd>
+        </dl>
+    </div>
+</div>
 <div class="page-btn wrapper">
     <ul class="page-btn-ul">
         <li value="1">