diff --git a/static/app.js b/static/app.js
index 060f947..9977df5 100644
--- a/static/app.js
+++ b/static/app.js
@@ -388,6 +388,14 @@
     addEveningRow('', '');
   };
 
+  /* 切换卡片编辑模式 */
+  window.toggleEditMode = function(btn) {
+    var card = btn.closest('.card');
+    if (!card) return;
+    var editing = card.classList.toggle('editing');
+    btn.classList.toggle('active', editing);
+  };
+
   /* ================================================================
      Load & Auto Save Checkin
      ================================================================ */
diff --git a/static/style.css b/static/style.css
index 09902c1..bd3abdf 100644
--- a/static/style.css
+++ b/static/style.css
@@ -492,16 +492,57 @@ body {
 .card-head {
   display: flex;
   align-items: center;
-  gap: 8px;
+  justify-content: space-between;
   margin-bottom: 4px;
 }
 
+.card-head-left {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
 .card-head h3 {
   font-size: 14px;
   font-weight: 600;
   color: var(--text);
 }
 
+/* ── 编辑模式切换按钮 ── */
+
+.btn-edit-toggle {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 28px;
+  height: 28px;
+  border: none;
+  background: transparent;
+  color: var(--text-muted);
+  border-radius: 6px;
+  cursor: pointer;
+  transition: all 0.2s;
+  flex-shrink: 0;
+}
+
+.btn-edit-toggle:hover {
+  background: var(--bg);
+  color: var(--primary);
+}
+
+.btn-edit-toggle.active {
+  background: var(--primary-light);
+  color: var(--primary);
+}
+
+/* 编辑模式下才显示的元素 */
+.edit-only { display: none; }
+.card.editing .edit-only { display: flex; }
+.card.editing .btn-del { display: inline-flex; }
+
+/* 默认隐藏删除按钮 */
+.btn-del { display: none; }
+
 .icon-h2 {
   width: 16px;
   height: 16px;
@@ -568,7 +609,6 @@ body {
   line-height: 1;
   border-radius: 6px;
   transition: background 0.2s;
-  display: inline-flex;
   align-items: center;
 }
 
diff --git a/templates/icons.html b/templates/icons.html
index edc1e4e..a79d318 100644
--- a/templates/icons.html
+++ b/templates/icons.html
@@ -63,4 +63,8 @@
   <symbol id="icon-chevron-right" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
     <path d="M8.25 4.5l7.5 7.5-7.5 7.5"/>
   </symbol>
+  <!-- 铅笔 -->
+  <symbol id="icon-pencil" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
+    <path d="m16.862 4.487 1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L6.832 19.82a4.5 4.5 0 0 1-1.897 1.13l-2.685.8.8-2.685a4.5 4.5 0 0 1 1.13-1.897L16.863 4.487Zm0 0L19.5 7.125"/>
+  </symbol>
 </svg>
diff --git a/templates/index.html b/templates/index.html
index 92d5faa..e18a9c3 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -104,23 +104,33 @@
       <div class="daily-grid">
         <div class="card card-morning">
           <div class="card-head">
-            <svg class="icon-h2"><use href="#icon-sun"/></svg>
-            <h3>早间立志</h3>
+            <div class="card-head-left">
+              <svg class="icon-h2"><use href="#icon-sun"/></svg>
+              <h3>早间立志</h3>
+            </div>
+            <button class="btn-edit-toggle" onclick="toggleEditMode(this)" title="编辑">
+              <svg class="icon-sm"><use href="#icon-pencil"/></svg>
+            </button>
           </div>
           <p class="card-desc">今天最重要的 1~3 件事</p>
           <div id="morning-list"></div>
-          <button class="btn-add" onclick="addMorning()">
+          <button class="btn-add edit-only" onclick="addMorning()">
             <svg class="icon-sm"><use href="#icon-plus"/></svg> 增加一条
           </button>
         </div>
         <div class="card card-evening">
           <div class="card-head">
-            <svg class="icon-h2"><use href="#icon-magnifying-glass"/></svg>
-            <h3>责善 · 改过</h3>
+            <div class="card-head-left">
+              <svg class="icon-h2"><use href="#icon-magnifying-glass"/></svg>
+              <h3>责善 · 改过</h3>
+            </div>
+            <button class="btn-edit-toggle" onclick="toggleEditMode(this)" title="编辑">
+              <svg class="icon-sm"><use href="#icon-pencil"/></svg>
+            </button>
           </div>
           <p class="card-desc">今天犯的错 &amp; 改进方案（最多5条）</p>
           <div id="evening-list"></div>
-          <button class="btn-add" onclick="addEvening()">
+          <button class="btn-add edit-only" onclick="addEvening()">
             <svg class="icon-sm"><use href="#icon-plus"/></svg> 增加一条
           </button>
         </div>