diff --git a/web/static/css/style.css b/web/static/css/style.css
index 648b8275..2e14c712 100644
--- a/web/static/css/style.css
+++ b/web/static/css/style.css
@@ -1144,12 +1144,18 @@ header {
 .hitl-config-input {
     width: 100%;
     height: 38px;
-    border: 1px solid var(--border-color);
+    border: 1px solid #e2e8f0;
     border-radius: 8px;
     background: #fff;
-    padding: 0 10px;
+    padding: 0 12px;
     font-size: 14px;
     color: var(--text-primary);
+    transition: border-color 0.15s, box-shadow 0.15s;
+}
+.hitl-config-input:focus {
+    outline: none;
+    border-color: var(--accent-color, #0066ff);
+    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
 }
 
 .hitl-pending-list {
@@ -1159,43 +1165,133 @@ header {
 }
 
 .hitl-pending-item {
-    border: 1px solid rgba(99, 102, 241, 0.25);
+    border: 1px solid #dbeafe;
     border-radius: 10px;
-    padding: 12px;
-    background: rgba(15, 23, 42, 0.45);
+    padding: 16px;
+    background: #f8fbff;
+    transition: box-shadow 0.2s;
+}
+.hitl-pending-item:hover {
+    box-shadow: 0 2px 12px rgba(0, 102, 255, 0.08);
 }
 
 .hitl-pending-item-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
+    margin-bottom: 10px;
+}
+
+.hitl-pending-item-title {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+.hitl-tool-badge {
+    display: inline-flex;
+    align-items: center;
+    padding: 3px 10px;
+    border-radius: 6px;
+    font-size: 13px;
+    font-weight: 600;
+    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
+    background: var(--accent-color, #0066ff);
+    color: #fff;
+}
+
+.hitl-mode-tag {
+    display: inline-flex;
+    align-items: center;
+    padding: 2px 8px;
+    border-radius: 10px;
+    font-size: 11px;
+    font-weight: 500;
+    background: #e0e7ff;
+    color: #4338ca;
+}
+.hitl-mode-tag--review_edit {
+    background: #fef3c7;
+    color: #92400e;
+}
+
+.hitl-pending-meta {
+    font-size: 12px;
+    color: #94a3b8;
     margin-bottom: 8px;
+    word-break: break-all;
+}
+
+.hitl-pending-payload {
+    white-space: pre-wrap;
+    word-break: break-all;
+    max-height: 160px;
+    overflow: auto;
+    margin: 0 0 4px 0;
+    padding: 10px 12px;
+    border-radius: 8px;
+    background: #fff;
+    border: 1px solid #e2e8f0;
+    font-size: 12px;
+    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
+    color: #334155;
+    line-height: 1.5;
+}
+
+.hitl-pending-item-header-right {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+.hitl-dismiss-btn {
+    background: none;
+    border: none;
+    cursor: pointer;
+    font-size: 18px;
+    line-height: 1;
+    color: var(--text-secondary, #64748b);
+    padding: 2px 6px;
+    border-radius: 4px;
+    transition: background 0.15s, color 0.15s;
+}
+.hitl-dismiss-btn:hover {
+    background: rgba(239, 68, 68, 0.1);
+    color: #ef4444;
 }
 
 .hitl-pending-actions {
     display: flex;
     gap: 8px;
-    margin-top: 10px;
+    margin-top: 12px;
+    padding-top: 12px;
+    border-top: 1px solid #e2e8f0;
 }
 
 .hitl-edit-args {
     width: 100%;
     min-height: 76px;
     margin-top: 8px;
-    border: 1px solid rgba(148, 163, 184, 0.35);
+    border: 1px solid #e2e8f0;
     border-radius: 8px;
     background: #ffffff;
     color: #1f2937;
-    padding: 8px;
+    padding: 10px 12px;
     font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
     font-size: 12px;
+    transition: border-color 0.15s, box-shadow 0.15s;
+}
+.hitl-edit-args:focus {
+    outline: none;
+    border-color: var(--accent-color, #0066ff);
+    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
 }
 
 .hitl-input-help {
     margin-top: 6px;
     margin-bottom: 6px;
     font-size: 12px;
-    color: #64748b;
+    color: var(--accent-color, #0066ff);
     line-height: 1.4;
 }
 
diff --git a/web/static/js/hitl.js b/web/static/js/hitl.js
index d7c9c97e..5334b41b 100644
--- a/web/static/js/hitl.js
+++ b/web/static/js/hitl.js
@@ -282,21 +282,29 @@ async function refreshHitlPending() {
             const preview = payload.length > 280 ? (payload.slice(0, 280) + '...') : payload;
             const mode = String(item.mode || '').trim().toLowerCase();
             const allowEdit = mode === 'review_edit';
+            var escId = escapeHtml(String(item.id || ''));
+            var qId = JSON.stringify(String(item.id || '')).replace(/"/g, '"');
+            var qConv = JSON.stringify(String(item.conversationId || '')).replace(/"/g, '"');
             return (
                 '<div class="hitl-pending-item">' +
                 '<div class="hitl-pending-item-header">' +
-                '<strong>' + escapeHtml(item.toolName || '-') + '</strong>' +
-                '<span>' + escapeHtml(item.mode || '-') + '</span>' +
+                '<div class="hitl-pending-item-title">' +
+                '<span class="hitl-tool-badge">' + escapeHtml(item.toolName || '-') + '</span>' +
+                '<span class="hitl-mode-tag hitl-mode-tag--' + escapeHtml(mode) + '">' + escapeHtml(item.mode || '-') + '</span>' +
                 '</div>' +
-                '<div><small>conversation: ' + escapeHtml(item.conversationId || '-') + '</small></div>' +
-                '<pre style="white-space:pre-wrap;max-height:160px;overflow:auto;">' + escapeHtml(preview) + '</pre>' +
+                '<button class="hitl-dismiss-btn" title="忽略" onclick="dismissHitlItem(' + qId + ')">&times;</button>' +
+                '</div>' +
+                '<div class="hitl-pending-meta">会话：' + escapeHtml(item.conversationId || '-') + '</div>' +
+                '<pre class="hitl-pending-payload">' + escapeHtml(preview) + '</pre>' +
                 (allowEdit
-                    ? ('<div class="hitl-input-help">审查编辑模式：可填写 JSON 对象覆盖参数，示例：{"command":"ls -la"}</div>' +
-                       '<textarea id="hitl-edit-' + escapeHtml(String(item.id || '')) + '" class="hitl-edit-args" placeholder=\'{"command":"ls -la"}\'></textarea>')
+                    ? ('<div class="hitl-input-help">审查编辑模式：可填写 JSON 对象覆盖参数。示例：{"command":"ls -la"}</div>' +
+                       '<textarea id="hitl-edit-' + escId + '" class="hitl-edit-args" placeholder=\'{"command":"ls -la"}\'></textarea>')
                     : '<div class="hitl-input-help">审批模式：仅通过/拒绝，不支持改参。</div>') +
+                '<div class="hitl-input-help">备注（可选）：建议写审批依据。</div>' +
+                '<input id="hitl-comment-' + escId + '" class="hitl-config-input hitl-inline-comment" type="text" placeholder="例如：允许只读命令">' +
                 '<div class="hitl-pending-actions">' +
-                '<button class="btn-primary" onclick="submitHitlDecision(' + JSON.stringify(String(item.id || '')) + ',\'approve\',' + JSON.stringify(String(item.conversationId || '')) + ')">通过</button>' +
-                '<button class="btn-secondary" onclick="submitHitlDecision(' + JSON.stringify(String(item.id || '')) + ',\'reject\',' + JSON.stringify(String(item.conversationId || '')) + ')">拒绝</button>' +
+                '<button class="btn-secondary" onclick="submitHitlDecision(' + qId + ',&quot;reject&quot;,' + qConv + ')">拒绝</button>' +
+                '<button class="btn-primary" onclick="submitHitlDecision(' + qId + ',&quot;approve&quot;,' + qConv + ')">通过</button>' +
                 '</div>' +
                 '</div>'
             );
@@ -307,7 +315,8 @@ async function refreshHitlPending() {
 }
 
 async function submitHitlDecision(interruptId, decision, conversationIdOpt) {
-    const comment = prompt('审批备注（可选）') || '';
+    const commentBox = document.getElementById('hitl-comment-' + interruptId);
+    const comment = (commentBox && commentBox.value) ? commentBox.value.trim() : '';
     let editedArguments = null;
     const editBox = document.getElementById('hitl-edit-' + interruptId);
     if (editBox && editBox.value && editBox.value.trim()) {
@@ -332,7 +341,7 @@ async function submitHitlDecisionWithPayload(interruptId, decision, comment, edi
     if (!resp.ok) {
         const errText = await readHitlApiError(resp);
         if (resp.status === 409 && (errText.indexOf('already resolved') >= 0 || errText.indexOf('not found') >= 0)) {
-            refreshHitlPending();
+            await dismissHitlItem(interruptId, true);
             return true;
         }
         alert('提交失败：' + errText);
@@ -363,9 +372,24 @@ async function readHitlApiError(resp) {
     }
 }
 
+async function dismissHitlItem(interruptId, silent) {
+    try {
+        await hitlApiFetch('/api/hitl/dismiss', {
+            method: 'POST',
+            credentials: 'same-origin',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ interruptId: interruptId })
+        });
+    } catch (e) {
+        if (!silent) { console.warn('dismissHitlItem', e); }
+    }
+    refreshHitlPending();
+}
+
 window.refreshHitlPending = refreshHitlPending;
 window.submitHitlDecision = submitHitlDecision;
 window.submitHitlDecisionWithPayload = submitHitlDecisionWithPayload;
+window.dismissHitlItem = dismissHitlItem;
 window.followAgentRunAfterHitlDecision = followAgentRunAfterHitlDecision;
 
 window.addEventListener('hitl-interrupt', function () {
diff --git a/web/templates/index.html b/web/templates/index.html
index 069838d7..65213f21 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -117,10 +117,9 @@
                     <div class="nav-item" data-page="hitl">
                         <div class="nav-item-content" data-title="人机协同" onclick="switchPage('hitl')">
                             <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
-                                <circle cx="8" cy="7" r="3"></circle>
-                                <circle cx="16" cy="7" r="3"></circle>
-                                <path d="M2 20c0-3 2.5-5 6-5s6 2 6 5"></path>
-                                <path d="M10 20h12"></path>
+                                <path d="M16 21v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2"></path>
+                                <circle cx="9" cy="7" r="4"></circle>
+                                <polyline points="16 11 18 13 22 9"></polyline>
                             </svg>
                             <span data-i18n="nav.hitl">人机协同</span>
                         </div>