diff --git a/lightrag/api/static/index.html b/lightrag/api/static/index.html
index 04bdd84c..7865d6e7 100644
--- a/lightrag/api/static/index.html
+++ b/lightrag/api/static/index.html
@@ -384,6 +384,43 @@
         }
     });
 
+    function addCopyButtons() {
+        // Adds a copy button to all code tags
+        document.querySelectorAll('pre').forEach(pre => {
+            if (!pre.querySelector('.copy-button')) {
+                const button = document.createElement('button');
+                button.className = 'copy-button absolute top-2 right-2 p-2 bg-slate-700 text-white rounded-md opacity-0 group-hover:opacity-100 transition-opacity';
+                button.innerHTML = `
+                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" 
+                              d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" />
+                    </svg>
+                `;
+                
+                pre.style.position = 'relative';
+                pre.classList.add('group');
+                
+                button.addEventListener('click', () => {
+                    navigator.clipboard.writeText(pre.querySelector('code').textContent);
+                    button.innerHTML = `
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
+                        </svg>
+                    `;
+                    setTimeout(() => {
+                        button.innerHTML = `
+                            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" 
+                                      d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" />
+                            </svg>
+                        `;
+                    }, 2000);
+                });
+                
+                pre.appendChild(button);
+            }
+        });
+    }
 
     queryForm.addEventListener('submit', async (e) => {
         e.preventDefault();
@@ -451,6 +488,8 @@
                 queryResponse.innerHTML = '<p class="text-slate-600">No response data received</p>';
             }
     
+            // Call this after loading markdown content
+            addCopyButtons();
             // Optional: Add sources if available
             if (data.sources && data.sources.length > 0) {
                 const sourcesHtml = `