diff --git a/internal/web/ui/templates/console.html b/internal/web/ui/templates/console.html
index 258ae10..229ac60 100644
--- a/internal/web/ui/templates/console.html
+++ b/internal/web/ui/templates/console.html
@@ -248,7 +248,8 @@
     box.style.cssText = 'background:var(--surface);border-radius:8px;padding:20px;min-width:300px;max-width:400px';
     box.addEventListener('click',function(e){e.stopPropagation()});
     box.innerHTML = '<div style="font-size:14px;font-weight:600;margin-bottom:12px">为设备添加视频源 (' + visible.length + '路可用)</div>' +
-      '<div style="max-height:60vh;overflow-y:auto;margin-bottom:12px">';
+      '<div style="max-height:60vh;overflow-y:auto;margin-bottom:0"></div>';
+    var list = box.querySelector('div:last-child');
     visible.forEach(function(name) {
       var item = document.createElement('div');
       item.textContent = name;
@@ -259,10 +260,13 @@
         addSourceToDeviceForm(deviceID, name);
         overlay.remove();
       });
-      box.querySelector('div:last-child').appendChild(item);
+      list.appendChild(item);
     });
-    box.innerHTML += '</div><div style="text-align:right"><button class="btn" style="font-size:12px">取消</button></div>';
-    box.querySelector('button').addEventListener('click',function(){overlay.remove()});
+    var footer = document.createElement('div');
+    footer.style.cssText = 'margin-top:12px;text-align:right';
+    footer.innerHTML = '<button class="btn" style="font-size:12px">取消</button>';
+    footer.querySelector('button').addEventListener('click',function(){overlay.remove()});
+    box.appendChild(footer);
     overlay.appendChild(box);
     document.body.appendChild(overlay);
   };
@@ -306,7 +310,8 @@
     box.style.cssText = 'background:var(--surface);border-radius:8px;padding:20px;min-width:300px;max-width:400px';
     box.addEventListener('click',function(e){e.stopPropagation()});
     box.innerHTML = '<div style="font-size:14px;font-weight:600;margin-bottom:12px">分配 "' + sourceName + '" 到设备</div>' +
-      '<div style="max-height:60vh;overflow-y:auto;margin-bottom:12px">';
+      '<div style="max-height:60vh;overflow-y:auto;margin-bottom:0"></div>';
+    var list = box.querySelector('div:last-child');
     rows.forEach(function(row) {
       var did = row.getAttribute('data-device-id');
       var nameEl = row.querySelector('.console-device-name');
@@ -322,10 +327,13 @@
         addSourceToDeviceForm(did, sourceName);
         overlay.remove();
       });
-      box.querySelector('div:last-child').appendChild(item);
+      list.appendChild(item);
     });
-    box.innerHTML += '</div><div style="text-align:right"><button class="btn" style="font-size:12px">取消</button></div>';
-    box.querySelector('button').addEventListener('click',function(){overlay.remove()});
+    var footer = document.createElement('div');
+    footer.style.cssText = 'margin-top:12px;text-align:right';
+    footer.innerHTML = '<button class="btn" style="font-size:12px">取消</button>';
+    footer.querySelector('button').addEventListener('click',function(){overlay.remove()});
+    box.appendChild(footer);
     overlay.appendChild(box);
     document.body.appendChild(overlay);
   }
diff --git a/safesightd-linux-arm64 b/safesightd-linux-arm64
index 16205f5..323136f 100644
Binary files a/safesightd-linux-arm64 and b/safesightd-linux-arm64 differ