diff --git a/web/static/css/style.css b/web/static/css/style.css
index 615268e6..e4cefcee 100644
--- a/web/static/css/style.css
+++ b/web/static/css/style.css
@@ -22376,13 +22376,76 @@ body.projects-modal-open {
 .chat-project-panel {
     width: 280px;
 }
+/* 列表 + 底部按钮共用同一内容宽度，避免滚动条缩进导致左右不齐 */
+.chat-project-panel-body {
+    display: flex;
+    flex-direction: column;
+    flex: 1;
+    min-height: 0;
+    width: 100%;
+}
+.chat-project-panel .role-selection-list-main {
+    flex: 1;
+    min-height: 0;
+    max-height: min(360px, 50vh);
+    padding-right: 0;
+    margin: 0;
+    width: 100%;
+}
+.chat-project-panel .role-selection-item-main {
+    width: 100%;
+    min-width: 0;
+}
 .chat-project-panel-loading,
 .chat-project-panel-empty {
-    padding: 16px 14px;
+    padding: 16px 0;
     font-size: 0.8125rem;
     color: #64748b;
     text-align: center;
 }
+.chat-project-panel-footer {
+    flex-shrink: 0;
+    margin-top: 6px;
+    padding-top: 10px;
+    border-top: 1px solid rgba(0, 0, 0, 0.06);
+    width: 100%;
+}
+.chat-project-panel .role-selection-item-main.chat-project-panel-create-btn {
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    justify-content: center;
+    gap: 8px;
+    width: 100%;
+    min-width: 0;
+    padding: 12px;
+    border: 1.5px dashed rgba(99, 102, 241, 0.45);
+    border-radius: 12px;
+    background: rgba(99, 102, 241, 0.06);
+    color: #4f46e5;
+    font-size: 0.8125rem;
+    font-weight: 600;
+    box-shadow: none;
+    transform: none;
+}
+.chat-project-panel .role-selection-item-main.chat-project-panel-create-btn:hover,
+.chat-project-panel .role-selection-item-main.chat-project-panel-create-btn:focus-visible,
+.chat-project-panel .role-selection-item-main.chat-project-panel-create-btn:active {
+    background: rgba(99, 102, 241, 0.12);
+    border-color: rgba(99, 102, 241, 0.65);
+    color: #4338ca;
+    box-shadow: none;
+    transform: none;
+}
+.chat-project-panel-create-icon {
+    flex-shrink: 0;
+    font-size: 1.125rem;
+    line-height: 1;
+    font-weight: 500;
+}
+.chat-project-panel-create-label {
+    line-height: 1.4;
+}
 @media (max-width: 900px) {
     #page-projects .page-content.projects-page-layout {
         flex-direction: column;
diff --git a/web/static/js/projects.js b/web/static/js/projects.js
index b7e5e0ff..533e6657 100644
--- a/web/static/js/projects.js
+++ b/web/static/js/projects.js
@@ -906,6 +906,13 @@ function showNewProjectModal() {
     openProjectsOverlay('project-modal');
 }
 
+/** 从对话区「选择项目」面板打开新建项目，创建成功后自动绑定当前对话 */
+function showNewProjectModalFromChat() {
+    closeChatProjectPanel();
+    window._projectModalFromChat = true;
+    showNewProjectModal();
+}
+
 async function saveProjectModal() {
     const name = document.getElementById('project-modal-name').value.trim();
     if (!name) return alert('请输入项目名称');
@@ -922,13 +929,22 @@ async function saveProjectModal() {
         alert(err.error || '保存失败');
         return;
     }
+    const fromChat = !!window._projectModalFromChat;
+    window._projectModalFromChat = false;
     closeProjectModal();
     const saved = await res.json();
     await loadProjectsList();
-    if (saved.id) await selectProject(saved.id);
+    if (saved.id) {
+        if (fromChat && !editId) {
+            await applyChatProjectSelection(saved.id);
+        } else {
+            await selectProject(saved.id);
+        }
+    }
 }
 
 function closeProjectModal() {
+    window._projectModalFromChat = false;
     closeProjectsOverlay('project-modal');
 }
 
@@ -1259,7 +1275,7 @@ function renderChatProjectPanelList() {
     const activeProjects = projectsCache.filter((p) => p.status !== 'archived');
     const items = [{ id: '', name: '无项目', description: '不绑定项目黑板' }, ...activeProjects];
     if (!items.length) {
-        list.innerHTML = '<div class="chat-project-panel-empty">暂无项目，可在「项目管理」中创建</div>';
+        list.innerHTML = '<div class="chat-project-panel-empty">暂无项目，点击下方「新建项目」</div>';
         return;
     }
     list.innerHTML = '';
@@ -1414,6 +1430,7 @@ if (document.readyState === 'loading') {
 
 window.initProjectsPage = initProjectsPage;
 window.showNewProjectModal = showNewProjectModal;
+window.showNewProjectModalFromChat = showNewProjectModalFromChat;
 window.saveProjectModal = saveProjectModal;
 window.closeProjectModal = closeProjectModal;
 window.selectProject = selectProject;
diff --git a/web/templates/index.html b/web/templates/index.html
index a87d8dcd..bab5b465 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -972,7 +972,15 @@
                                                 </svg>
                                             </button>
                                         </div>
-                                        <div id="chat-project-list" class="role-selection-list-main"></div>
+                                        <div class="chat-project-panel-body">
+                                            <div id="chat-project-list" class="role-selection-list-main"></div>
+                                            <div class="chat-project-panel-footer">
+                                                <button type="button" class="role-selection-item-main chat-project-panel-create-btn" onclick="showNewProjectModalFromChat()">
+                                                    <span class="chat-project-panel-create-icon" aria-hidden="true">+</span>
+                                                    <span class="chat-project-panel-create-label">新建项目</span>
+                                                </button>
+                                            </div>
+                                        </div>
                                     </div>
                                 </div>
                                 <div id="role-selector-wrapper" class="role-selector-wrapper">