diff --git a/web/static/css/c2.css b/web/static/css/c2.css
index 2a473a4b..cd71cf82 100644
--- a/web/static/css/c2.css
+++ b/web/static/css/c2.css
@@ -1371,7 +1371,6 @@
    Modal
    ============================================================================ */
 
-/* Toast 须高于模态遮罩 (10050)，避免被 backdrop-filter 模糊 */
 #c2-toast-container {
     z-index: 10100 !important;
 }
@@ -1379,9 +1378,7 @@
 .c2-modal-overlay {
     position: fixed;
     top: 0; left: 0; right: 0; bottom: 0;
-    background: rgba(15, 23, 42, 0.5);
-    backdrop-filter: blur(8px);
-    -webkit-backdrop-filter: blur(8px);
+    background: rgba(15, 23, 42, 0.52);
     display: flex;
     align-items: center;
     justify-content: center;
@@ -1404,7 +1401,8 @@
     overflow-y: auto;
     box-shadow: var(--c2-shadow-lg);
     border: 1px solid var(--c2-border);
-    animation: c2-slide-up 0.2s ease-out;
+    animation: c2-slide-up 0.18s ease-out;
+    contain: layout style paint;
 }
 
 @keyframes c2-slide-up {
diff --git a/web/static/css/style.css b/web/static/css/style.css
index 505ad666..05ea252a 100644
--- a/web/static/css/style.css
+++ b/web/static/css/style.css
@@ -3326,9 +3326,9 @@ header {
     top: 0;
     width: 100%;
     height: 100%;
-    background-color: rgba(0, 0, 0, 0.6);
+    background-color: rgba(15, 23, 42, 0.52);
     overflow: auto;
-    animation: fadeIn 0.2s ease-in;
+    animation: fadeIn 0.15s ease-out;
 }
 
 .modal-content {
@@ -3343,8 +3343,9 @@ header {
     flex-direction: column;
     box-shadow: var(--shadow-lg);
     border: 1px solid var(--border-color);
-    animation: slideDown 0.3s ease-out;
+    animation: slideDown 0.18s ease-out;
     overflow: hidden;
+    contain: layout style paint;
 }
 
 @keyframes slideDown {
@@ -19374,6 +19375,8 @@ tr.mcp-stats-tool-row[data-tool-name]:focus-visible {
     cursor: pointer;
     transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
     position: relative;
+    min-width: 0;
+    overflow: hidden;
 }
 
 .role-selection-item-main:hover {
@@ -19436,6 +19439,10 @@ tr.mcp-stats-tool-row[data-tool-name]:focus-visible {
     margin: 0;
     transition: color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
     letter-spacing: -0.01em;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    overflow-wrap: anywhere;
 }
 
 .role-selection-item-main.selected .role-selection-item-name-main {
@@ -19443,6 +19450,10 @@ tr.mcp-stats-tool-row[data-tool-name]:focus-visible {
     font-weight: 600;
 }
 
+.role-selection-item-main.selected .role-selection-item-content-main {
+    padding-right: 24px;
+}
+
 .role-selection-item-description-main {
     font-size: 0.75rem;
     color: #666666;
@@ -23777,10 +23788,8 @@ button.chat-files-dropdown-item:hover:not(:disabled) {
     justify-content: center;
     padding: 24px 16px;
     box-sizing: border-box;
-    background: rgba(15, 23, 42, 0.45);
-    backdrop-filter: blur(4px);
-    -webkit-backdrop-filter: blur(4px);
-    animation: projectsOverlayIn 0.2s ease-out;
+    background: rgba(15, 23, 42, 0.52);
+    animation: projectsOverlayIn 0.15s ease-out;
 }
 @keyframes projectsOverlayIn {
     from { opacity: 0; }
@@ -23798,7 +23807,8 @@ button.chat-files-dropdown-item:hover:not(:disabled) {
         0 24px 48px rgba(15, 23, 42, 0.18),
         0 0 0 1px rgba(15, 23, 42, 0.06);
     overflow: hidden;
-    animation: projectsDialogIn 0.25s cubic-bezier(0.22, 1, 0.36, 1);
+    animation: projectsDialogIn 0.18s cubic-bezier(0.22, 1, 0.36, 1);
+    contain: layout style paint;
 }
 .projects-modal-dialog--wide {
     max-width: 640px;
@@ -23859,6 +23869,13 @@ button.chat-files-dropdown-item:hover:not(:disabled) {
     padding: 10px 12px;
     font-size: 0.875rem;
     transition: border-color 0.15s, box-shadow 0.15s;
+    width: 100%;
+    min-width: 0;
+    box-sizing: border-box;
+}
+#project-modal-name {
+    overflow: hidden;
+    text-overflow: ellipsis;
 }
 .projects-modal-body .form-input:focus {
     outline: none;
@@ -23882,7 +23899,8 @@ button.chat-files-dropdown-item:hover:not(:disabled) {
 .projects-modal-footer .btn-primary {
     min-width: 100px;
 }
-body.projects-modal-open {
+body.projects-modal-open,
+body.app-modal-open {
     overflow: hidden;
 }
 .fact-detail-prev-wrap {
@@ -24030,8 +24048,11 @@ body.projects-modal-open {
 /* 对话区项目选择器（与角色/代理模式共用 role-selector-*） */
 .project-selector-wrapper .role-selector-text {
     max-width: 108px;
+    min-width: 0;
+    flex-shrink: 1;
     overflow: hidden;
     text-overflow: ellipsis;
+    white-space: nowrap;
 }
 .chat-project-panel {
     width: 280px;
@@ -24051,6 +24072,7 @@ body.projects-modal-open {
     padding-right: 0;
     margin: 0;
     width: 100%;
+    overflow-x: hidden;
 }
 .chat-project-panel .role-selection-item-main {
     width: 100%;
diff --git a/web/static/js/agents.js b/web/static/js/agents.js
index bb0d759c..27fbf1f9 100644
--- a/web/static/js/agents.js
+++ b/web/static/js/agents.js
@@ -105,45 +105,48 @@ function showAddMarkdownAgentModal() {
     document.getElementById('agent-md-bind-role').value = '';
     document.getElementById('agent-md-max-iter').value = '0';
     document.getElementById('agent-md-instruction').value = '';
-    if (modal) modal.style.display = 'flex';
+    openAppModal('agent-md-modal');
 }
 
 async function editMarkdownAgent(filename) {
     if (!filename) return;
-    const modal = document.getElementById('agent-md-modal');
     const title = document.getElementById('agent-md-modal-title');
     const row = document.getElementById('agent-md-filename-row');
     markdownAgentsEditingFilename = null;
     markdownAgentsEditingIsOrchestrator = false;
     if (title) title.textContent = _agentsT('agentsPage.editTitle');
     if (row) row.style.display = 'none';
+    document.getElementById('agent-md-instruction').value = '';
+    openAppModal('agent-md-modal', { focus: false });
     try {
         const r = await apiFetch('/api/multi-agent/markdown-agents/' + encodeURIComponent(filename));
         const data = await r.json();
         if (!r.ok) throw new Error(data.error || r.statusText);
         markdownAgentsEditingFilename = data.filename || filename;
         markdownAgentsEditingIsOrchestrator = !!data.is_orchestrator;
-        document.getElementById('agent-md-filename-current').value = data.filename || filename;
-        document.getElementById('agent-md-filename').value = data.filename || filename;
-        document.getElementById('agent-md-filename').disabled = true;
-        var roleEl2 = document.getElementById('agent-md-role');
-        if (roleEl2) roleEl2.value = data.is_orchestrator ? 'orchestrator' : 'sub';
-        document.getElementById('agent-md-id').value = data.id || '';
-        document.getElementById('agent-md-name').value = data.name || '';
-        document.getElementById('agent-md-description').value = data.description || '';
-        document.getElementById('agent-md-tools').value = Array.isArray(data.tools) ? data.tools.join(', ') : '';
-        document.getElementById('agent-md-bind-role').value = data.bind_role || '';
-        document.getElementById('agent-md-max-iter').value = String(data.max_iterations != null ? data.max_iterations : 0);
-        document.getElementById('agent-md-instruction').value = data.instruction || '';
-        if (modal) modal.style.display = 'flex';
+        deferModalContent(function () {
+            document.getElementById('agent-md-filename-current').value = data.filename || filename;
+            document.getElementById('agent-md-filename').value = data.filename || filename;
+            document.getElementById('agent-md-filename').disabled = true;
+            var roleEl2 = document.getElementById('agent-md-role');
+            if (roleEl2) roleEl2.value = data.is_orchestrator ? 'orchestrator' : 'sub';
+            document.getElementById('agent-md-id').value = data.id || '';
+            document.getElementById('agent-md-name').value = data.name || '';
+            document.getElementById('agent-md-description').value = data.description || '';
+            document.getElementById('agent-md-tools').value = Array.isArray(data.tools) ? data.tools.join(', ') : '';
+            document.getElementById('agent-md-bind-role').value = data.bind_role || '';
+            document.getElementById('agent-md-max-iter').value = String(data.max_iterations != null ? data.max_iterations : 0);
+            document.getElementById('agent-md-instruction').value = data.instruction || '';
+            document.getElementById('agent-md-name')?.focus();
+        });
     } catch (e) {
+        closeMarkdownAgentModal();
         showNotification(_agentsT('agentsPage.loadOneFailed') + ': ' + e.message, 'error');
     }
 }
 
 function closeMarkdownAgentModal() {
-    const modal = document.getElementById('agent-md-modal');
-    if (modal) modal.style.display = 'none';
+    closeAppModal('agent-md-modal');
     markdownAgentsEditingFilename = null;
     markdownAgentsEditingIsOrchestrator = false;
 }
diff --git a/web/static/js/audit.js b/web/static/js/audit.js
index 84ec4bc0..30572951 100644
--- a/web/static/js/audit.js
+++ b/web/static/js/audit.js
@@ -533,56 +533,61 @@ async function exportAuditLogsCsv() {
 }
 
 function closeAuditDetailModal() {
+    closeAppModal('audit-detail-modal');
     const el = document.getElementById('audit-detail-modal');
     if (el) el.remove();
+    syncAppModalBodyLock();
 }
 
 async function showAuditLogDetail(id) {
     if (!id || typeof apiFetch !== 'function') return;
     const esc = typeof escapeHtml === 'function' ? escapeHtml : function (s) { return String(s || ''); };
     try {
+        closeAuditDetailModal();
+        const overlay = document.createElement('div');
+        overlay.id = 'audit-detail-modal';
+        overlay.className = 'modal';
+        document.body.appendChild(overlay);
+        openAppModal(overlay, { focus: false });
         const r = await apiFetch('/api/audit/logs/' + encodeURIComponent(id));
         if (!r.ok) throw new Error('not found');
         const data = await r.json();
         const log = data.log || {};
         const detail = log.detail ? JSON.stringify(log.detail, null, 2) : '';
-        closeAuditDetailModal();
-        const overlay = document.createElement('div');
-        overlay.id = 'audit-detail-modal';
-        overlay.className = 'modal';
-        overlay.style.display = 'block';
         const catAction = esc(auditCategoryLabel(log.category || '')) + ' / ' + esc(auditActionLabel(log.action || ''));
-        overlay.innerHTML =
-            '<div class="modal-content" style="max-width: 720px;">' +
-            '<div class="modal-header">' +
-            '<h2>' + esc(auditT('settingsAudit.detailTitle', null, '审计详情')) + '</h2>' +
-            '<span class="modal-close" onclick="closeAuditDetailModal()">&times;</span>' +
-            '</div>' +
-            '<div class="modal-body audit-detail-body">' +
-            '<p><strong>' + esc(auditT('settingsAudit.detailTime', null, '时间')) + ':</strong> ' + esc(formatAuditTime(log.createdAt)) + '</p>' +
-            '<p><strong>' + esc(auditT('settingsAudit.detailCategory', null, '类别')) + ':</strong> ' + catAction + '</p>' +
-            '<p><strong>' + esc(auditT('settingsAudit.detailResult', null, '结果')) + ':</strong> ' + esc(log.result || '') + '</p>' +
-            '<p><strong>' + esc(auditT('settingsAudit.detailMessage', null, '说明')) + ':</strong> ' + esc(log.message || '') + '</p>' +
-            (log.clientIp ? '<p><strong>IP:</strong> ' + esc(log.clientIp) + '</p>' : '') +
-            (log.sessionHint ? '<p><strong>' + esc(auditT('settingsAudit.detailSession', null, '会话')) + ':</strong> ' + esc(log.sessionHint) + '</p>' : '') +
-            (log.userAgent ? '<p><strong>UA:</strong> ' + esc(log.userAgent) + '</p>' : '') +
-            auditResourceMeta(log) +
-            (detail ? '<pre class="audit-detail-pre">' + esc(detail) + '</pre>' : '') +
-            '</div>' +
-            '<div class="modal-footer"><button type="button" class="btn-secondary" onclick="closeAuditDetailModal()">' +
-            esc(auditT('common.close', null, '关闭')) + '</button></div>' +
-            '</div>';
-        document.body.appendChild(overlay);
-        const chatBtn = overlay.querySelector('.audit-open-chat-btn');
-        if (chatBtn) {
-            chatBtn.addEventListener('click', function () {
-                auditOpenConversationChat(chatBtn.getAttribute('data-conversation-id'));
+        deferModalContent(function () {
+            overlay.innerHTML =
+                '<div class="modal-content" style="max-width: 720px;">' +
+                '<div class="modal-header">' +
+                '<h2>' + esc(auditT('settingsAudit.detailTitle', null, '审计详情')) + '</h2>' +
+                '<span class="modal-close" onclick="closeAuditDetailModal()">&times;</span>' +
+                '</div>' +
+                '<div class="modal-body audit-detail-body">' +
+                '<p><strong>' + esc(auditT('settingsAudit.detailTime', null, '时间')) + ':</strong> ' + esc(formatAuditTime(log.createdAt)) + '</p>' +
+                '<p><strong>' + esc(auditT('settingsAudit.detailCategory', null, '类别')) + ':</strong> ' + catAction + '</p>' +
+                '<p><strong>' + esc(auditT('settingsAudit.detailResult', null, '结果')) + ':</strong> ' + esc(log.result || '') + '</p>' +
+                '<p><strong>' + esc(auditT('settingsAudit.detailMessage', null, '说明')) + ':</strong> ' + esc(log.message || '') + '</p>' +
+                (log.clientIp ? '<p><strong>IP:</strong> ' + esc(log.clientIp) + '</p>' : '') +
+                (log.sessionHint ? '<p><strong>' + esc(auditT('settingsAudit.detailSession', null, '会话')) + ':</strong> ' + esc(log.sessionHint) + '</p>' : '') +
+                (log.userAgent ? '<p><strong>UA:</strong> ' + esc(log.userAgent) + '</p>' : '') +
+                auditResourceMeta(log) +
+                (detail ? '<pre class="audit-detail-pre">' + esc(detail) + '</pre>' : '') +
+                '</div>' +
+                '<div class="modal-footer"><button type="button" class="btn-secondary" onclick="closeAuditDetailModal()">' +
+                esc(auditT('common.close', null, '关闭')) + '</button></div>' +
+                '</div>';
+            const chatBtn = overlay.querySelector('.audit-open-chat-btn');
+            if (chatBtn) {
+                chatBtn.addEventListener('click', function () {
+                    auditOpenConversationChat(chatBtn.getAttribute('data-conversation-id'));
+                });
+            }
+            overlay.addEventListener('click', function (ev) {
+                if (ev.target === overlay) closeAuditDetailModal();
             });
-        }
-        overlay.addEventListener('click', function (ev) {
-            if (ev.target === overlay) closeAuditDetailModal();
         });
     } catch (e) {
+        closeAuditDetailModal();
         if (typeof showToast === 'function') {
             showToast(e.message || String(e), 'error');
         }
diff --git a/web/static/js/auth.js b/web/static/js/auth.js
index 5f3721e4..ed443351 100644
--- a/web/static/js/auth.js
+++ b/web/static/js/auth.js
@@ -72,7 +72,7 @@ function showLoginOverlay(message = '') {
     if (!overlay) {
         return;
     }
-    overlay.style.display = 'flex';
+    openAppModal('login-overlay', { focus: false });
     if (errorBox) {
         if (message) {
             errorBox.textContent = message;
@@ -82,7 +82,7 @@ function showLoginOverlay(message = '') {
             errorBox.style.display = 'none';
         }
     }
-    setTimeout(() => {
+    setTimeout(function () {
         if (passwordInput) {
             passwordInput.focus();
         }
@@ -93,9 +93,7 @@ function hideLoginOverlay() {
     const overlay = document.getElementById('login-overlay');
     const errorBox = document.getElementById('login-error');
     const passwordInput = document.getElementById('login-password');
-    if (overlay) {
-        overlay.style.display = 'none';
-    }
+    closeAppModal('login-overlay');
     if (errorBox) {
         errorBox.textContent = '';
         errorBox.style.display = 'none';
diff --git a/web/static/js/c2.js b/web/static/js/c2.js
index 7ce93681..c7849af6 100644
--- a/web/static/js/c2.js
+++ b/web/static/js/c2.js
@@ -478,7 +478,7 @@
         const content = document.getElementById('c2-modal-content');
         if (!content || !modal) return;
 
-        modal.style.display = 'flex';
+        openAppModal(modal);
         content.innerHTML = `
             <div class="c2-modal-header">
                 <h3>${escapeHtml(c2t('c2.listeners.modalCreateTitle'))}</h3>
@@ -635,7 +635,7 @@
         const content = document.getElementById('c2-modal-content');
         if (!content || !modal) return;
 
-        modal.style.display = 'flex';
+        openAppModal(modal);
         content.innerHTML = `
             <div class="c2-modal-header">
                 <h3>${escapeHtml(c2t('c2.listeners.editTitle'))}</h3>
@@ -2376,7 +2376,7 @@
                 <button class="btn-secondary" onclick="C2.closeModal()">${escapeHtml(c2t('common.close'))}</button>
             </div>
         `;
-            modal.style.display = 'flex';
+            openAppModal(modal);
         };
 
         const local = C2.tasks.find(x => x.id === id);
@@ -2920,7 +2920,7 @@
                 <button class="btn-primary" onclick="C2.createProfile()">${escapeHtml(c2t('c2.profiles.submitCreate'))}</button>
             </div>
         `;
-        modal.style.display = 'flex';
+        openAppModal(modal);
     };
 
     C2.createProfile = function() {
@@ -2981,10 +2981,10 @@
     C2.closeModal = function() {
         const modal = document.getElementById('c2-modal');
         if (modal) {
-            modal.style.display = 'none';
             const modalBox = modal.querySelector('.c2-modal');
             if (modalBox) modalBox.classList.remove('c2-modal--wide');
         }
+        closeAppModal('c2-modal');
     };
 
     // ============================================================================
diff --git a/web/static/js/chat-files.js b/web/static/js/chat-files.js
index 1c843733..5c71999d 100644
--- a/web/static/js/chat-files.js
+++ b/web/static/js/chat-files.js
@@ -1002,7 +1002,7 @@ async function openChatFilesEdit(relativePath) {
     const modal = document.getElementById('chat-files-edit-modal');
     if (pathEl) pathEl.textContent = relativePath;
     if (ta) ta.value = '';
-    if (modal) modal.style.display = 'block';
+    openAppModal('chat-files-edit-modal', { focus: false });
 
     try {
         const res = await apiFetch('/api/chat-uploads/content?path=' + encodeURIComponent(relativePath));
@@ -1017,16 +1017,19 @@ async function openChatFilesEdit(relativePath) {
             throw new Error(errText || res.status);
         }
         const data = await res.json();
-        if (ta) ta.value = data.content != null ? String(data.content) : '';
+        const content = data.content != null ? String(data.content) : '';
+        deferModalContent(() => {
+            if (ta) ta.value = content;
+            ta?.focus();
+        });
     } catch (e) {
-        if (modal) modal.style.display = 'none';
+        closeAppModal('chat-files-edit-modal');
         alert(chatFilesAlertMessage(e && e.message));
     }
 }
 
 function closeChatFilesEditModal() {
-    const modal = document.getElementById('chat-files-edit-modal');
-    if (modal) modal.style.display = 'none';
+    closeAppModal('chat-files-edit-modal');
     chatFilesEditRelativePath = '';
 }
 
@@ -1060,7 +1063,7 @@ function openChatFilesRename(relativePath, currentName) {
         input.value = currentName || '';
         input.select();
     }
-    if (modal) modal.style.display = 'flex';
+    if (modal) openAppModal(modal);
     if (modal && typeof window.applyTranslations === 'function') {
         window.applyTranslations(modal);
     }
@@ -1068,8 +1071,7 @@ function openChatFilesRename(relativePath, currentName) {
 }
 
 function closeChatFilesRenameModal() {
-    const modal = document.getElementById('chat-files-rename-modal');
-    if (modal) modal.style.display = 'none';
+    closeAppModal('chat-files-rename-modal');
     const hint = document.getElementById('chat-files-rename-path-hint');
     if (hint) hint.textContent = '';
     chatFilesRenameRelativePath = '';
@@ -1106,7 +1108,7 @@ function openChatFilesMkdirModal() {
     const p = chatFilesBrowsePath.join('/');
     if (hint) hint.textContent = p ? ('chat_uploads/' + p) : 'chat_uploads';
     if (input) input.value = '';
-    if (modal) modal.style.display = 'flex';
+    if (modal) openAppModal(modal);
     if (modal && typeof window.applyTranslations === 'function') {
         window.applyTranslations(modal);
     }
@@ -1116,8 +1118,7 @@ function openChatFilesMkdirModal() {
 }
 
 function closeChatFilesMkdirModal() {
-    const modal = document.getElementById('chat-files-mkdir-modal');
-    if (modal) modal.style.display = 'none';
+    closeAppModal('chat-files-mkdir-modal');
     const input = document.getElementById('chat-files-mkdir-input');
     if (input) input.value = '';
 }
diff --git a/web/static/js/chat.js b/web/static/js/chat.js
index e88037a3..fe48e3f4 100644
--- a/web/static/js/chat.js
+++ b/web/static/js/chat.js
@@ -2535,10 +2535,17 @@ async function batchUpdateButtonToolNames(buttonsContainer, executionIds) {
 // 显示MCP调用详情
 async function showMCPDetail(executionId) {
     try {
+        openAppModal('mcp-detail-modal', { focus: false });
         const response = await apiFetch(`/api/monitor/execution/${executionId}`);
         const exec = await response.json();
-        
-        if (response.ok) {
+
+        if (!response.ok) {
+            closeMCPDetail();
+            alert((typeof window.t === 'function' ? window.t('mcpDetailModal.getDetailFailed') : '获取详情失败') + ': ' + (exec.error || (typeof window.t === 'function' ? window.t('mcpDetailModal.unknown') : '未知错误')));
+            return;
+        }
+
+        deferModalContent(function () {
             // 填充模态框内容
             document.getElementById('detail-tool-name').textContent = exec.toolName || (typeof window.t === 'function' ? window.t('mcpDetailModal.unknown') : 'Unknown');
             document.getElementById('detail-execution-id').textContent = exec.id || 'N/A';
@@ -2645,20 +2652,16 @@ async function showMCPDetail(executionId) {
                     delete abortBtn.dataset.execId;
                 }
             }
-            
-            // 显示模态框
-            document.getElementById('mcp-detail-modal').style.display = 'block';
-        } else {
-            alert((typeof window.t === 'function' ? window.t('mcpDetailModal.getDetailFailed') : '获取详情失败') + ': ' + (exec.error || (typeof window.t === 'function' ? window.t('mcpDetailModal.unknown') : '未知错误')));
-        }
+        });
     } catch (error) {
+        closeMCPDetail();
         alert((typeof window.t === 'function' ? window.t('mcpDetailModal.getDetailFailed') : '获取详情失败') + ': ' + error.message);
     }
 }
 
 // 关闭MCP详情模态框
 function closeMCPDetail() {
-    document.getElementById('mcp-detail-modal').style.display = 'none';
+    closeAppModal('mcp-detail-modal');
 }
 
 /** 从详情模态框触发：取消当前进行中的 MCP 工具调用 */
@@ -2682,18 +2685,12 @@ function openMcpToolAbortModal(executionId, options = {}) {
     if (ta) {
         ta.value = '';
     }
-    const m = document.getElementById('mcp-tool-abort-modal');
-    if (m) {
-        m.style.display = 'block';
-    }
+    openAppModal('mcp-tool-abort-modal');
 }
 
 function closeMcpToolAbortModal() {
     window.__mcpToolAbortContext = null;
-    const m = document.getElementById('mcp-tool-abort-modal');
-    if (m) {
-        m.style.display = 'none';
-    }
+    closeAppModal('mcp-tool-abort-modal');
 }
 
 async function submitMcpToolAbortModal() {
@@ -3125,7 +3122,7 @@ async function loadConversation(conversationId) {
         
         // 如果攻击链模态框打开且显示的不是当前对话，关闭它
         const attackChainModal = document.getElementById('attack-chain-modal');
-        if (attackChainModal && attackChainModal.style.display === 'block') {
+        if (attackChainModal && isAppModalOpen('attack-chain-modal')) {
             if (currentAttackChainConversationId !== conversationId) {
                 closeAttackChainModal();
             }
@@ -3415,7 +3412,7 @@ async function deleteConversation(conversationId, skipConfirm = false) {
 
         // 批量管理弹窗打开时，同步刷新弹窗内列表
         const batchModal = document.getElementById('batch-manage-modal');
-        if (batchModal && batchModal.style.display === 'flex') {
+        if (batchModal && isAppModalOpen('batch-manage-modal')) {
             allConversationsForBatch = allConversationsForBatch.filter(c => c.id !== conversationId);
             updateBatchManageTitle(allConversationsForBatch.length);
             const searchInput = document.getElementById('batch-search-input');
@@ -3522,7 +3519,7 @@ async function showAttackChain(conversationId) {
     if (isAttackChainLoading(conversationId) && currentAttackChainConversationId === conversationId) {
         // 如果模态框已经打开且显示的是同一个对话，不重复打开
         const modal = document.getElementById('attack-chain-modal');
-        if (modal && modal.style.display === 'block') {
+        if (modal && isAppModalOpen('attack-chain-modal')) {
             console.log('攻击链正在加载中，模态框已打开');
             return;
         }
@@ -3535,8 +3532,7 @@ async function showAttackChain(conversationId) {
         return;
     }
     
-    modal.style.display = 'block';
-    // 打开时立即按当前语言刷新统计（避免红框内仍显示硬编码中文）
+    openAppModal('attack-chain-modal', { focus: false });
     updateAttackChainStats({ nodes: [], edges: [] });
 
     // 清空容器
@@ -4668,10 +4664,7 @@ function closeNodeDetails() {
 
 // 关闭攻击链模态框
 function closeAttackChainModal() {
-    const modal = document.getElementById('attack-chain-modal');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('attack-chain-modal');
     
     // 关闭节点详情
     closeNodeDetails();
@@ -7214,19 +7207,14 @@ async function showBatchManageModal() {
         updateBatchManageTitle(allConversationsForBatch.length);
 
         renderBatchConversations();
-        if (modal) {
-            modal.style.display = 'flex';
-        }
+        openAppModal('batch-manage-modal');
     } catch (error) {
         console.error('加载对话列表失败:', error);
         // 错误时使用空数组，不显示错误提示（更友好的用户体验）
         allConversationsForBatch = [];
-        const modal = document.getElementById('batch-manage-modal');
         updateBatchManageTitle(0);
-        if (modal) {
-            renderBatchConversations();
-            modal.style.display = 'flex';
-        }
+        renderBatchConversations();
+        openAppModal('batch-manage-modal');
     }
 }
 
@@ -7381,10 +7369,7 @@ async function deleteSelectedConversations() {
 
 // 关闭批量管理模态框
 function closeBatchManageModal() {
-    const modal = document.getElementById('batch-manage-modal');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('batch-manage-modal');
     const selectAll = document.getElementById('batch-select-all');
     if (selectAll) {
         selectAll.checked = false;
@@ -7424,8 +7409,7 @@ function refreshChatPanelI18n() {
         });
     }
 
-    const mcpModal = document.getElementById('mcp-detail-modal');
-    if (mcpModal && mcpModal.style.display === 'block') {
+    if (isAppModalOpen('mcp-detail-modal')) {
         const detailTimeEl = document.getElementById('detail-time');
         if (detailTimeEl && detailTimeEl.dataset.detailTimeIso) {
             try {
@@ -7447,7 +7431,7 @@ document.addEventListener('languagechange', function () {
     refreshSystemReadyMessageBubbles();
     refreshChatPanelI18n();
     const modal = document.getElementById('batch-manage-modal');
-    if (modal && modal.style.display === 'flex') {
+    if (isAppModalOpen('batch-manage-modal')) {
         updateBatchManageTitle(allConversationsForBatch.length);
     }
     // 侧边栏最近对话等列表的时间戳会随语言变化（24h/12h 等），重新拉列表以统一格式
@@ -7482,20 +7466,14 @@ function showCreateGroupModal(andMoveConversation = false) {
         iconPicker.style.display = 'none';
     }
     if (modal) {
-        modal.style.display = 'flex';
+        openAppModal('create-group-modal', { focusEl: input });
         modal.dataset.moveConversation = andMoveConversation ? 'true' : 'false';
-        if (input) {
-            setTimeout(() => input.focus(), 100);
-        }
     }
 }
 
 // 关闭创建分组模态框
 function closeCreateGroupModal() {
-    const modal = document.getElementById('create-group-modal');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('create-group-modal');
     const input = document.getElementById('create-group-name-input');
     if (input) {
         input.value = '';
diff --git a/web/static/js/info-collect.js b/web/static/js/info-collect.js
index fe3301ab..4c9824ce 100644
--- a/web/static/js/info-collect.js
+++ b/web/static/js/info-collect.js
@@ -344,7 +344,9 @@ function showFofaParseModal(nlText, parsed) {
     const modal = document.createElement('div');
     modal.id = 'fofa-parse-modal';
     modal.className = 'modal';
-    modal.style.display = 'block';
+    document.body.appendChild(modal);
+    openAppModal(modal, { focus: false });
+    deferModalContent(function () {
     modal.innerHTML = `
         <div class="modal-content" style="max-width: 900px;">
             <div class="modal-header">
@@ -384,24 +386,24 @@ function showFofaParseModal(nlText, parsed) {
         </div>
     `;
 
-    document.body.appendChild(modal);
-
     const queryTextarea = document.getElementById('fofa-parse-query');
     if (queryTextarea) {
         queryTextarea.value = (parsed?.query || '').trim();
-        setTimeout(() => {
-            try { queryTextarea.focus(); } catch (e) { /* ignore */ }
-        }, 0);
+        queryTextarea.focus();
     }
 
-    const close = () => modal.remove();
-    modal.addEventListener('click', (e) => {
+    const close = function () {
+        closeAppModal(modal);
+        modal.remove();
+        syncAppModalBodyLock();
+    };
+    modal.addEventListener('click', function (e) {
         if (e.target === modal) close();
     });
     document.getElementById('fofa-parse-modal-close')?.addEventListener('click', close);
     document.getElementById('fofa-parse-cancel')?.addEventListener('click', close);
 
-    const applyToQuery = (run) => {
+    const applyToQuery = function (run) {
         const els = getFofaFormElements();
         const q = (queryTextarea?.value || '').trim();
         if (!q) {
@@ -435,6 +437,7 @@ function showFofaParseModal(nlText, parsed) {
         }
     };
     document.addEventListener('keydown', onKey);
+    });
 }
 
 function setFofaMeta(text) {
@@ -1091,8 +1094,13 @@ function showCellDetailModal(field, fullText) {
     `;
 
     document.body.appendChild(modal);
+    openAppModal(modal);
 
-    const close = () => modal.remove();
+    const close = function () {
+        closeAppModal(modal);
+        modal.remove();
+        syncAppModalBodyLock();
+    };
     modal.addEventListener('click', (e) => {
         if (e.target === modal) close();
     });
diff --git a/web/static/js/knowledge.js b/web/static/js/knowledge.js
index 8325fc53..37db2add 100644
--- a/web/static/js/knowledge.js
+++ b/web/static/js/knowledge.js
@@ -905,25 +905,32 @@ function showAddKnowledgeItemModal() {
     document.getElementById('knowledge-item-category').value = '';
     document.getElementById('knowledge-item-title').value = '';
     document.getElementById('knowledge-item-content').value = '';
-    document.getElementById('knowledge-item-modal').style.display = 'block';
+    openAppModal('knowledge-item-modal');
 }
 
 // 编辑知识项
 async function editKnowledgeItem(id) {
     try {
+        currentEditingItemId = id;
+        document.getElementById('knowledge-item-modal-title').textContent = '编辑知识';
+        document.getElementById('knowledge-item-category').value = '';
+        document.getElementById('knowledge-item-title').value = '';
+        document.getElementById('knowledge-item-content').value = '';
+        openAppModal('knowledge-item-modal', { focus: false });
         const response = await apiFetch(`/api/knowledge/items/${id}`);
         if (!response.ok) {
             throw new Error('获取知识项失败');
         }
         const item = await response.json();
-        
-        currentEditingItemId = id;
-        document.getElementById('knowledge-item-modal-title').textContent = '编辑知识';
-        document.getElementById('knowledge-item-category').value = item.category;
-        document.getElementById('knowledge-item-title').value = item.title;
-        document.getElementById('knowledge-item-content').value = item.content;
-        document.getElementById('knowledge-item-modal').style.display = 'block';
+        deferModalContent(() => {
+            document.getElementById('knowledge-item-category').value = item.category;
+            document.getElementById('knowledge-item-title').value = item.title;
+            document.getElementById('knowledge-item-content').value = item.content;
+            document.getElementById('knowledge-item-title')?.focus();
+        });
     } catch (error) {
+        closeAppModal('knowledge-item-modal');
+        currentEditingItemId = null;
         console.error('编辑知识项失败:', error);
         showNotification('编辑知识项失败: ' + error.message, 'error');
     }
@@ -1232,10 +1239,7 @@ function updateKnowledgeStatsAfterDelete() {
 
 // 关闭知识项模态框
 function closeKnowledgeItemModal() {
-    const modal = document.getElementById('knowledge-item-modal');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('knowledge-item-modal');
     
     // 重置编辑状态
     currentEditingItemId = null;
@@ -1786,8 +1790,11 @@ function showRetrievalLogDetailsModal(log, retrievedItems) {
         document.body.appendChild(modal);
     }
     
-    // 填充内容
     const content = document.getElementById('retrieval-log-details-content');
+    if (content) content.innerHTML = '<p style="color:#64748b;margin:0;">…</p>';
+    openAppModal(modal, { focus: false });
+
+    deferModalContent(() => {
     const timeAgo = getTimeAgo(log.createdAt);
     const fullTime = formatTime(log.createdAt);
     
@@ -1880,16 +1887,12 @@ function showRetrievalLogDetailsModal(log, retrievedItems) {
             </div>
         </div>
     `;
-    
-    modal.style.display = 'block';
+    });
 }
 
 // 关闭检索日志详情模态框
 function closeRetrievalLogDetailsModal() {
-    const modal = document.getElementById('retrieval-log-details-modal');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('retrieval-log-details-modal');
 }
 
 // 点击模态框外部关闭
@@ -2118,7 +2121,8 @@ function showToastNotification(message, type = 'info') {
         font-size: 0.875rem;
         line-height: 1.45;
         word-wrap: break-word;
-        backdrop-filter: blur(8px);
+        backdrop-filter: none;
+        -webkit-backdrop-filter: none;
     `;
 
     toast.innerHTML = `
diff --git a/web/static/js/modal.js b/web/static/js/modal.js
new file mode 100644
index 00000000..f882100e
--- /dev/null
+++ b/web/static/js/modal.js
@@ -0,0 +1,92 @@
+/**
+ * 统一弹窗：先显示遮罩、下一帧再填大段内容，避免与 backdrop 绘制抢主线程。
+ */
+(function () {
+    const BODY_LOCK = 'app-modal-open';
+    const LEGACY_BODY_LOCK = 'projects-modal-open';
+    const OVERLAY_SELECTOR =
+        '.projects-modal-overlay, .c2-modal-overlay, .modal, .info-collect-cell-modal, #login-overlay';
+
+    const FLEX_MODAL_IDS = new Set([
+        'role-modal',
+        'skill-modal',
+        'agent-md-modal',
+        'batch-manage-modal',
+        'create-group-modal',
+        'login-overlay',
+    ]);
+
+    function resolveEl(idOrEl) {
+        if (!idOrEl) return null;
+        return typeof idOrEl === 'string' ? document.getElementById(idOrEl) : idOrEl;
+    }
+
+    function isElVisible(el) {
+        if (!el) return false;
+        const s = window.getComputedStyle(el);
+        return s.display !== 'none' && s.visibility !== 'hidden';
+    }
+
+    function defaultDisplay(el) {
+        if (el.classList.contains('projects-modal-overlay') || el.classList.contains('c2-modal-overlay')) {
+            return 'flex';
+        }
+        if (el.classList.contains('info-collect-cell-modal')) {
+            return 'flex';
+        }
+        if (FLEX_MODAL_IDS.has(el.id)) {
+            return 'flex';
+        }
+        return 'block';
+    }
+
+    function syncBodyLock() {
+        const anyOpen = Array.from(document.querySelectorAll(OVERLAY_SELECTOR)).some(isElVisible);
+        document.body.classList.toggle(BODY_LOCK, anyOpen);
+        const projectsOpen = Array.from(document.querySelectorAll('.projects-modal-overlay')).some(isElVisible);
+        document.body.classList.toggle(LEGACY_BODY_LOCK, projectsOpen);
+    }
+
+    function openAppModal(idOrEl, opts) {
+        opts = opts || {};
+        const el = resolveEl(idOrEl);
+        if (!el) return null;
+        el.style.display = opts.display || defaultDisplay(el);
+        syncBodyLock();
+        if (opts.focus === false) return el;
+        const sel =
+            opts.focusSelector ||
+            'input.form-input, textarea.form-input, select.form-input, input:not([type="hidden"]):not([disabled]), textarea:not([disabled]), select:not([disabled])';
+        const focusTarget = opts.focusEl || el.querySelector(sel);
+        if (focusTarget) {
+            requestAnimationFrame(function () {
+                focusTarget.focus();
+            });
+        }
+        return el;
+    }
+
+    function closeAppModal(idOrEl) {
+        const el = resolveEl(idOrEl);
+        if (el) el.style.display = 'none';
+        syncBodyLock();
+        return el;
+    }
+
+    function isAppModalOpen(idOrEl) {
+        return isElVisible(resolveEl(idOrEl));
+    }
+
+    /** 双 rAF：等遮罩绘制完成后再写入大段 DOM / 表单 */
+    function deferModalContent(fn) {
+        requestAnimationFrame(function () {
+            requestAnimationFrame(fn);
+        });
+    }
+
+    window.openAppModal = openAppModal;
+    window.closeAppModal = closeAppModal;
+    window.isAppModalOpen = isAppModalOpen;
+    window.deferModalContent = deferModalContent;
+    window.syncAppModalBodyLock = syncBodyLock;
+})();
diff --git a/web/static/js/monitor.js b/web/static/js/monitor.js
index 3e939197..e10a1c5c 100644
--- a/web/static/js/monitor.js
+++ b/web/static/js/monitor.js
@@ -944,18 +944,12 @@ function openUserInterruptModal(progressId, conversationId) {
     if (ta) {
         ta.value = '';
     }
-    const m = document.getElementById('user-interrupt-modal');
-    if (m) {
-        m.style.display = 'block';
-    }
+    openAppModal('user-interrupt-modal');
 }
 
 function closeUserInterruptModal() {
     userInterruptModalPending = null;
-    const m = document.getElementById('user-interrupt-modal');
-    if (m) {
-        m.style.display = 'none';
-    }
+    closeAppModal('user-interrupt-modal');
 }
 
 async function submitUserInterruptContinue() {
diff --git a/web/static/js/projects.js b/web/static/js/projects.js
index 57985dc6..8c1c174a 100644
--- a/web/static/js/projects.js
+++ b/web/static/js/projects.js
@@ -12,6 +12,7 @@ let _projectsFetchPromise = null;
 
 const PROJECT_ACTIVE_KEY = 'cyberstrike.activeProjectId';
 const PROJECT_DESCRIPTION_MAX_LENGTH = 4000;
+const PROJECT_NAME_MAX_LENGTH = 200;
 
 function tp(key, opts) {
     if (typeof window.t === 'function') return window.t(key, opts);
@@ -878,38 +879,52 @@ let _factDetailFact = null;
 let _projectFactsFilterDebounce = null;
 
 async function viewProjectFactBody(factKey) {
-    const res = await apiFetch(`/api/projects/${currentProjectId}/facts?fact_key=${encodeURIComponent(factKey)}`);
-    if (!res.ok) return alert(tp('common.loadFailed'));
-    const f = await res.json();
-    _factDetailKey = f.fact_key;
-    _factDetailFact = f;
-    document.getElementById('fact-detail-title').textContent = `[${f.fact_key}]`;
-    const metaParts = [
-        tpFmt('projects.factMetaCategory', `Category: ${f.category}`, { value: f.category }),
-        tpFmt('projects.factMetaConfidence', `Confidence: ${f.confidence}`, { value: f.confidence }),
-        tpFmt('projects.factMetaUpdated', `Updated: ${formatProjectTime(f.updated_at, f.created_at)}`, {
-            time: formatProjectTime(f.updated_at, f.created_at),
-        }),
-    ];
-    if (f.related_vulnerability_id) metaParts.push(tpFmt('projects.factMetaRelatedVuln', `Related vulnerability: ${f.related_vulnerability_id}`, { value: f.related_vulnerability_id }));
-    if (f.source_conversation_id) metaParts.push(tpFmt('projects.factMetaSourceConversation', `Source conversation: ${f.source_conversation_id}`, { value: f.source_conversation_id }));
-    document.getElementById('fact-detail-meta').textContent = metaParts.join(' · ');
-    document.getElementById('fact-detail-body').textContent = f.body || tp('projects.emptyBody');
+    document.getElementById('fact-detail-title').textContent = factKey;
+    document.getElementById('fact-detail-meta').textContent = '…';
+    document.getElementById('fact-detail-body').textContent = '';
     const warnEl = document.getElementById('fact-detail-sparse-warn');
     if (warnEl) {
-        if (isSparseFactBody(f.category, f.fact_key, f.body)) {
-            warnEl.hidden = false;
-            warnEl.textContent = tp('projects.factSparseWarn');
-        } else {
-            warnEl.hidden = true;
-            warnEl.textContent = '';
-        }
+        warnEl.hidden = true;
+        warnEl.textContent = '';
     }
     const linkBtn = document.getElementById('fact-detail-link-vuln-btn');
     const createBtn = document.getElementById('fact-detail-create-vuln-btn');
-    if (linkBtn) linkBtn.hidden = false;
-    if (createBtn) createBtn.hidden = false;
-    openProjectsOverlay('fact-detail-modal');
+    if (linkBtn) linkBtn.hidden = true;
+    if (createBtn) createBtn.hidden = true;
+    openProjectsOverlay('fact-detail-modal', { focus: false });
+    const res = await apiFetch(`/api/projects/${currentProjectId}/facts?fact_key=${encodeURIComponent(factKey)}`);
+    if (!res.ok) {
+        closeFactDetailModal();
+        return alert(tp('common.loadFailed'));
+    }
+    const f = await res.json();
+    _factDetailKey = f.fact_key;
+    _factDetailFact = f;
+    deferModalContent(() => {
+        document.getElementById('fact-detail-title').textContent = `[${f.fact_key}]`;
+        const metaParts = [
+            tpFmt('projects.factMetaCategory', `Category: ${f.category}`, { value: f.category }),
+            tpFmt('projects.factMetaConfidence', `Confidence: ${f.confidence}`, { value: f.confidence }),
+            tpFmt('projects.factMetaUpdated', `Updated: ${formatProjectTime(f.updated_at, f.created_at)}`, {
+                time: formatProjectTime(f.updated_at, f.created_at),
+            }),
+        ];
+        if (f.related_vulnerability_id) metaParts.push(tpFmt('projects.factMetaRelatedVuln', `Related vulnerability: ${f.related_vulnerability_id}`, { value: f.related_vulnerability_id }));
+        if (f.source_conversation_id) metaParts.push(tpFmt('projects.factMetaSourceConversation', `Source conversation: ${f.source_conversation_id}`, { value: f.source_conversation_id }));
+        document.getElementById('fact-detail-meta').textContent = metaParts.join(' · ');
+        document.getElementById('fact-detail-body').textContent = f.body || tp('projects.emptyBody');
+        if (warnEl) {
+            if (isSparseFactBody(f.category, f.fact_key, f.body)) {
+                warnEl.hidden = false;
+                warnEl.textContent = tp('projects.factSparseWarn');
+            } else {
+                warnEl.hidden = true;
+                warnEl.textContent = '';
+            }
+        }
+        if (linkBtn) linkBtn.hidden = false;
+        if (createBtn) createBtn.hidden = false;
+    });
 }
 
 function editFactFromDetail() {
@@ -1164,41 +1179,16 @@ async function viewFactsForVulnerability(vulnId) {
     else loadProjectFacts();
 }
 
-function openProjectsOverlay(id) {
-    const el = document.getElementById(id);
-    if (!el) return;
-    el.style.display = 'flex';
-    syncProjectsModalBodyLock();
-    const focusTarget = el.querySelector('input.form-input, textarea.form-input, select.form-input');
-    if (focusTarget) {
-        setTimeout(() => focusTarget.focus(), 80);
-    }
+function openProjectsOverlay(id, opts) {
+    openAppModal(id, opts);
 }
 
 function isProjectsOverlayVisible(id) {
-    const el = document.getElementById(id);
-    if (!el) return false;
-    const style = window.getComputedStyle(el);
-    return style.display !== 'none' && style.visibility !== 'hidden';
-}
-
-function hasVisibleProjectsOverlay() {
-    const overlays = document.querySelectorAll('.projects-modal-overlay');
-    return Array.from(overlays).some((el) => {
-        const style = window.getComputedStyle(el);
-        return style.display !== 'none' && style.visibility !== 'hidden';
-    });
-}
-
-function syncProjectsModalBodyLock() {
-    if (hasVisibleProjectsOverlay()) document.body.classList.add('projects-modal-open');
-    else document.body.classList.remove('projects-modal-open');
+    return isAppModalOpen(id);
 }
 
 function closeProjectsOverlay(id) {
-    const el = document.getElementById(id);
-    if (el) el.style.display = 'none';
-    syncProjectsModalBodyLock();
+    closeAppModal(id);
 }
 
 function showNewProjectModal() {
@@ -1222,6 +1212,11 @@ async function showEditProjectModal(projectId) {
     if (sub) sub.textContent = tp('projects.modalEditSubtitle');
     const submitBtn = document.getElementById('project-modal-submit-btn');
     if (submitBtn) submitBtn.textContent = tp('projects.saveChanges');
+    const nameEl = document.getElementById('project-modal-name');
+    const descEl = document.getElementById('project-modal-description');
+    if (nameEl) nameEl.value = '';
+    if (descEl) descEl.value = '';
+    openProjectsOverlay('project-modal', { focus: false });
     let p = findProjectById(projectId);
     if (!p) {
         try {
@@ -1229,15 +1224,19 @@ async function showEditProjectModal(projectId) {
             if (!res.ok) throw new Error(tp('projects.projectNotFound'));
             p = await res.json();
         } catch (e) {
+            closeProjectModal();
             alert(e.message || tp('projects.projectNotFound'));
             window._projectModalEditId = null;
             return;
         }
     }
-    document.getElementById('project-modal-name').value = p.name || '';
-    document.getElementById('project-modal-description').value = p.description || '';
-    openProjectsOverlay('project-modal');
-    setTimeout(() => document.getElementById('project-modal-name')?.focus(), 0);
+    const name = (p.name || '').slice(0, PROJECT_NAME_MAX_LENGTH);
+    const description = clampProjectDescription(p.description || '');
+    deferModalContent(() => {
+        if (nameEl) nameEl.value = name;
+        if (descEl) descEl.value = description;
+        nameEl?.focus();
+    });
 }
 
 /** 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 */
@@ -1248,7 +1247,7 @@ function showNewProjectModalFromChat() {
 }
 
 async function saveProjectModal() {
-    const name = document.getElementById('project-modal-name').value.trim();
+    const name = document.getElementById('project-modal-name').value.trim().slice(0, PROJECT_NAME_MAX_LENGTH);
     if (!name) return alert(tp('projects.enterProjectName'));
     const body = {
         name,
@@ -1541,14 +1540,20 @@ function showAddFactModal() {
 
 async function showEditFactModal(factKey) {
     if (!currentProjectId) return alert(tp('projects.selectProjectFirst'));
+    resetFactModalForm();
+    openProjectsOverlay('fact-modal', { focus: false });
     const res = await apiFetch(
         `/api/projects/${currentProjectId}/facts?fact_key=${encodeURIComponent(factKey)}`,
     );
-    if (!res.ok) return alert(tp('projects.loadFactFailed'));
+    if (!res.ok) {
+        closeFactModal();
+        return alert(tp('projects.loadFactFailed'));
+    }
     const f = await res.json();
-    resetFactModalForm();
-    fillFactModalForm(f);
-    openProjectsOverlay('fact-modal');
+    deferModalContent(() => {
+        fillFactModalForm(f);
+        document.getElementById('fact-modal-key')?.focus();
+    });
 }
 
 function closeFactModal() {
diff --git a/web/static/js/roles.js b/web/static/js/roles.js
index 7b8506b1..f606a3cb 100644
--- a/web/static/js/roles.js
+++ b/web/static/js/roles.js
@@ -1112,7 +1112,7 @@ async function showAddRoleModal() {
     // 确保统计信息正确更新（显示0/108）
     updateRoleToolsStats();
 
-    modal.style.display = 'flex';
+    openAppModal('role-modal');
 }
 
 // 编辑角色
@@ -1274,15 +1274,16 @@ async function editRole(roleName) {
         }
     }
 
-    modal.style.display = 'flex';
+    openAppModal('role-modal');
 }
 
 // 关闭角色模态框
 function closeRoleModal() {
-    const modal = document.getElementById('role-modal');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('role-modal');
+}
+
+function closeRoleSelectModal() {
+    closeAppModal('role-select-modal');
 }
 
 // 获取所有选中的工具（包括未在MCP管理中启用的工具）
@@ -1634,6 +1635,7 @@ if (typeof window !== 'undefined') {
     window.getCurrentRole = getCurrentRole;
     window.toggleRoleSelectionPanel = toggleRoleSelectionPanel;
     window.closeRoleSelectionPanel = closeRoleSelectionPanel;
+    window.closeRoleSelectModal = closeRoleSelectModal;
     window.filterRoleToolsByStatus = filterRoleToolsByStatus;
     window.currentSelectedRole = getCurrentRole();
     
diff --git a/web/static/js/settings.js b/web/static/js/settings.js
index 22b23cdb..74a52ebd 100644
--- a/web/static/js/settings.js
+++ b/web/static/js/settings.js
@@ -2096,47 +2096,42 @@ function showAddExternalMCPModal() {
     document.getElementById('external-mcp-json-error').style.display = 'none';
     document.getElementById('external-mcp-json-error').textContent = '';
     document.getElementById('external-mcp-json').classList.remove('error');
-    document.getElementById('external-mcp-modal').style.display = 'block';
+    openAppModal('external-mcp-modal');
 }
 
 // 关闭外部MCP模态框
 function closeExternalMCPModal() {
-    document.getElementById('external-mcp-modal').style.display = 'none';
+    closeAppModal('external-mcp-modal');
     currentEditingMCPName = null;
 }
 
 // 编辑外部MCP
 async function editExternalMCP(name) {
     try {
+        currentEditingMCPName = name;
+        document.getElementById('external-mcp-modal-title').textContent = (typeof window.t === 'function' ? window.t('mcp.editExternalMCP') : '编辑外部MCP');
+        document.getElementById('external-mcp-json').value = '';
+        document.getElementById('external-mcp-json-error').style.display = 'none';
+        document.getElementById('external-mcp-json-error').textContent = '';
+        document.getElementById('external-mcp-json').classList.remove('error');
+        openAppModal('external-mcp-modal', { focus: false });
         const response = await apiFetch(`/api/external-mcp/${encodeURIComponent(name)}`);
         if (!response.ok) {
             throw new Error(typeof window.t === 'function' ? window.t('mcp.getConfigFailed') : '获取外部MCP配置失败');
         }
-        
         const server = await response.json();
-        currentEditingMCPName = name;
-        
-        document.getElementById('external-mcp-modal-title').textContent = (typeof window.t === 'function' ? window.t('mcp.editExternalMCP') : '编辑外部MCP');
-        
-        // 将配置转换为对象格式（key为名称）
         const config = { ...server.config };
-        // 移除tool_count、external_mcp_enable等前端字段，但保留enabled/disabled用于向后兼容
         delete config.tool_count;
         delete config.external_mcp_enable;
-        
-        // 包装成对象格式：{ "name": { config } }
         const configObj = {};
         configObj[name] = config;
-        
-        // 格式化JSON
         const jsonStr = JSON.stringify(configObj, null, 2);
-        document.getElementById('external-mcp-json').value = jsonStr;
-        document.getElementById('external-mcp-json-error').style.display = 'none';
-        document.getElementById('external-mcp-json-error').textContent = '';
-        document.getElementById('external-mcp-json').classList.remove('error');
-        
-        document.getElementById('external-mcp-modal').style.display = 'block';
+        deferModalContent(() => {
+            document.getElementById('external-mcp-json').value = jsonStr;
+            document.getElementById('external-mcp-json')?.focus();
+        });
     } catch (error) {
+        closeExternalMCPModal();
         console.error('编辑外部MCP失败:', error);
         alert((typeof window.t === 'function' ? window.t('mcp.operationFailed') : '编辑失败') + ': ' + error.message);
     }
diff --git a/web/static/js/skills.js b/web/static/js/skills.js
index 3fd95a83..580b1014 100644
--- a/web/static/js/skills.js
+++ b/web/static/js/skills.js
@@ -40,7 +40,7 @@ function shouldSkipSkillsAutoRefresh() {
     }
 
     const modal = document.getElementById('skill-modal');
-    if (modal && modal.style.display === 'flex') {
+    if (modal && isAppModalOpen('skill-modal')) {
         return true;
     }
 
@@ -465,7 +465,7 @@ function showAddSkillModal() {
     const addTa = document.getElementById('skill-content-add');
     if (addTa) addTa.value = '';
 
-    modal.style.display = 'flex';
+    openAppModal('skill-modal');
 }
 
 function skillPackagePathDepth(path) {
@@ -555,6 +555,22 @@ async function selectSkillPackageFile(skillId, path, opts) {
 // 编辑skill
 async function editSkill(skillId) {
     wireSkillModalOnce();
+    const modal = document.getElementById('skill-modal');
+    if (!modal) return;
+    skillModalAddMode = false;
+    skillFileDirty = false;
+    skillActivePath = 'SKILL.md';
+    const pkg = document.getElementById('skill-package-editor');
+    const addEd = document.getElementById('skill-add-editor');
+    if (pkg) pkg.style.display = 'block';
+    if (addEd) addEd.style.display = 'none';
+    document.getElementById('skill-modal-title').textContent = _t('skills.editSkill');
+    document.getElementById('skill-name').value = '';
+    document.getElementById('skill-name').disabled = true;
+    document.getElementById('skill-description').value = '';
+    const ta = document.getElementById('skill-content');
+    if (ta) ta.value = '';
+    openAppModal('skill-modal', { focus: false });
     try {
         const [detailRes, filesRes] = await Promise.all([
             apiFetch(`/api/skills/${encodeURIComponent(skillId)}?depth=full`),
@@ -565,39 +581,24 @@ async function editSkill(skillId) {
         }
         const data = await detailRes.json();
         const skill = data.skill;
-
-        const modal = document.getElementById('skill-modal');
-        if (!modal) return;
-
-        skillModalAddMode = false;
-        skillFileDirty = false;
-        skillActivePath = 'SKILL.md';
-        const pkg = document.getElementById('skill-package-editor');
-        const addEd = document.getElementById('skill-add-editor');
-        if (pkg) pkg.style.display = 'block';
-        if (addEd) addEd.style.display = 'none';
-
-        document.getElementById('skill-modal-title').textContent = _t('skills.editSkill');
-        document.getElementById('skill-name').value = skill.id || skillId;
-        document.getElementById('skill-name').disabled = true;
-        document.getElementById('skill-description').value = skill.description || '';
-
+        let files = [];
         if (filesRes.ok) {
             const fd = await filesRes.json();
-            skillPackageFiles = fd.files || [];
-        } else {
-            skillPackageFiles = [];
+            files = fd.files || [];
         }
-        renderSkillPackageTree();
-
-        const ta = document.getElementById('skill-content');
-        if (ta) ta.value = skill.content || '';
-        const hint = document.getElementById('skill-body-hint-edit');
-        if (hint) hint.style.display = 'block';
-
         currentEditingSkillName = skillId;
-        modal.style.display = 'flex';
+        deferModalContent(() => {
+            document.getElementById('skill-name').value = skill.id || skillId;
+            document.getElementById('skill-description').value = skill.description || '';
+            skillPackageFiles = files;
+            renderSkillPackageTree();
+            if (ta) ta.value = skill.content || '';
+            const hint = document.getElementById('skill-body-hint-edit');
+            if (hint) hint.style.display = 'block';
+            document.getElementById('skill-name')?.focus();
+        });
     } catch (error) {
+        closeSkillModal();
         console.error('加载skill详情失败:', error);
         showNotification(_t('skills.loadDetailFailed') + ': ' + error.message, 'error');
     }
@@ -659,7 +660,7 @@ async function viewSkill(skillId) {
             </div>
         `;
         document.body.appendChild(modal);
-        modal.style.display = 'flex';
+        openAppModal(modal);
 
         const close = () => closeSkillViewModal();
         modal.querySelectorAll('[data-skill-view-close]').forEach(el => el.addEventListener('click', close));
@@ -691,23 +692,22 @@ async function viewSkill(skillId) {
 
 // 关闭查看模态框
 function closeSkillViewModal() {
+    closeAppModal('skill-view-modal');
     const modal = document.getElementById('skill-view-modal');
     if (modal) {
         modal.remove();
+        syncAppModalBodyLock();
     }
 }
 
 // 关闭skill模态框
 function closeSkillModal() {
-    const modal = document.getElementById('skill-modal');
-    if (modal) {
-        modal.style.display = 'none';
-        currentEditingSkillName = null;
-        skillModalAddMode = true;
-        skillFileDirty = false;
-        skillPackageFiles = [];
-        skillActivePath = 'SKILL.md';
-    }
+    closeAppModal('skill-modal');
+    currentEditingSkillName = null;
+    skillModalAddMode = true;
+    skillFileDirty = false;
+    skillPackageFiles = [];
+    skillActivePath = 'SKILL.md';
 }
 
 // 保存skill
diff --git a/web/static/js/tasks.js b/web/static/js/tasks.js
index 22a38f26..eb8b97a3 100644
--- a/web/static/js/tasks.js
+++ b/web/static/js/tasks.js
@@ -914,18 +914,14 @@ async function showBatchImportModal() {
             }
         }
         await refreshBatchProjectSelectOptions();
-        
-        modal.style.display = 'block';
-        input.focus();
+
+        openAppModal('batch-import-modal', { focusEl: input });
     }
 }
 
 // 关闭新建任务模态框
 function closeBatchImportModal() {
-    const modal = document.getElementById('batch-import-modal');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('batch-import-modal');
 }
 
 function handleBatchScheduleModeChange() {
@@ -1350,7 +1346,13 @@ async function showBatchQueueDetail(queueId) {
         const addTaskBtn = document.getElementById('batch-queue-add-task-btn');
         
         if (!modal || !content) return;
-        
+
+        const alreadyOpen = isAppModalOpen('batch-queue-detail-modal');
+        if (!alreadyOpen) {
+            if (content) content.innerHTML = '<p style="color:#64748b;margin:0;">…</p>';
+            openAppModal('batch-queue-detail-modal', { focus: false });
+        }
+
         try {
         // 加载角色列表（如果还未加载）
         let loadedRoles = [];
@@ -1459,6 +1461,7 @@ async function showBatchQueueDetail(queueId) {
         const sameQueueAsBefore = prevDetailFor === queue.id;
         const savedTechDetailsOpen = sameQueueAsBefore && !!(prevTechDetails && prevTechDetails.open);
 
+        deferModalContent(function () {
         content.innerHTML = `
             <div class="batch-queue-detail-layout" data-bq-detail-for="${escapeHtml(queue.id)}">
             <section class="batch-queue-detail-hero">
@@ -1529,8 +1532,7 @@ async function showBatchQueueDetail(queueId) {
         if (newTechDetails && savedTechDetailsOpen) {
             newTechDetails.open = true;
         }
-
-        modal.style.display = 'block';
+        });
 
         // 仅运行中定时拉取详情；其它状态应停止，避免 innerHTML 重绘把 <details> 等 UI 打回默认态
         if (queue.status === 'running') {
@@ -1540,6 +1542,7 @@ async function showBatchQueueDetail(queueId) {
         }
     } catch (error) {
         console.error('获取队列详情失败:', error);
+        closeBatchQueueDetailModal();
         alert(_t('tasks.getQueueDetailFailed') + ': ' + error.message);
     }
 }
@@ -1708,10 +1711,7 @@ async function deleteBatchQueueFromList(queueId) {
 
 // 关闭批量任务队列详情模态框
 function closeBatchQueueDetailModal() {
-    const modal = document.getElementById('batch-queue-detail-modal');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('batch-queue-detail-modal');
     batchQueuesState.currentQueueId = null;
     stopBatchQueueRefresh();
 }
@@ -1730,7 +1730,7 @@ function startBatchQueueRefresh(queueId) {
             content.querySelector('.bq-inline-edit-controls') ||
             content.querySelector('.batch-task-inline-edit')
         );
-        if ((addModal && addModal.style.display === 'block') || hasInlineEdit) {
+        if ((addModal && isAppModalOpen('add-batch-task-modal')) || hasInlineEdit) {
             return;
         }
         if (batchQueuesState._bqDetailRefreshing) {
@@ -1891,12 +1891,7 @@ function showAddBatchTaskModal() {
     }
     
     messageInput.value = '';
-    modal.style.display = 'block';
-    
-    // 聚焦到输入框
-    setTimeout(() => {
-        messageInput.focus();
-    }, 100);
+    openAppModal('add-batch-task-modal', { focusEl: messageInput });
     
     // 清理旧的事件监听器
     if (showAddBatchTaskModal._escHandler) {
@@ -1940,9 +1935,7 @@ function closeAddBatchTaskModal() {
     }
     const modal = document.getElementById('add-batch-task-modal');
     const messageInput = document.getElementById('add-task-message');
-    if (modal) {
-        modal.style.display = 'none';
-    }
+    closeAppModal('add-batch-task-modal');
     if (messageInput) {
         messageInput.value = '';
     }
@@ -2462,7 +2455,7 @@ document.addEventListener('languagechange', function () {
         const detailModal = document.getElementById('batch-queue-detail-modal');
         if (
             detailModal &&
-            detailModal.style.display === 'block' &&
+            isAppModalOpen('batch-queue-detail-modal') &&
             batchQueuesState.currentQueueId
         ) {
             showBatchQueueDetail(batchQueuesState.currentQueueId);
diff --git a/web/static/js/vulnerability.js b/web/static/js/vulnerability.js
index 0543711d..06b37ba7 100644
--- a/web/static/js/vulnerability.js
+++ b/web/static/js/vulnerability.js
@@ -1090,37 +1090,36 @@ async function showAddVulnerabilityModal() {
     document.getElementById('vulnerability-impact').value = '';
     document.getElementById('vulnerability-recommendation').value = '';
 
-    document.getElementById('vulnerability-modal').style.display = 'block';
+    openAppModal('vulnerability-modal');
 }
 
 // 编辑漏洞
 async function editVulnerability(id) {
     try {
-        const response = await apiFetch(`/api/vulnerabilities/${id}`);
-        if (!response.ok) throw new Error(vulnT('vulnerabilityPage.fetchFailed'));
-
-        const vuln = await response.json();
         currentVulnerabilityId = id;
         document.getElementById('vulnerability-modal-title').textContent = vulnT('vulnerability.editVuln');
-
-        // 填充表单
-        document.getElementById('vulnerability-conversation-id').value = vuln.conversation_id || '';
-        document.getElementById('vulnerability-conversation-tag').value = vuln.conversation_tag || '';
-        document.getElementById('vulnerability-task-tag').value = vuln.task_tag || '';
-        document.getElementById('vulnerability-title').value = vuln.title || '';
-        document.getElementById('vulnerability-description').value = vuln.description || '';
-        document.getElementById('vulnerability-severity').value = vuln.severity || '';
-        document.getElementById('vulnerability-status').value = vuln.status || 'open';
-        document.getElementById('vulnerability-type').value = vuln.type || '';
-        document.getElementById('vulnerability-target').value = vuln.target || '';
-        document.getElementById('vulnerability-proof').value = vuln.proof || '';
-        document.getElementById('vulnerability-impact').value = vuln.impact || '';
-        document.getElementById('vulnerability-recommendation').value = vuln.recommendation || '';
-
-        await populateVulnerabilityModalProjectSelect(vuln.project_id || '');
-
-        document.getElementById('vulnerability-modal').style.display = 'block';
+        openAppModal('vulnerability-modal', { focus: false });
+        const response = await apiFetch(`/api/vulnerabilities/${id}`);
+        if (!response.ok) throw new Error(vulnT('vulnerabilityPage.fetchFailed'));
+        const vuln = await response.json();
+        deferModalContent(async () => {
+            document.getElementById('vulnerability-conversation-id').value = vuln.conversation_id || '';
+            document.getElementById('vulnerability-conversation-tag').value = vuln.conversation_tag || '';
+            document.getElementById('vulnerability-task-tag').value = vuln.task_tag || '';
+            document.getElementById('vulnerability-title').value = vuln.title || '';
+            document.getElementById('vulnerability-description').value = vuln.description || '';
+            document.getElementById('vulnerability-severity').value = vuln.severity || '';
+            document.getElementById('vulnerability-status').value = vuln.status || 'open';
+            document.getElementById('vulnerability-type').value = vuln.type || '';
+            document.getElementById('vulnerability-target').value = vuln.target || '';
+            document.getElementById('vulnerability-proof').value = vuln.proof || '';
+            document.getElementById('vulnerability-impact').value = vuln.impact || '';
+            document.getElementById('vulnerability-recommendation').value = vuln.recommendation || '';
+            await populateVulnerabilityModalProjectSelect(vuln.project_id || '');
+            document.getElementById('vulnerability-title')?.focus();
+        });
     } catch (error) {
+        closeVulnerabilityModal();
         console.error('加载漏洞失败:', error);
         alert(vulnT('vulnerability.loadFailed') + ': ' + error.message);
     }
@@ -1233,7 +1232,7 @@ async function deleteVulnerability(id) {
 
 // 关闭漏洞模态框
 function closeVulnerabilityModal() {
-    document.getElementById('vulnerability-modal').style.display = 'none';
+    closeAppModal('vulnerability-modal');
     currentVulnerabilityId = null;
 }
 
@@ -1749,7 +1748,7 @@ async function refreshVulnerabilityProjectFilter() {
         sel.innerHTML = html;
         if (cur) sel.value = cur;
         const modalSel = document.getElementById('vulnerability-project-id');
-        if (modalSel && document.getElementById('vulnerability-modal')?.style.display === 'block') {
+        if (modalSel && isAppModalOpen('vulnerability-modal')) {
             const modalCur = modalSel.value || '';
             modalSel.innerHTML = buildVulnerabilityProjectOptionsHtml(modalCur);
             modalSel.value = modalCur;
diff --git a/web/static/js/webshell.js b/web/static/js/webshell.js
index 151da66b..c06f82a0 100644
--- a/web/static/js/webshell.js
+++ b/web/static/js/webshell.js
@@ -2301,10 +2301,14 @@ function selectWebshell(id, stateReady) {
 
     function setDbProfileModalVisible(visible, mode) {
         if (!dbProfileModalEl) return;
-        dbProfileModalEl.style.display = visible ? 'block' : 'none';
-        if (dbProfileModalTitleEl) {
-            if (mode === 'add') dbProfileModalTitleEl.textContent = wsT('webshell.dbAddProfile') || '新增连接';
-            else dbProfileModalTitleEl.textContent = wsT('webshell.editConnectionTitle') || '编辑连接';
+        if (visible) {
+            if (dbProfileModalTitleEl) {
+                if (mode === 'add') dbProfileModalTitleEl.textContent = wsT('webshell.dbAddProfile') || '新增连接';
+                else dbProfileModalTitleEl.textContent = wsT('webshell.editConnectionTitle') || '编辑连接';
+            }
+            openAppModal(dbProfileModalEl);
+        } else {
+            closeAppModal(dbProfileModalEl);
         }
     }
 
@@ -4369,37 +4373,38 @@ function showAddWebshellModal() {
     var titleEl = document.getElementById('webshell-modal-title');
     if (titleEl) titleEl.textContent = wsT('webshell.addConnection');
     var modal = document.getElementById('webshell-modal');
-    if (modal) modal.style.display = 'block';
+    if (modal) openAppModal(modal);
 }
 
 // 打开编辑连接弹窗（预填当前连接信息）
 function showEditWebshellModal(connId) {
     var conn = webshellConnections.find(function (c) { return c.id === connId; });
     if (!conn) return;
-    var editIdEl = document.getElementById('webshell-edit-id');
-    if (editIdEl) editIdEl.value = conn.id;
-    document.getElementById('webshell-url').value = conn.url || '';
-    document.getElementById('webshell-password').value = conn.password || '';
-    document.getElementById('webshell-type').value = conn.type || 'php';
-    document.getElementById('webshell-method').value = (conn.method || 'post').toLowerCase();
-    document.getElementById('webshell-cmd-param').value = conn.cmdParam || '';
-    var osEditEl = document.getElementById('webshell-os');
-    if (osEditEl) osEditEl.value = normalizeWebshellOS(conn.os);
-    var encEditEl = document.getElementById('webshell-encoding');
-    if (encEditEl) encEditEl.value = normalizeWebshellEncoding(conn.encoding);
-    document.getElementById('webshell-remark').value = conn.remark || '';
     var titleEl = document.getElementById('webshell-modal-title');
     if (titleEl) titleEl.textContent = wsT('webshell.editConnectionTitle');
-    var modal = document.getElementById('webshell-modal');
-    if (modal) modal.style.display = 'block';
+    openAppModal('webshell-modal', { focus: false });
+    deferModalContent(function () {
+        var editIdEl = document.getElementById('webshell-edit-id');
+        if (editIdEl) editIdEl.value = conn.id;
+        document.getElementById('webshell-url').value = conn.url || '';
+        document.getElementById('webshell-password').value = conn.password || '';
+        document.getElementById('webshell-type').value = conn.type || 'php';
+        document.getElementById('webshell-method').value = (conn.method || 'post').toLowerCase();
+        document.getElementById('webshell-cmd-param').value = conn.cmdParam || '';
+        var osEditEl = document.getElementById('webshell-os');
+        if (osEditEl) osEditEl.value = normalizeWebshellOS(conn.os);
+        var encEditEl = document.getElementById('webshell-encoding');
+        if (encEditEl) encEditEl.value = normalizeWebshellEncoding(conn.encoding);
+        document.getElementById('webshell-remark').value = conn.remark || '';
+        document.getElementById('webshell-url')?.focus();
+    });
 }
 
 // 关闭弹窗
 function closeWebshellModal() {
     var editIdEl = document.getElementById('webshell-edit-id');
     if (editIdEl) editIdEl.value = '';
-    var modal = document.getElementById('webshell-modal');
-    if (modal) modal.style.display = 'none';
+    closeAppModal('webshell-modal');
 }
 
 // 语言切换时刷新 WebShell 页面内所有由 JS 生成的文案（不重建终端）
@@ -4571,7 +4576,7 @@ function refreshWebshellUIOnLanguageChange() {
     }
 
     var modal = document.getElementById('webshell-modal');
-    if (modal && modal.style.display === 'block') {
+    if (modal && isAppModalOpen('webshell-modal')) {
         var titleEl = document.getElementById('webshell-modal-title');
         var editIdEl = document.getElementById('webshell-edit-id');
         if (titleEl) {
diff --git a/web/templates/index.html b/web/templates/index.html
index 8fb59359..bb9f6f71 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -4172,7 +4172,7 @@
             <div class="projects-modal-body">
                 <div class="projects-form-field">
                     <label for="project-modal-name" data-i18n="projects.projectName">项目名称 <span class="required">*</span></label>
-                    <input type="text" id="project-modal-name" class="form-input" placeholder="例如：某客户 Web 渗透" autocomplete="off" data-i18n="projects.projectNamePlaceholder" data-i18n-attr="placeholder">
+                    <input type="text" id="project-modal-name" class="form-input" maxlength="200" placeholder="例如：某客户 Web 渗透" autocomplete="off" data-i18n="projects.projectNamePlaceholder" data-i18n-attr="placeholder">
                 </div>
                 <div class="projects-form-field">
                     <label for="project-modal-description" data-i18n="projects.projectDescription">项目描述</label>
@@ -4290,6 +4290,7 @@
     <script src="/static/js/i18n.js"></script>
     <script src="/static/js/builtin-tools.js"></script>
     <script src="/static/js/auth.js"></script>
+    <script src="/static/js/modal.js"></script>
     <script src="/static/js/notifications.js"></script>
     <script src="/static/js/info-collect.js"></script>
     <script src="/static/js/router.js"></script>