diff --git a/static/app.js b/static/app.js
index 8894db9..c85919f 100644
--- a/static/app.js
+++ b/static/app.js
@@ -170,6 +170,23 @@ window.createSales = (event) => createResource(event, "sales");
 window.createProposal = (event) => createResource(event, "proposals");
 window.createOperation = (event) => createResource(event, "operations");
 window.createProduct = (event) => createResource(event, "products");
+window.createTask = (event, projectId) => createTask(event, projectId);
+
+async function createTask(event, projectId) {
+  event.preventDefault();
+  const form = event.currentTarget;
+  const data = Object.fromEntries(new FormData(form).entries());
+  data.project_id = projectId;
+  try {
+    await api("/api/tasks", { method: "POST", body: JSON.stringify({ data }) });
+    form.reset();
+    form.classList.add("hidden");
+    await load();
+    showTaskModal(projectId);
+  } catch (error) {
+    alert("创建失败：" + error.message);
+  }
+}
 window.createFinance = (event) => createResource(event, "finance");
 window.switchTab = switchTab;
 
@@ -208,14 +225,31 @@ function showTaskModal(projectId) {
   const project = state.data.operations.find((x) => x.id === projectId);
   const tasks = (state.data.tasks || []).filter((t) => t.project_id === projectId);
   const phases = ["项目准备", "项目执行", "项目验收", "验收完毕"];
-  document.querySelector("#taskModal").innerHTML = `<div class="task-overlay" onclick="closeTaskModal()"><div class="task-panel" onclick="event.stopPropagation()"><div class="task-header"><h2 class="task-title">${project.project_name}  ·  任务清单</h2><button class="task-close" onclick="closeTaskModal()"><i data-lucide="x"></i></button></div><div class="task-body">${phases.map((phase) => {
+  document.querySelector("#taskModal").innerHTML = `<div class="task-overlay" onclick="closeTaskModal()"><div class="task-panel" onclick="event.stopPropagation()"><div class="task-header"><h2 class="task-title">${project.project_name}  ·  任务清单</h2><div class="flex items-center gap-3"><button class="btn btn-primary btn-sm" onclick="event.stopPropagation(); document.querySelector('#task-form-${projectId}').classList.toggle('hidden')"><i data-lucide="plus"></i>新增任务</button><button class="task-close" onclick="closeTaskModal()"><i data-lucide="x"></i></button></div></div><div class="task-body">
+    <form id="task-form-${projectId}" class="hidden task-form" onsubmit="createTask(event, ${projectId})">
+      <div class="grid grid-cols-2 gap-3">
+        <label class="task-field"><span>任务名称</span><input name="task" required></label>
+        <label class="task-field"><span>任务阶段</span><select name="phase">${phases.map((p) => `<option>${p}</option>`).join("")}</select></label>
+        <label class="task-field"><span>负责人</span><input name="owner"></label>
+        <label class="task-field"><span>截止时间</span><input name="due_date" type="date"></label>
+        <label class="task-field col-span-2"><span>任务说明</span><textarea name="notes" rows="2"></textarea></label>
+      </div>
+      <div class="flex justify-end gap-2 mt-3">
+        <button type="button" class="btn btn-ghost btn-sm" onclick="document.querySelector('#task-form-${projectId}').classList.add('hidden')">取消</button>
+        <button type="submit" class="btn btn-primary btn-sm">确认新增</button>
+      </div>
+    </form>
+    ${phases.map((phase) => {
     const pt = tasks.filter((t) => t.phase === phase);
-    return `<div class="task-group"><div class="task-group-hd"><span class="task-group-icon"><i data-lucide="layers"></i></span><span class="task-group-label">${phase}</span><span class="task-group-n">${pt.length}</span></div><div class="task-group-list">${pt.length ? pt.map((t) => `<div class="task-row" data-id="${t.id}"><span class="task-dot"><i data-lucide="${t.status === 'done' ? 'check-circle' : 'circle'}"></i></span><span class="task-name">${t.task}</span></div>`).join("") : `<div class="task-none">暂无任务</div>`}</div><button class="task-group-add" onclick="event.stopPropagation()">+ 添加任务</button></div>`;
+    return `<div class="task-group"><div class="task-group-hd"><span class="task-group-icon"><i data-lucide="layers"></i></span><span class="task-group-label">${phase}</span><span class="task-group-n">${pt.length}</span></div><div class="task-group-list">${pt.length ? pt.map((t) => `<div class="task-row" data-id="${t.id}"><span class="task-dot"><i data-lucide="${t.status === 'done' ? 'check-circle' : 'circle'}"></i></span><span class="task-name">${t.task}</span></div>`).join("") : `<div class="task-none">暂无任务</div>`}</div></div>`;
   }).join("")}</div></div></div>`;
   document.querySelector("#taskModal").classList.add("active");
   if (window.lucide) window.lucide.createIcons();
 }
-window.closeTaskModal = () => document.querySelector("#taskModal").classList.remove("active");
+window.closeTaskModal = () => {
+  document.querySelector("#taskModal").classList.remove("active");
+  document.querySelector("#taskModal").innerHTML = "";
+};
 
 function renderProposals() {
   const proposalRows = state.data.proposals.map((p) => [p.customer_or_project_name, p.version, badge(p.status), p.files.length + " 个"]);
diff --git a/static/styles.css b/static/styles.css
index bf4c92b..07e1ee6 100644
--- a/static/styles.css
+++ b/static/styles.css
@@ -535,6 +535,18 @@ td {
 .task-dot { display: flex; color: #4b4d54; }
 .task-name { color: #c5c6ca; font-size: 13px; }
 .task-none { color: #4b4d54; font-size: 13px; padding: 12px 14px; text-align: center; border-top: 1px solid #24272d; }
+.task-form {
+  background: #141518; border: 1px solid #2a2d34; border-radius: 8px;
+  padding: 14px; margin-bottom: 16px;
+}
+.task-field { display: flex; flex-direction: column; gap: 4px; }
+.task-field span { color: #6b6d75; font-size: 12px; }
+.task-field input, .task-field select, .task-field textarea {
+  background: #1e2025; border: 1px solid #2a2d34; border-radius: 6px;
+  color: #e4e5e7; font-size: 13px; padding: 6px 10px; outline: none;
+}
+.task-field input:focus, .task-field select:focus, .task-field textarea:focus { border-color: #4a6cf7; }
+.col-span-2 { grid-column: span 2; }
 .task-group-add {
   display: block; width: 100%; padding: 10px; text-align: center;
   color: #6b6d75; font-size: 13px; background: none; border: none;