diff --git a/static/app.js b/static/app.js
index 174d1c9..9161b4e 100644
--- a/static/app.js
+++ b/static/app.js
@@ -201,9 +201,8 @@ window.openTaskForm = (projectId, taskId) => {
 
 window.submitTaskForm = async (event, projectId) => {
   event.preventDefault();
-  const form = event.currentTarget;
-  const data = Object.fromEntries(new FormData(form).entries());
-  data.project_id = projectId;
+  const data = Object.fromEntries(new FormData(event.currentTarget).entries());
+  data.project_id = Number(projectId);
   const taskId = data.task_id;
   delete data.task_id;
   try {
@@ -212,10 +211,8 @@ window.submitTaskForm = async (event, projectId) => {
     } else {
       await api("/api/tasks", { method: "POST", body: JSON.stringify({ data }) });
     }
-    form.reset();
-    form.classList.add("hidden");
     await load();
-    showTaskModal(projectId);
+    showTaskModal(Number(projectId));
   } catch (error) {
     alert("保存失败：" + error.message);
   }