From a133f26fd53607cdfee7cae19bf4a8d361c94f11 Mon Sep 17 00:00:00 2001
From: hmo <staymo7777@gmail.com>
Date: Fri, 24 Apr 2026 00:19:42 +0800
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---
 app/templates/student.html | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/app/templates/student.html b/app/templates/student.html
index ac77ae5..6d8f1f3 100644
--- a/app/templates/student.html
+++ b/app/templates/student.html
@@ -889,6 +889,22 @@ async function loadGoalOptions() {
     document.getElementById('assign-start-date').value = new Date().toISOString().split('T')[0];
 }
 
+// 评估日期联动：选择天数后自动计算日期，或直接选日期
+document.getElementById('assign-assessment-days').addEventListener('change', function() {
+    const days = parseInt(this.value);
+    if (days) {
+        const d = new Date();
+        d.setDate(d.getDate() + days);
+        document.getElementById('assign-assessment-date').value = d.toISOString().split('T')[0];
+    }
+});
+
+document.getElementById('assign-assessment-date').addEventListener('change', function() {
+    if (this.value) {
+        document.getElementById('assign-assessment-days').value = '';
+    }
+});
+
 document.getElementById('confirm-assign-goal').addEventListener('click', async () => {
     const goalId = document.getElementById('assign-goal-select').value;
     const assessmentDays = document.getElementById('assign-assessment-days').value;