From 8cdc23d499fd929d5dce740a843ff19bf2342f45 Mon Sep 17 00:00:00 2001
From: yuetsh <517252939@qq.com>
Date: Tue, 18 Mar 2025 19:29:59 +0800
Subject: [PATCH] fix

---
 .../migrations/0006_alter_submission_id.py    | 19 +++++++++++++++++++
 submission/models.py                          |  7 ++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 submission/migrations/0006_alter_submission_id.py

diff --git a/submission/migrations/0006_alter_submission_id.py b/submission/migrations/0006_alter_submission_id.py
new file mode 100644
index 0000000..1cd2cfe
--- /dev/null
+++ b/submission/migrations/0006_alter_submission_id.py
@@ -0,0 +1,19 @@
+# Generated by Django 5.1.6 on 2025-03-18 11:29
+
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('submission', '0005_alter_submission_options'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='submission',
+            name='id',
+            field=models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True),
+        ),
+    ]
diff --git a/submission/models.py b/submission/models.py
index 211efa5..e6424ad 100644
--- a/submission/models.py
+++ b/submission/models.py
@@ -7,7 +7,12 @@ from task.models import Task
 
 
 class Submission(TimeStampedModel):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    id = models.UUIDField(
+        primary_key=True,
+        default=uuid.uuid4,
+        editable=False,
+        unique=True,
+    )
     user = models.ForeignKey(
         User,
         on_delete=models.CASCADE,