change to v4 flash

flowchart/migrations/0002_alter_flowchartsubmission_ai_model.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0 on 2026-04-27 12:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flowchart', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='flowchartsubmission',
+            name='ai_model',
+            field=models.CharField(default='deepseek-v4-flash', max_length=50),
+        ),
+    ]

flowchart/models.py

@@ -37,7 +37,7 @@ class FlowchartSubmission(models.Model):
     
     # 处理信息
     ai_provider = models.CharField(max_length=50, default='deepseek')
-    ai_model = models.CharField(max_length=50, default='deepseek-chat')
+    ai_model = models.CharField(max_length=50, default='deepseek-v4-flash')
     processing_time = models.FloatField(null=True, blank=True)  # AI处理耗时(秒)
     evaluation_time = models.DateTimeField(null=True, blank=True) # 评分完成时间