防止每次都生成新的数据

ai/models.py

@@ -47,6 +47,7 @@ class AiShow(models.Model):
     result = models.TextField()
     message = models.TextField()
     created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
     take_times = models.IntegerField(default=0)
     take_tokens = models.CharField(default='', max_length=2000)