diff --git a/apps/qc/models.py b/apps/qc/models.py
index 9453af2..bf5b9e9 100644
--- a/apps/qc/models.py
+++ b/apps/qc/models.py
@@ -120,7 +120,7 @@ class QcQrcodesEditLog(models.Model):
 
 class QcWechatbizeventAddcontact(models.Model):
     id = models.BigAutoField(primary_key=True, verbose_name="ID")
-    uid = models.IntegerField(verbose_name="用户id")
+    uid = models.IntegerField(verbose_name="用户id", null=True, blank=True, default=0)
     corpid = models.CharField(max_length=32, verbose_name='企业微信corpid')
     agentid = models.CharField(
         max_length=128, verbose_name='自建应用agentid', null=True, blank=True)