diff --git a/apps/users/migrations/0004_fix_user_wechat_phone.py b/apps/users/migrations/0004_fix_user_wechat_phone.py
new file mode 100644
index 000000000..87160cfb2
--- /dev/null
+++ b/apps/users/migrations/0004_fix_user_wechat_phone.py
@@ -0,0 +1,32 @@
+
+from django.db import migrations
+
+
+def fix_user_wechat_phone(apps, schema_editor):
+    User = apps.get_model("users", "User")
+    users = User.objects.all()
+
+    for user in users:
+        update_fields = []
+
+        if user.wechat and '==' in user.wechat and len(user.wechat) > 40:
+            user.wechat = ''
+            update_fields.append("wechat")
+
+        if user.phone and '==' in user.phone and len(user.phone) > 40:
+            user.phone = ''
+            update_fields.append("phone")
+
+        if update_fields:
+            user.save(update_fields=update_fields)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0003_alter_user_date_expired'),
+    ]
+
+    operations = [
+        migrations.RunPython(fix_user_wechat_phone),
+    ]