diff --git a/apps/terminal/serializers/command.py b/apps/terminal/serializers/command.py
index 0c2e9c949..1c1cb6f11 100644
--- a/apps/terminal/serializers/command.py
+++ b/apps/terminal/serializers/command.py
@@ -70,7 +70,7 @@ class SessionCommandSerializerMixin(serializers.Serializer):
     id = serializers.UUIDField(read_only=True)
     # 限制 64 字符，不能直接迁移成 128 字符，命令表数据量会比较大
     account = serializers.CharField(label=_("Account "))
-    output = serializers.CharField(max_length=2048, allow_blank=True, label=_("Output"))
+    output = serializers.CharField(allow_blank=True, label=_("Output"))
     timestamp = serializers.IntegerField(label=_('Timestamp'))
     timestamp_display = serializers.DateTimeField(read_only=True, label=_('Datetime'))
     remote_addr = serializers.CharField(read_only=True, label=_('Remote Address'))