diff --git a/agent/component/baidufanyi.py b/agent/component/baidufanyi.py
index 84061a30b..c1c526bd8 100644
--- a/agent/component/baidufanyi.py
+++ b/agent/component/baidufanyi.py
@@ -36,7 +36,6 @@ class BaiduFanyiParam(ComponentParamBase):
         self.domain = 'finance'
 
     def check(self):
-        self.check_positive_integer(self.top_n, "Top N")
         self.check_empty(self.appid, "BaiduFanyi APPID")
         self.check_empty(self.secret_key, "BaiduFanyi Secret Key")
         self.check_valid_value(self.trans_type, "Translate type", ['translate', 'fieldtranslate'])