diff --git a/vnpy/gateway/ctp/ctp_gateway.py b/vnpy/gateway/ctp/ctp_gateway.py
index f1a25811..057e6db8 100644
--- a/vnpy/gateway/ctp/ctp_gateway.py
+++ b/vnpy/gateway/ctp/ctp_gateway.py
@@ -553,7 +553,7 @@ class CtpTdApi(TdApi):
             )
             
             # For option only
-            if data["OptionsType"]:
+            if contract.product == Product.OPTION:
                 contract.option_underlying = data["UnderlyingInstrID"],
                 contract.option_type = OPTIONTYPE_CTP2VT.get(data["OptionsType"], None),
                 contract.option_strike = data["StrikePrice"],