diff --git a/vnpy/gateway/okexf/okexf_gateway.py b/vnpy/gateway/okexf/okexf_gateway.py
index e1b9d3cd..abcb660b 100644
--- a/vnpy/gateway/okexf/okexf_gateway.py
+++ b/vnpy/gateway/okexf/okexf_gateway.py
@@ -561,7 +561,7 @@ class OkexfRestApi(RestClient):
 
                 for l in data:
                     ts, o, h, l, c, v, _ = l
-                    dt = datetime.strptime(ts, "%Y-%m-%dT%H:%M:%S.%fZ")
+                    dt = utc_to_local(ts)
                     bar = BarData(
                         symbol=req.symbol,
                         exchange=req.exchange,