diff --git a/taptap/tap2influxdb.py b/taptap/tap2influxdb.py
index e6cfa10..fc996c2 100644
--- a/taptap/tap2influxdb.py
+++ b/taptap/tap2influxdb.py
@@ -72,6 +72,6 @@ if __name__ == "__main__":
             log.error(f"split args with start time failed ,args={d}", exc_info=True)
             raise Exception(f"split args with start time failed ,args={d}")
     else:
-        d = datetime.datetime.now() - datetime.timedelta(days=1)
+        d = datetime.datetime.strptime((datetime.datetime.now() - datetime.timedelta(days=1)), "%Y-%m-%d")
     tt = TAP2Influx(d)
     tt.run()