fix bug

internal/logic/a/new.go

@@ -40,6 +40,10 @@ func GetTradeDateBy(max int, asc bool) []string {
 	return days
 }
 
+func ReturnLastTradeDay() string {
+	return GetTradeDateBy(1, false)[0]
+}
+
 func ReturnLastDay() (string, string) {
 	now := time.Now()
 	end := now.Format("20060102")