diff --git a/HDFwear/Tools/BleMessage+Function.swift b/HDFwear/Tools/BleMessage+Function.swift
index d38debf..c7c3b1c 100644
--- a/HDFwear/Tools/BleMessage+Function.swift
+++ b/HDFwear/Tools/BleMessage+Function.swift
@@ -20,7 +20,11 @@ extension BleMessage {
     
     func getTimeCmd() -> Data {
         let date = DateInRegion().date
-        let timeBytes: [UInt8] = [UInt8(date.year%100), UInt8(date.month), UInt8(date.day), UInt8(date.hour), UInt8(date.minute), UInt8(date.second)]
+        let calendar = Calendar.current
+        let weekday = calendar.component(.weekday, from: date)
+        // 调整星期表示
+        let adjustedWeekday = (weekday == 1) ? 7 : (weekday - 1)
+        let timeBytes: [UInt8] = [UInt8(date.year%100), UInt8(date.month), UInt8(date.day), UInt8(date.hour), UInt8(date.minute), UInt8(date.second), UInt8(adjustedWeekday)]
         //        return getSendData(cmd: .set, key: .time, bytes: timeBytes)
 //        let a = getPackData(key: .setTime, contentBytes: timeBytes)
 //        let b = createDataPacket(key: .setTime, bytes: timeBytes)