diff --git a/src/main_control_service.cpp b/src/main_control_service.cpp
index 5f391f6..1bbd300 100644
--- a/src/main_control_service.cpp
+++ b/src/main_control_service.cpp
@@ -270,7 +270,7 @@ void MainControlService::processFrontEndMessage(weak_ptr<WebSocket> webSocket, j
     int32_t day   = jsonGet<int>(cmd["day"]);
     logger->info("updateDate {} {} {}", year, month, day);
     // date -s "2023-01-02 02:32:32"
-    dosystem(fmt::format("date -s \"{}{}{} `date +%T`\"", year, month, day).c_str());
+    dosystem(fmt::format("date -s \"{}{:02}{:02} `date +%T`\"", year, month, day).c_str());
     dosystem(fmt::format("hwclock -w").c_str());
 
     return;
@@ -291,7 +291,7 @@ void MainControlService::processFrontEndMessage(weak_ptr<WebSocket> webSocket, j
     int32_t second = jsonGet<int>(cmd["second"]);
     logger->info("updateDate {}:{}:{}", hour, min, second);
     // date -s "2023-01-02 02:32:32"
-    dosystem(fmt::format("date -s \"`date +%Y-%m-%d` {}:{}:{}\"", hour, min, second).c_str());
+    dosystem(fmt::format("date -s \"`date +%Y-%m-%d` {:02}:{:02}:{:02}\"", hour, min, second).c_str());
     dosystem(fmt::format("hwclock -w").c_str());
 
     return;