diff --git a/src/main/java/com/cisd/tms/modules/device/service/impl/TimeConfigServiceImpl.java b/src/main/java/com/cisd/tms/modules/device/service/impl/TimeConfigServiceImpl.java
index ad7b3fa..388a0c2 100644
--- a/src/main/java/com/cisd/tms/modules/device/service/impl/TimeConfigServiceImpl.java
+++ b/src/main/java/com/cisd/tms/modules/device/service/impl/TimeConfigServiceImpl.java
@@ -62,7 +62,7 @@ public class TimeConfigServiceImpl implements TimeConfigService {
             }
 
             try {
-                executeCommand("systemctl", "stop",  "chronyd");
+                executeCommand("sudo", "systemctl", "stop",  "chronyd");
             } catch (Exception e){
                 throw new BizException(ErrorCode.BIZ_ERROR.getCode(), "停止chronyd服务失败");
             }
@@ -72,7 +72,7 @@ public class TimeConfigServiceImpl implements TimeConfigService {
                 executeCommand("date", "-s", request.getDatetime());
             } catch (Exception e) {
                 // 失败后重启 chronyd
-                executeCommand("systemctl", "start", "chronyd");
+                executeCommand("sudo", "systemctl", "start", "chronyd");
                 throw new BizException(ErrorCode.BIZ_ERROR.getCode(), "设置时间失败，已回退并重启 chronyd 服务");
             }
 
@@ -126,7 +126,7 @@ public class TimeConfigServiceImpl implements TimeConfigService {
 
                 Files.writeString(confPath, confContent);
 
-                executeCommand("systemctl", "restart", "chronyd");
+                executeCommand("sudo", "systemctl", "restart", "chronyd");
                 executeCommand("chronyc", "-a", "makestep");
 
                 String status = executeCommand("chronyc", "tracking");
@@ -138,7 +138,7 @@ public class TimeConfigServiceImpl implements TimeConfigService {
                 try {
                     if (Files.exists(backupPath)) {
                         Files.copy(backupPath, confPath, StandardCopyOption.REPLACE_EXISTING);
-                        executeCommand("systemctl", "restart", "chronyd");
+                        executeCommand("sudo", "systemctl", "restart", "chronyd");
                     }
                 } catch (Exception rollbackEx) {
                     throw new BizException(ErrorCode.BIZ_ERROR.getCode(), "应用新的Chrony配置失败，且回滚也失败");