diff --git a/src/main/java/com/isu/gaswellwatch/vo/command/Timing.java b/src/main/java/com/isu/gaswellwatch/vo/command/Timing.java
index 5b398d5..638db0e 100644
--- a/src/main/java/com/isu/gaswellwatch/vo/command/Timing.java
+++ b/src/main/java/com/isu/gaswellwatch/vo/command/Timing.java
@@ -39,7 +39,7 @@ public interface Timing {
         }
         return StringUtils.joinWith(":", StringUtils.leftPad(String.valueOf(hour), 2, "0"),
                 StringUtils.leftPad(String.valueOf(minute), 2, "0"),
-                StringUtils.leftPad(String.valueOf(minute), 2, "0"));
+                StringUtils.leftPad(String.valueOf(second), 2, "0"));
     }
 
     default String timerValidate(String time, String name) {
@@ -91,9 +91,7 @@ public interface Timing {
         String[] values = StringUtils.split(stringTime, ":");
         int hours = 0, minutes = 0, seconds = 0;
         switch (values.length) {
-            case 1 -> {
-                hours = Integer.parseInt(values[0]);
-            }
+            case 1 -> hours = Integer.parseInt(values[0]);
             case 2 -> {
                 hours = Integer.parseInt(values[0]);
                 minutes = Integer.parseInt(values[1]);