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 180cb26..5b398d5 100644
--- a/src/main/java/com/isu/gaswellwatch/vo/command/Timing.java
+++ b/src/main/java/com/isu/gaswellwatch/vo/command/Timing.java
@@ -74,8 +74,8 @@ public interface Timing {
         }
         String[] items = StringUtils.split(stringTime, ":");
         int hours = Integer.parseInt(items[0]);
-        int minutes = items.length >= 2 ? 0 : Integer.parseInt(items[1]);
-        int seconds = items.length >= 3 ? 0 : Integer.parseInt(items[2]);
+        int minutes = items.length >= 2 ? Integer.parseInt(items[1]) : 0;
+        int seconds = items.length >= 3 ? Integer.parseInt(items[2]) : 0;
         return StringUtils.leftPad(Integer.toHexString(hours), 4, "0") +
                 StringUtils.leftPad(Integer.toHexString(minutes), 4, "0") +
                 StringUtils.leftPad(Integer.toHexString(seconds), 4, "0");