diff --git a/src/main/java/com/imyeyu/utils/Text.java b/src/main/java/com/imyeyu/utils/Text.java
index 423ae4f..7ae2eec 100644
--- a/src/main/java/com/imyeyu/utils/Text.java
+++ b/src/main/java/com/imyeyu/utils/Text.java
@@ -19,7 +19,7 @@ public class Text {
 
 	public static String NUMBER_POOL = "0123456789";
 
-	public static String LETTER_NUMBER_POOL = LETTER_POOL + LETTER_POOL;
+	public static String LETTER_NUMBER_POOL = LETTER_POOL + NUMBER_POOL;
 
 	public static String PASSWORD_CHAR_POOL = LETTER_NUMBER_POOL + "!#$%&()*+,-./:;<=>?@[]^_`{|}~";